the university of ILLINOIS library ssn "Y\C> ArA ^ GEOLOGY Return this book on or before the Latest Date stamped below. A charge is made on all overdue books. U. of I. Library • 6 194 JUiv 3 13 40 13 L,b (C MAY 2 jam n i MAY 8 - 1347 FEB 2 3 n 1980 '1 51972 JUN 2 3 1348 DEO- 3- 5-104 8 ^FC 2 $ ;24R APR 16 194S ll l pt. 4), pp. 473-476, 2 pis., 1909. 855. Coon Butte or Meteor crater. — Abstract: Science, new ser., vol. 29, pp. 239- 240, February 5, 1909. 856. The composition of stony meteorites compared with that of terrestrial igneous rocks, and considered with reference to their efficacy in world-making. — Am. Jour. Sci., 4th ser., vol. 27, pp. 469-474, June, 1909. Abstract: Science, new ser., vol. 29, p. 948, June 11, 1909. Merwin, H. E. Alamosite, a new lead silicate from Mexico. — See Palache and Merwin, no. 931. On connellite and chalcophyllite from Bisbee, Arizona. — See Palache and Merwin, no. 932. Mexico, Instituto Geologico. 857. Catalogo de los temblores (macro y microseismos) sentidos en la Republica Mexicana, durante el primer semestre de 1909. — Mexico, Inst. Geol., Parerg., t. 3, no. 3, pp. 173-199, 1909. A list of earthquakes and seismic shocks registered at the seismological station at Tacu- baya, D. F., Mexico, during the first half of 1909. Catalogo de los temblores (macroseismos) sentidos en la Republica Mexicana durante los anos de 1904 a 1908. — See Aguilera, no. 7. Millar, Austin Q. 858. The Arkansas diamond fields. — Min. and Sci. Press, vol. 99, p. 534, October 16, 1909. Miller, Arthur M. 859. Evidence that the Appalachian and central coal fields were once connected across central Kentucky. — Abstract: Science, new ser., vol. 29, p. 624, April 16, 1909. Describes the occurrence of coal measure conglomerate in central Kentucky. Miller, Benjamin L. 860. Erosion intervals in the Tertiary of North Carolina and Virginia and their bearing upon the distribution of the formations.— Abstract: Science, new ser., vol. 29, p. 634, April 16, 1909. Description of the Philadelphia district.— See Bascom and others, no. 74. Description of the Trenton quadrangle, New Jersey-Pennsyl vania. — See Bascom and others, no. 75. MiRer, G. W. 861. The various mining districts of Colorado. — Min. Science, vol. 57, pp. 462- 464, 507-510, 532-534, 549-551, 10 figs.; vol. 58, pp. 128-130, 207-208, 228-229, 246-247, 14 figs., 1909. 862. The De Lamar mines, Lincoln County, Nevada. — Min. Science, vol. 58, pp. 347-348, 3 figs., October 29, 1908. Describes the character and occurrence of the gold deposits and the local geology. BIBLIOGRAPHY OP NORTH AMERICAN GEOLOGY, 1909. 75 Miller, Loye Holmes. 863 . Pavo calif ornicus, a fossil peacock from the Quaternary asphalt beds of Rancho La Brea. — California, Univ., Dept. Geology, Bull.,vol. 5, no. 19, pp. 285- 289, 1 pi., 1909. 864 . Teratornis, a new avian genus from Rancho La Brea. — California, Univ., Dept. Geology, vol. 5, no. 21, pp. 305-317, 11 figs., 1909. Describes Teratornis merriami n. gen. and n. sp.,from the Quaternary asphalt beds of Rancho La Brea in southern California. Miller, Willet G. 865 . The pre-Cambrian rocks of Canada. — Abstract: Canadian Min. Jour., vol. 30, p. 647, November 1, 1909. Miller, Willet G., and Knight, Cyril W. 866. Grenville - Hastings unconformity. — Abstract: Geol. Soc. America, Bull., vol. 19, pp. 539-540, 1909. Miller, William J. 867 . Geology of the Remsen quadrangle, including Trenton Falls and vicinity in Oneida and Herkimer counties. — New York State Mus., Mus. Bull. 126, 51 pp., 11 pis., 4 figs., 1 geol. map (in pocket), 1909. Describes the general geologic features, the occurrence, character, and relations of pre- Cambrian and Ordovician strata, the structural features, and the glacial geology. 868. Ice movement and erosion along the southwestern Adirondacks. — Am. Jour. Sci., 4th ser., vol. 27, pp. 289-298, 2 figs., April, 1909. 869 . Pleistocene geology of the southwestern slope of the Adirondacks. — Abstract: Science, new ser., vol. 29, p. 627, April 16, 1909. Millward, William. 870 . Fossils from the glacial drift and from the Devonian and Mississippian near Meadville, Pennsylvania. — Carnegie Mus., Annals, vol. 5, pp. 480-487, 1909. Gives lists of Paleozoic fossils found in limestone and chert pebbles of the Wisconsin drift and in bedded rocks of Carboniferous age and discusses the correlation of the forma- tions of the latter. Mining and Scientific Press. 871 . Genesis of petroleum. — Min. and Sci. Press., vol. 99, p. 543, October 23, 1909. 872 . Outcrop of ore bodies. — Min. and Sci. Press, vol. 99, p. 781, December 11, 1909. Moffit, Fred H. 873 . Mining in the Kotsina-Chitina, Chistochina, and Valdez Creek regions, Alaska. — U. S. Geol. Survey, Bull. 379, pp. 153-160, 2 figs., 1909. Moffit, Fred H., and Knopf, Adolph. 874 . Mineral resources of the Nabesna- White River district, Alaska. — U. S. Geol. Survey, Bull. 379, pp. 161-180, 1 pi., 1909. Includes an account of the general geology. Moffit, Fred H., and Maddren, A. G. 875 . Mineral resources of the Kotsina-Chitina region, Alaska. — U. S. Geol. Survey, Bull. 374, 103 pp., 9 pis., 9 figs., 1909. Describes the general geology, the occurrence and relations of Triassic and other rocks of undetermined or doubtful age, and the mineral resources, chiefly copper and placer gold. 76 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Moodie, Roy L. 876. Vertebrate paleontology: The Lysorophidae; Stegocephala; The Cotylosauria; The oldest known reptile; The age of the Gaskohle; Bison occidentalis; Nectosaurus; Callibrachion. — Am. Naturalist, vol. 43, pp. 116-124, February, 1909. Gives various notes upon the forms mentioned. 877. The Carboniferous quadrupeds. Those of Kansas, Ohio, Illinois, and Penn- sylvania in their relation to the classification of the so-called Amphibia and Stegocephala. — Kansas Acad. Sci., Trans., vol. 22, pp. 239-247, 3 pis., 1909. Discusses the occurrence, characters, and classification of Carboniferous Amphibia. 878. A contribution to a monograph of the extinct Amphibia of North America. New forms from the Carboniferous. — Jour. Geology, vol. 17, no. 1, pp. 38-82, 24 figs., 1909. 879. The Microsauria, ancestors of the Reptilia. — Geol. Mag., dec. 5, vol. 6, no. 5, pp. 216-220, 1 fig., May, 1909. 880. New or little-known forms of Carboniferous Amphibia in the American Museum of Natural History.— Am. Mus. Nat. Hist., Bull., vol. 26, pp. 347-357, 8 pis., 2 figs., 1909. Moore, Elwood S. 881. Iron range north of Round Lake [Ontario]. — Ontario, Bur. Mines, 18th Ann. Rept., vol. 18, pt. 1, pp. 154-162, 6 figs., 1909. Gives an account of the geology of the region and the occurrence and character of iron deposits. 882. Bog iron on English River [Ontario]. — Ontario, Bur. Mines, 18th Ann. Rept., vol. 18, pt. 1, pp. 180-195, 7 figs., 1909. Gives an account of the geology and physiographic features of the region and of the distribution and character of bog iron deposits. 883. Geology of Onaman iron range area. — Ontario, Bur. Mines, 18th Ann. Rept., vol. 18, pt. 1, pp. 196-253, 35 figs., 1909. Describes the geology of the area, the petrography of the rocks, and the occurrence, character, relations, and origin of the iron deposits. 884. The geology of the Lake Wendigokan region [Ontario]. — Canadian Inst., Trans., vol. 8, pt. 3, pp. 341-361, 5 figs., 1 map, April, 1909. Moore, Phil. H. 885. Leipsigate gold mining district, Nova Scotia. — Min. World, vol. 30, pp. 309-312, 9 figs., February 13, 1909. Includes notes on the local geology and the occurrence and character of the gold ores. Moore, Richard B. Radioactivity of the thermal waters of Yellowstone National Park. — See Schlundt and Moore, no. 1033. Morsack, Cajetan. 886. Feldspar mining in Ontario. — Eng. and Min. Jour., vol. 87, pp. 759-760, 1 fig., April 10, 1909. Includes notes on the character and occurrence of the deposits. Morse, William Clifford, and Foerste, August F. 887. The Waverly formations of east central Kentucky. — Jour. Geology, vol. 17, no. 2, pp. 164-177, 2 figs., 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 77 Munn, Malcolm J. 888. Studies in the application of the anticlinal theory of oil and gas accumula- tion. — Econ. Geology, vol. 4, no. 2, pp. 141-157, 2 figs., 1909. The discussion is based mainly upon structural and stratigraphic features of oil pools in the Sewickley quadrangle, Pennsylvania. 889. The anticlinal and hydraulic theories of oil and gas accumulation. — Econ. Geology, vol. 4, no. 6, pp. 509-529, 3 figs., 1909. Nason, Frank L. 890. Some phenomena of the folding of rock strata. — Econ. Geology, vol. 4, no. 5, pp. 421-437, 4 figs., 1909. Describes folds in the Sierra Madre Oriental Mountains in Nuevo Leon, Mexico, and explains their production and relations to ore-bearing fissures. Nelson, Gaylord. 891. Tripoli deposits at Seneca, Missouri. — Min. World, vol. 31, p. 552, September 11, 1909. Newland, David H. 892. The Clinton ores of New York State. — Am. Inst. Min. Eng., Bull., no. 27, pp. 265-283, 5 figs., March, 1909. Describes the distribution of the Clinton formation, the general structure of the beds, the occurrence of the iron ores, and their origin. 893. A peculiar landslip in the Hudson River clays. — New York State Mus., Bull. 133, pp. 156-158, 2 pis., 1 fig., 1909. 894. The mining and quarry industry of New York State: Report of operations and production during 1908. — New York State Mus., Mus. Bull. 152, 99 pp., 1909. Newsom, J. F. Description of the Santa Cruz quadrangle, California. — See Branner and others, no. 138. Nicholas, Francis C. 895. A method for demonstrating ore formations. — Min. World, vol. 30, pp. 349-350, 4 figs., February 20, 1909. Nickles, John M. 896. Bibliography of North American Geology for 1906 and 1907, with subject index. — U. S. Geol. Survey, Bull. 372, 317 pp., 1909. 897. Bibliography of North American Geology for 1908, with subject index. — U. S. Geol. Survey, Bull. 409, 148 pp., 1909. Classified list of papers dealing with coal, coke, lignite, and peat contained in publications of the U. S. Geological Survey, except those on Alaska. — See Lee and Nickles, no. 749. Nicol, John M. 898. Placers of Waldo, South Oregon. — Min. and Sci. Press, vol. 99, pp. 122-124, 2 figs., July 24, 1909. Includes notes on the local geology and the occurrence of placer gold. Nicolas, Frank J. 899. General index of the reports of the Bureau of Mines of Ontario, Volumes I to XVI (1891-1907). Toronto, 1909. 466 pp. Nordenskjold, Otto. 900. On the geology and physical geography of east Greenland. — Meddelelser om Gronland, H. 28, pp. 151-284, 6 pis., 33 figs., 1909. Describes the occurrence, character, and relations of Archean and post-Archean erup- tive rocks and of Paleozoic, Triassic, Jurassic, and Tertiary deposits. 78 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Northwest Mining Journal. 901. Mineral resources of Washington. — Northwest Min. Jour., vol. 7, no. 5, pp. 54-123, illus., June, 1909. Nylander, Olof O. 902. Fossil and living shells found in Little Mud Lake, Westmanland, Aroostook County, Maine. — Nautilus, vol. 22, pp. 105-106, February, 1909. Nystrom, Erik, and Anrep, S. A. 903. Investigation of the peat bogs and peat industry of Canada during the season 1908-9. — Canada, Dept. Mines, Mines Branch, Bull. no. 1, 25 pp., 5 pis., 1909. Obalski, J. 904. Mining operations in the Province of Quebec for the year 1908. — Quebec, Dept, of Colonization, Mines and Fisheries, 85 pp., 19 pis., 1909. Includes notes on the occurrence of various mineral deposits. Odendall, Leonhard. 905. Die Kupfererzlagerstatten in Nordamerika. Inaugural-dissertation, Rhein- ischen Friedrich-Wilhelms-Universitat zu Bonn. Koln, 1909. 63 pp. Describes the occurrence and characters of the principal copper deposits of the United States, Mexico, and Canada, and discusses the various types of deposits. O ’Harr a, Cleophas G. Description of the Belle Fourche quadrangle, South Dakota. — See Darton and O’Harra, no. 312. Ohio Geological Survey. 906. A geological map of Ohio. J. A. Bownocker, state geologist. Based on pre- ceding maps by Newberry and Orton. Richmond-Lorraine boundary by Foerste and Morse; glacial boundary and shore of glacial Lake Erie (Lake Maumee) after Leverett. Scale, 8 miles to 1 inch, 1909. Olcott, Theodore F. 907. A new species of Teleoceras from the Miocene of Nebraska. — Am. Jour. Sci., 4th ser., vol. 28, pp. 403-404, October, 1909. Oldham, Richard Dixon. 908. The geological interpretation of the earth movements associated with the Californian earthquake of April 18th, 1906. — Geol. Soc., London, Quart. Jour., vol. 65, pt. 1, pp. 1-16, 5 figs., February, 1909. Ontario, Bureau of Mines. 909. Visit [of the British Association for the Advancement of Science, "Winnipeg Meeting, 1909] to Cobalt and Sudbury, August 17th to August 20th. Toronto, 1909. 31 pp., illus. Describes the Cobalt and Sudbury (Ontario) mineral areas, giving data upon the geol- ogy, and the occurrence, relations, and genesis of the ores. General index of the reports of the Bureau of Mines of Ontario, Volumes I to XVI (1891-1907).— See Nicolas, F. J., no. 899. Ordonez, Ezequiel. 910. Physical and geological features of Mexico mining. — Min. World, vol. 31, p. 15, July 3, 1909. Gives a general account of the physiography and geology of Mexico and the general mode oi occurrence of ore deposits. 911. Le Metlacueyatl, Mexique. — Ann. Geog., Paris, ann. 18, pp. 356-361, July 15, 1909. Describes the physiographic features and the kinds and disposition of volcanic rocks forming its surface. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 79 Orton, Edward, jr. 912. The Mills moraine, with some general remarks on the glaciation of the Longs Peak region of Colorado.— Abstract: Science, new ser., vol. 29, pp. 751-752, May 7, 1909. Osborn, Henry Fairfield. 913. Cenozoic mammal horizons of western North America, with faunal lists of the Tertiary Mammalia of the West. — U. S. Geol. Survey, Bull. 361, 138 pp., 3 pis., 15 figs., 1909. Describes the general geology and climatic history of the Tertiary and Pleistocene ol western North America and the character, origin, distribution, and relations of the various mammalian faunas and discusses their homotaxial relations and correlation. 914. The epidermis of an iguanodont dinosaur. — Science, new ser., vol. 29, May 14,' 1909. Describes a specimen of Jrachodon annectens from Converse County, Wyo., preserving part of the epidermal covering. 915. On a skeleton of Trachodon. — Abstract: Science, new ser., vol. 29, pp. 197-198, January 29, 1908. 916. Upon a skull of Bison latifrons. — Abstract : Science, new ser., vol. 29, p. 198, January 29, 1909. 917. The' upper Cretaceous iguanodont dinosaurs. — Nature, vol. 81, pp. 160-162, 2 figs., August 5, 1909. Discusses the habits and restorations. Osborn, Henry Fairfield, and Matthew, W. D. 918. Geological correlation through vertebrate paleontology by international coop- eration. Correlation Bulletin, no. 1. Plan and scope. — New York Acad. Sci., Annals, vol. 19, pt. 1, pp. 41-44, 1909. Explains the organization of the committee, the method of procedure, and the progress of correlation work. Osgood, Samuel W. 919. The east Tennessee zinc-mining district. — Eng. and Min. Jour., vol. 87, pp. 401-404, 5 figs., February 20, 1909. Includes notes on the occurrence of the zinc ores. O’Sullivan, Owen. 920. Survey of the south coast of Hudson Bay from the Severn River to Cape Hen- rietta Maria. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 93-94, 1909. Includes notes on geologic features of the country traversed. Outerbridge, Alexander E., jr. 921. The copper mines of Jamaica, British West Indies. — Eng. Mag., vol. 37, pp. 793-805, 11 figs., August, 1909. 922. The mineral wealth of the islands of Newfoundland and Jamaica.— Franklin Inst., Jour, vol. 168, pp. 457-469, 9 figs., December, 1909. Overspeck, L. S. The iron deposits of the Black Hills, South Dakota.— See Cooledge and Overspeck, no. 284. Pack, R. W. 923. Notes on echinoids from the Tertiary of California. — California, Univ., Dept. Geology, Bull., vol. 5, no. 18, pp. 275-283, 2 pis., July, 1909. Describes Spatangus ? pachecoensis n. sp., ScuteUa fairbanksi, Scutella? norrisi n. sp., Scutaster n. gen., Scutaster andersoni n. sp., Astrodapsis fernandoensis n. sp., Astrodapsis antiselli n. var. arnoldi, Echinarachinus excentricus, and Echinarachinus gibbsii. 80 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Packard, George A. 924. Jefferson Canyon, Nevada. — Min. and Sci. Press, vol. 99, p. 26, July 3, 1909. Includes notes on the local geology. 925. Copper mines and smelteries of Shasta County, California. — Eng. and Min. Jour., vol. 88, pp. 393-399, 9 figs., August 28, 1909. Includes notes on the geology, occurrence, character, and genesis of the copper ores of Shasta County, Cal. Paige, Sidney. 926. The Hanover iron-ore deposits, New Mexico. — U. S. Geol. Survey, Bull. 380, pp. 199-214, 2 figs., 1909. Describes the geography and topography of the Hanover iron-ore district, the general geology, the occurrence, character, and relations of sedimentary and igneous rocks, the metamorphism produced by intrusions, and the distribution, character, and genesis of iron ores. 927. Marble prospects in the Chiricahua Mountains, Arizona. — U. S. Geol. Survey, Bull. 380, pp. 299-311, 2 figs., 1909. Describes the general geology, the stratigraphy, and the geologic structure, metamor- phism in the region, and the occurrence and character of marble. 928. The “rock wall ” of Rockwall, Texas. — Science, new ser., vol. 30, pp, 690-691, November 12, 1909. Describes sandstone dikes at this locality and discusses their origin. Palache, Charles. 929. Note on a crystal form of benitoite. — Am. Jour. Sci., 4th ser., vol. 27, p. 398, 1 fig., May, 1909. Palache, C., and La Forge, L. 930. Notes on the crystallography of leadhillite. — Am. Acad. Arts and Sci., Proc., vol. 44, no. 17, pp. 435-463, 3 pis., April, 1909. Palache, C., and Merwin, H. E. 931. Alamosite, a new lead silicate from Mexico. — Am. Jour. Sci., 4th ser., vol. 27, pp. 399-401, 1 fig., May, 1909. Zeitschr. Krystal, und Mineral., Bd. 46, Heft 6, pp. 513-515, 1909. Describes the occurrence, crystallographic characters, and chemical composition. 932. On connellite and chalcophyllite from Bisbee, Arizona. — Am. Jour. Sci., 4th ser., vol. 28, pp. 537-540, December, 1909. Palache, Charles, and Wood, H. O. 933. Crystallographic notes on minerals from Chester, Mass. — Am. Acad. Arts and Sci., Proc., vol. 44, no. 22, pp. 641-652, 1 pi., May, 1909. Palmer, Chase. 934. Arizonite, ferric metatitanate. — Am. Jour. Sci., 4th ser., vol. 28, pp. 353-356, 1 fig., October, 1909. Describes the characters, crystallography, and composition of the mineral obtained from a pegmatite dike near Hackberry, Ariz. Palmer, George Thomas. 935. The medicinal springs of Illinois.— Illinois State Geol. Survey, Bull. no. 10, pp. 62-75, 1909. Palmer, William. 936. Description of a new species of leatherback turtle from the Miocene of Mary- land.— U. S. Nat. Mus., vol. 36, pp. 369-373, 1 pi., 1909. Describes Psephophorus calvertensis n. sp. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 81 Pardee, J. T. 937. Faulting and vein structure in the Cracker Creek gold district, Baker County, Oregon. — U. S. Geol. Survey, Bull. 380, pp. 85-93, 3 figs., 1909. Describes the general features, the stratigraphy, the geologic structure, and the vein system, particularly its faulting. Paredes, Trinidad. 938. Apuntes sobre un criadero de cobre en Cerro Seco, E. de Guerrero. — Soc. Geol. Mexicana, Bob, t. 5, pp. 103-106, 1 pi., 1909. Describes the geology, occurrence, and relations of a copper deposit at Cerro Seco, in the State of Guerrero, Mexico. 939. Estudio hidrologico de la region de Rioverde y Arroyo Seco en los Estados de San Luis Potosi y Queretaro. — Mexico, Inst. Geol., Parerg., t. 2, no. 8, pp. 291-337, 2 pis., 1909. Describes the hydrology of the region stated. Includes an account of the geology. 940. Estudio hidrologico del Valle de Ixmiquilpan, Estado de Hidalgo. — Inst. Geol. Mexico, Parerg., t. 3, no. 3, pp. 141-172, 8 pis., 1909. Describes the physiographic features, general geology, the Cretaceous and Tertiary formations, the geologic history, and the hydrology of the Valley of Ixmiquilpan, State of Hidalgo, Mexico. Parker, Edward W. Coal fields of the United States. — See Campbell and Parker, no. 191. Parks, William Arthur. 941. Notes on the ophiurian genus, Protaster, with description of a new species. — Canadian Inst., Trans., vol. 8, pt. 3, pp. 363-372, 1 pi., April, 1909. Discusses the characters of the genus, and the generic position of various species referred to it and describes Protaster whiteavesiavus n. sp., from the Trenton of Ontario. 942. Note on the ornamentation of Periglyptocrinus priscus. — Ottawa Naturalist, vol. 23, no. 9, pp. 153-155, 1 pi., December, 1909. Patton, Horace B. 943. The Montezuma mining district of Summit County, Colorado. — Colorado Geol. Survey, 1st Report, 1908, pp. 105-144, 4 pis., 1 fig., 1909. Describes the general geology and the rocks of the area, the vein systems, and the occur- rence and relations of gold, silver, lead, zinc, and iron ores. Peale, A. C. 944. On the application of the term Laramie. — Am. Jour. Sci., 4th ser., vol. 28, pp. 45-58, July, 1909. Peet, C. A. 945. Green River oil fields in Wayne County, Utah. — Salt Lake Min. Rev., vol. 11, no. 18, pp. 19-21, 6 figs., December 30, 1909. Penck, Albrecht F. K. 946. North America and Europe; a geographical comparison. — Science, new ser., vol. 29, pp. 321-329, February 26, 1909. Jour. Geog., vol. 8, no. 4, pp. 73-83, December, 1909. Scottish Geog. Mag., vol. 25, no. 7, pp. 337- 346, July, 1909. 947. The antiquity of man. — Abstract: Science, new ser., vol. 29, pp. 359-360, February 26, 1909. 56693°— Bull. 444. — 10— — 6 82 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Pepperberg, Leon J. 948. Cement material near Havre, Montana. — U. S. Geol. Survey, Bull. 380, pp. 327-336, 1 fig., 1909. Describes the geology of the district and the occurrence and composition of limestone and shale. 949. The Milk River coal field, Montana. — U. S. Geol. Survey, Bull. 381-A (advance chapter), pp. 78-103, 1 pi. (map), 1 fig., 1909. Describes the topography and geography, the stratigraphy and structure of the field, the character and distribution of the coal beds, and the properties and composition of the coal. Peragallo, Oreste. 950. San Ygnacio mill and mine, Chihuahua, Mexico. — Eng. and Min. Jour., vol. 88, pp. 1263-1265, 3 figs., December 25, 1909. Includes notes on the local geology and the occurrence, character, and origin of the silver-lead-zinc ores. Perrine, I. Oil and gas in northwestern Louisiana, with special reference to the Caddo field. — See Harris, Perrine, and Hopper, no. 514. Peterson, O. A. 951. A revision of the Entelodontidse. — Carnegie Mus., Mem., vol. 4, no. 3, pp. 41-156, 9 pis., 65 figs., 1909. Includes an account of the Agate Spring fossil quarries in western Nebraska. 952. A new genus of carnivores from the Miocene of western Nebraska. — Science, new ser., vol. 29, pp. 620-621, April 16, 1909. Proposes the name Daphsenodon for the material described as A mphicyon superbus. Phalen, William Clifton. Mineral resources of the United States, 1908: Bauxite and aluminum; abra- sive materials; salt and bromine; sulphur and pyrite. — See no. 1170. Phillips, William B. 953. The South Lorraine silver district, Ontario. — Eng. and Min. Jour., vol. 87, pp. 214-215, January 23, 1909. Includes a brief account of the geology of the district and the occurrence of the silver ore. 954. Condition of the quicksilver industry in Texas. — Eng. and Min. Jour., vol. 88, pp. 1022-1024, November 20, 1909. Includes notes on the occurrence of the ore. 955. Iron ores of Llano County, Texas. — Manufacturers’ Record, vol. 56, no. 1, p. 49, July 15, 1909. Platt, James M. 956. The turquoise mining district, Arizona. — Eng. and Min. Jour., vol. 87, p. 213, January 23, 1909. 957. The Zacualpan district, Mexico. — Eng. and Min. Jour., vol. 88, pp. 670-671, October 2, 1909. Includes notes on the occurrence and character of the silver ores of the Zacualpan district, State of Mexico, Mexico. Pogue, Joseph E. 958. Crystallographic notes on calcite. — Smithsonian Misc. Coll., vol. 52 (Quart. Issue, vol. 5, pt. 4), pp. 465-468, 2 pis., 1909. 959. On a remarkable cube of pyrite, carrying crystallized gold and galena of unusual habit. — Smithsonian Misc. Coll., vol. 52 (Quart. Issue, vol. 5, pt. 4), pp. 477-^183, 1 pi., 5 figs., 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 83 Pogue, Joseph E. — Continued. 960 . Geology and structure of the ancient volcanic rocks of Davidson County, North Carolina. — Am. Jour. Sci., 4th ser., vol. 28, pp. 218-238, 3 fi'gs., September, 1909. Describes the general geology of the region, the lithology, structural features, and geo- logic history. _ * Pogue, J. L. Calcite crystals from Kellys Island, Lake Erie. — See Ford and Pogue, no. 417. Crystals of datolite from Bergen Hill, New Jersey. — See Ford and Pogue, no. 418. Poole, Henry S. 961 . Pre-Cambrian volcanic bombs from near Lake Ainslie, Inverness Co., N. S. — Nova Scotian Inst. Sci., Proc. and Trans., vol. 11, pt. 3, pp. 339-346, 1908. 962 . A section of Carboniferous rocks in Cumberland County, Nova Scotia: (1) Detailed section of rocks from West Ragged Reef to the Joggins mines and Minudie, by Sir William E. Logan (republished); and (2) From Schulie to Spicer Cove, by Hugh Fletcher. — Nova Scotian Inst. Sci., Proc. and Trans., vol. 11, pt. 3, pp. 417-550, 3 pis. (maps and sections), 1908. Pratt, Joseph Hyde. 963 . Biennial report of the state geologist, 1905-1906. — North Carolina Geol. Sur- vey, 60 pp., 1907. 964 . The mining industry in North Carolina during 1907, with special report on the mineral waters. — North Carolina Geol. and Econ. Survey, Econ. Paper no. 15, 176 pp., 13 pis., 4 figs., 1908. 965 . Biennial report of the state geologist, 1907-1908. — North Carolina Geol. Sur- vey, 60 pp., 1908 [1909?]. 966 . New occurrence of monazite in North Carolina. — Elisha Mitchell Sci. Soc., Jour., vol. 25, no. 2, pp. 74-77, June, 1909. 967 . The mineral production in North Carolina during 1908. — Elisha Mitchell Sci. Soc., Jour., vol. 25, no. 4, pp. 164-167, December, 1909. Pratt, Joseph Hyde, and Sterrett, Douglas B. 968 . Monazite and monazite mining in the Carolinas. — Am. Inst. Min. Eng., Bull., no. 30, pp. 483-511, 8 figs., June, 1909. Prindle, Louis M. 969 . The Fortymile quadrangle, Yukon-Tanana region, Alaska. — U. S. Geol. Survey, Bull. 375, 52 pp., 5 pis., 2 figs., 1909. Describes the general physical and geologic features, the occurrence, character, and relations of pre-Ordovician, Devonian, Carboniferous, Tertiary, and Quaternary forma- tions, and the gold deposits. Prindle, L. M., and Katz, F. J. 970 . The Fairbanks gold placer region, Alaska. — U. S. Geol. Survey, Bull. 379, pp. 181-200, 1 pi. (map), 1909. Prosser, Charles S. Nomenclature and subdivision of the upper Siluric strata of Michigan, Ohio, and western New York. — See Lane and others, no. 733. Prouty, William F. 971 . The Coosa coal field of Alabama. — Eng. and Min. Jour., vol. 88, pp. 921-923, 3 figs., November 6, 1909. 84 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Purdue, A. H. 972. The slate3 of Arkansas. — Arkansas, Geol. Survey, pp. 1-95, 7 pis., 1909. 973. Structure and stratigraphy of the Ouachita Ordovician area, Arkansas. — Abstract: Geol. Soc. America, Bull., vol. 19, pp. 556-557, 1909. Quackenbush., L. S. 974. Notes on Alaskan mammoth expeditions of 1907 and 1908. — Am. Mus. Nat. Hist., Bull., vol. 26, pp. 87-130, 9 pis., 10 figs., 1909. Includes notes on the occurrence of various mammals. Ramsay, J. D. 975. The Maple Mountain mining district [Montreal River mining division] of Ontario. — Canadian Min. Jour., vol. 30, pp. 526-527, 3 figs., September i, 1909. Includes notes on the geology of the district and the occurrence of the silver ores. Rankin, G. S. The binary systems of alumina with silica, lime, and magnesia. — See Shep- herd and Rankin, no. 1056. Ransome, Frederick Leslie. 976. The geology and ore deposits of Goldfield, Nevada. — U. S. Geol. Survey, Prof. Paper 66, 258 pp., 35 pis., 34 figs., 1909. Describes the occurrence and relations of pre-Tertiary sedimentary rocks and Tertiary igneous rocks and sedimentary deposits, the geologic structure and history, the mineralogy, and the distribution, geologic relations, and genesis of the ore bodies, and gives a detailed account of the mines. 977. The Hornsilver district, Nevada. — U. S. Geol. Survey, Bull. 380, pp. 41-43, 1909. Gives notes upon the local geology and the gold and silver ores. 978. Round Mountain, Nevada. — U. S. Geol. Survey, Bull. 380, pp. 44-47, 1 fig., 1909. Describes briefly the general geology, the occurrence and character of the ores, yielding principally gold, and the mining developments. 979. The Yerington copper district, Nevada. — U. S. Geol. Survey, Bull. 380, pp. 99-119, 2 figs., 1909. Describes the general geology, the occurrence, character, and relations of pre-Tertiary and Tertiary rocks, the mines and prospects, and the character of the copper deposits. 980. Notes on some mining districts in Humboldt County, Nevada. — U. S. Geol. Survey, Bull. 414, 75 pp., 1 pi. (map), 7 figs., 1909. Describes the mining developments of the Humboldt region, the general geology and petrology of the mining districts, the occurrence, relations, and character of the ore deposits, mainly gold, silver, copper, antimony, nickel, and cobalt, and the mineralogy of the ore deposits. 981. Characteristics of some ore deposits of southern Humboldt County, Ne- vada. — Abstract: Science, new ser., vol. 30, pp. 972-973, December 31, 1909. [Petrography of the Newark group in the Trenton quadrangle.] — See Bascom and others, no. 74. Raymond, Percy E. 982. The fauna of the upper Devonian in Montana. Part I. The fossils of the red shales. — Carnegie Mus., Annals, vol. 5, pp. 141-158, 6 pis., 5 figs., 1909. 983. Some sections of the Conemaugh series between Pittsburgh and Latrobe, Pennsylvania. — Carnegie Mus., Annals, vol. 5, pp. 166-177, 3 pis., 1909. 984. Notice of two new horizons for marine fossils in western Pennsylvania. — Science, new ser., vol. 29, pp. 940-941, June 11, 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 85 Raymond, Rossiter W. 985. Biographical notice of James Duncan Hague.— Am. Inst. Min. Eng., Bull., no. 26, pp. 109-117, 1 pi. (port.), February, 1909. Dip and pitch. — Am. Inst. Min. Eng., Trans., vol. 39, pp. 326-327, 898-916, 2 figs., 1909. See no. 856 of the bibliography for 1908, U. S. Geol. Sur- vey, Bull. 409, p. 69. Raymond, R. W., and Ingalls, W. R. 986. The mineral wealth of the Cordilleras. — Eng. and Min. Jour., vol. 88, pp. 678-680, October 2, 1909. 987. The mineral wealth of America. — Am. Inst. Min. .Eng., Bull., no. 27, pp. 249-264, 1909. Raymond, R. W., and others. 988. Dip and pitch. — Am. Inst. Min. Eng., Bull., no. 26, pp. 197-209, February, 1909. Discusses the application of these terms to the position of ore bodies. Reagan, Albert B. 989. Some notes on the Olympic Peninsula, Washington. — Kansas Acad. Sci., Trans., vol. 22, pp. 131-238, 6 pis., 4 figs., 1 map, 1909. 990. A probable origin of the numerous depressions in the mesa south of the arroyo formed by the outlet of Tijeras Canyon in the Sandias near Albu- querque, New Mexico. — Indiana Acad. Sci., Proc., 1908, p. 165, 1909. Reed, W. J. The Madill oil pool, Oklahoma. — See Taff and Reed, no. 1132. Reid, Harry Fielding. 991. Mr. Manson’s theory of geological climates. — Science, new ser., vol. 29, pp. 27-29, January 1, 1909. 992. Geometry of faults. — Geol. Soc. America, Bull., vol. 20, pp. 171-196, 12 figs., May, 1909. Discusses the nomenclature and classification of faults, the nature of the observations necessary to determine completely the movement at a fault, and how this movement can be worked out from the observations. 993. Seismological notes. — Am. Philos. Soc., Proc., vol. 48, pp. 303-312, 4 figs., 1909. Abstract: Science, new ser., vol. 29, p. 833, May 21, 1909. Discusses conditions preceding and leading to tectonic earthquakes, and some charac- teristics of seismologic instruments; and suggests establishing a National Seismological Bureau. 994. The variations of glaciers, XIY. — Jour. Geology, vol. 17, no. 7, pp. 667-671, 1909. Reynoso, Jose J. 995. El mineral de Naica, Estado de Chihuahua. — Soc. Geol. Mexicana, Bol., t. 5, pp. 8-9, 1909. Gives notes upon the geology and the lead and iron deposits of Naica, State of Chihuahua, Mexico. Richards, Ralph W. 996. The Dragoon, Arizona, tungsten deposits. — Min. Science, vol. 57, pp. 93-94, January 23, 1908. 997. The central part of the Bull Mountain coal field, Montana. — U. S. Geol. Survey, Bull. 381-A (advance chapter), pp. 56-77, 2 pis. (map), 1909. Describes the general features of the field, the stratigraphy and the structure, the char- acter and distribution of the coal beds, and the qualities and composition of the coal. 86 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Richardson, George Burr. 998. Description of the El Paso quadrangle, Texas. — U. S. Geol. Survey, Geol. Atlas U. S., El Paso folio (no. 166), library edition, 11 pp., 3 pis. (maps and illustrations sheet), 8 figs.; field edition, 86 pp., 2 folded maps, 7 pis., 8 figs., 1909. Describes the geography, the occurrence, character, and relations of pre-Cambrian, Cambrian, Ordovician, Silurian, Carboniferous, Cretaceous, and Quaternary formations, and of igneous rocks, the geologic structure, the geologic history, and the mineral resources. 999. The Harmony, Colob, and Kanab coal fields, southern Utah. — TJ. S. Geol. Survey, Bull. 341, pp. 379-400, 1 pi. (map), 1909. Describes the location and topography, the stratigraphy and structure of the field, the occurrence and character of the coal beds, and the quality and composition of the coals. 1000. Reconnaissance of the Book Cliffs coal field between Grand River, Colorado, and Sunnyside, Utah. — U. S. Geol. Survey, Bull. 371, 54 pp., 10 pis., 1 fig., 1909. Describes the topography, stratigraphy, including Cretaceous and Tertiary formations, and structure of the field, and the occurrence, character, and development of the coal beds and quality of the coal. Rickard, Forbes. 1001. Gold ore near Newcastle, Colorado. — Min. and Sci. Press, vol. 99, p. 503, 1 fig., October 9, 1909. Includes notes- on the local geology. Rickard, T. A. 1002. Alaska and the Yukon. — Min. and Sci. Press, vol. 98, pp. 15-22, 7 figs., January 2, 1909. Describes gold mining and the occurrence of placer gold in Alaska. Ries, Heinrich. 1003. The geological investigation of clays. — Min. World, vol. 30, p. 1118, June 12, 1909. Riggs, Elmer S. 1004. Loup Fork beds of eastern Wyoming. — Abstract: Science, new ser., vol. 29, p. 196, January 29, 1909. Ritter, Etienne A. 1005. Ore formation in the Wonder district, Nevada. — Eng. and Min. Jour., vol. 87, pp. 289-292, 13 figs., February 6, 1909. Describes the geology of the district, the veins, and the character and structure of the silver ores. Roberts, Milnor. 1006. A wonderland of glaciers and snows. — Nat. Geog. Mag., vol. 20, pp. 530- 538, 9 figs., June, 1909. Describes features of Mount Rainier National Park, Washington. Robertson, William Fleet. 1007. Report of [British Columbia] Bureau of Mines. — British Columbia, Ann. Rept. Minister of Mines, for 1908, Victoria, B. C., 1909. 269 pp., pis., and maps. Includes notes on the geology and occurrence of various ores in British Columbia. Robles, R. Geologic study of the Sierra of Guanajuto. — See Villarello, Flores, and Robles, no. 1192. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 87 Roddy, H. Justin. 1008 . The lower Cambrian of Lancaster County, Pa. — Abstract: Science, new ser., vol. 30, p. 415, September 24, 1909. Notes the discovery of lower Cambrian fossils. Roe, A. D. 1009 . A mineral resembling meerschaum from the serpentine range of Hampden County, Mass., with descriptions of interesting included crystals. — Minnesota Acad. Sci., Bull., vol. 4, no. 2, pp. 268-276, 1 pi., 1906. Rogers, Austin F. 1010 . Pyrite crystals from Bingham, Utah. — Am. Jour. Sci., 4th ser., vol. 27, pp. 467-468, 1 fig., June, 1909. Coal measures faunal studies: faunal divisions of the Kansas coal meas- ures. — See Beede and Rogers, no. 95. Rogers, A. P. 1011 . The new oil field in Utah. — Eng. and Min. Jour., vol. 87, p. 989, 1 fig., May 15, 1909. Rogers, R. V. 1012 . The geological survey of northeastern Chihuahua, Mexico. — Mexican Min. Jour., vol. 9, no. 5, p. 24, November, 1909. Rohwer, S. A. 1013 . The fossil Ceropalidse of Florissant, Colorado. — Psyche, vol. 16, no. 2, pp. 23-28, April, 1909. 1014 . Three new fossil insects from Florissant, Colorado. — Am. Jour. Sci., 4th ser., vol. 28, pp. 533-536, December, 1909. Root, W. A. 1015 . The Lida mining district of Nevada. — Min. World, vol. 31, pp. 123-125, 12 figs., July 10, 1909. Includes notes on the occurrence and character of the ore deposits. Rowe, Jesse Perry. 1016 . The Coeur d’Alene mining district. — Min. World, vol. 30, pp. 11-14, 89-92, 117-120, 318-320, 357-358, 428-430, 18 figs., 1909. 1017 . Development of Montana’s sapphire mines. — Min. World, vol. 31, pp. 921- 923, 8 figs., November 6, 1909. 1018 . The Roundup coal mines of Montana. — Min. World, vol. 31, pp. 1057-1061, 10 figs., November 27, 1909. Includes notes on the occurrence and character of the coals. Ruedemann, Rudolf. 1019 . Types of inliers observed in New York. — New York State Mus., Bull., 133 pp. 164-193, 32 figs., 1909. Discusses the definition of inlier, and describes various types and their mode of forma- tion with especial reference to occurrences in New York. 1020 . Some marine algae from the Trenton limestone of New York. — New York State Mus., Bull. 133, pp. 194-216, 3 pis., 5 figs., 1909. 1021 . Note on Dictyonema ivebsteri {— D . retiforvie). — Nova Scotia Inst. Sci., Proc. and Trans., vol. 11, pt. 4, p. xlvii, 1908. Ruhl, Otto. 1022 . History of southeast Missouri lead district. — Min. World, vol. 30, pp. 721- 724, 5 figs., April 17, 1909. Includes notes on the geology and the occurrence of the lead ores. 88 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Rush, W. W. 1023. Bear River district [British Columbia]. — Min. and Sci. Press, vol. 99, p. 152, 1 fig., July 31, 1909. Includes notes on the local geology and occurrence of the ores. Salisbury, Rollin D. 1024. Physical geography of the Pleistocene with special reference to Pleistocene conditions.— Jour. Geology, vol. 17, no. 7, pp. 589-599, 1909. Description of the Philadelphia district. — See Bascom and others, no. 74. Description of the Trenton quadrangle, New Jersey-Pennsyl vania. — See Bascom and others, no. 75. Sanford, Samuel. 1025. The topography and geology of southern Florida. — Florida State Geol. Survey, 2d Ann. Rept., pp. 175-231, 2 pis., 1 fig., 1909. Mineral resources of the United States, 1908: Mineral waters. — See no. 1170. Sargent, R. H. 1026. The monarchs of Alaska. — Nat. Geog. Mag., vol. 20, pp. 611-623, 9 figs., July, 1909. Describes physiographic features of Alaska. Savage, T. E. 1027. The Ordovician and Silurian formations in Alexander County, Illinois. — Am. Jour. Sci., 4th ser., vol. 28, pp. 509-519, December, 1909. Sayles, Robert W. 1028. Glacial clays of the Maine coast. — Science, new ser., vol. 30, p. 968, Decem- ber 31, 1909. Notes the discovery of ophiuroids in the “upper clay” near Rockland, Me. Schaller, Waldemar T. 1029. Some calcite crystals with new forms. — Washington Acad. Sci., Proc., vol. 11, no. 1, pp. 1-16, 8 figs., 1909. The mercury minerals from Terlingua, Texas. — See Hillebrand and Schaller> no. 565. Scharff, R. F. 1030. On the evidences of a former land-bridge between northern Europe and North America. — Roy. Irish Acad., Proc., vol. 28, sect. B, no. 1, pp. 1-28, 4 figs., 1909. 1031. On an early Tertiary land connection between North and South America. — Am. Naturalist, vol. 43, pp. 513-531, September, 1909. Scheffel, E. R. 1032. Significance of drainage changes near Granville, Ohio. — Denison Univ., Sci. Lab., Bull., vol. 14, pp. 157-174, 2 figs., 1909. Considers that drainage changes may have been caused by tilting of the land in preglacial time rather than by the advance of glaciers. Schlundt, Herman, and Moore, Richard B. 1033. Radioactivity of the thermal waters of Yellowstone National Park. — U. S. Geol. Survey, Bull. 395, 35 pp., 4 pis., 7 figs., 1909. Schrader, Frank Charles. 1034. Mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County, Arizona. — U. S. Geol. Survey, Bull. 397, 226 pp., 16 pis., 37 figs., 1909. Describes the physiographic features and general geology, the occurrence of the ores, gold, silver, lead, copper, and zinc, and the mining developments. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 89 Schubert, E. A. 1035. The mineral resources of Virginia. — Am. Min. Congress, 11th Ann. Sess., Papers and Addresses, pp. 121-145, 1909. Schuchert, Charles. 1036. Paleogeography of North America. — Abstract: Science, new ser., vol. 29, pp. 629-630, April 16, 1909. 1037. Obituary: Joseph Frederick Whiteaves. — Am. Jour. Sci., 4th ser., vol. 28, p. 508, November, 1909. 1038. Obituary, Hugh Fletcher. — Am. Jour. Sci., 4th ser., vol. 28, p. 508, Novem- ber, 1908. The Silurian section at Arisaig, Nova Scotia: Correlation. — See Twenhofel, no. 1158. Schultz, A. R. 1039. The northern part of the Rock Springs coal field, Sweetwater County, Wyoming. — U. S. Geol. Survey, Bull. 341, pp. 256-282, 2 pis. (maps), 1909. Describes the topographic features, stratigraphy, and geologic structure of the field, the quality and composition of the coals, and the mining developments. Schwarz, E. H. L. 1040. The probability of large meteorites having fallen upon the earth. — Jour. Geology, vol. 17, no. 2, pp. 124-135, 3 figs., 1909. Scott, J. G. 1041. Coal in Alberta. — Quebec, Soc. Geog., Bull., vol. 3, no. 4, pp. 41-44, May, 1909. Notes the discovery of bituminous coal in northern Alberta. Scott, W. A. 1042. Mining on Prince of Wales Island, Alaska. — Min. and Sci. Press, vol. 98, pp. 885-886, 3 figs., June 26, 1909. Includes notes on the occurrence of the copper ores. 1043. Haines district, Alaska. — Min. and Sci. Press, vol. 99, pp. 198-199, 1 fig., August 7, 1909. Includes notes on the local geology and the occurrence of placer gold. See, T. J. J. 1044. The past history of the earth as inferred from the mode of formation of the solar system. — Am. Philos. Soc., Proc., vol. 48, pp. 119-128, 1909. Sellards, E. H. 1045. Fossil plants of the upper Paleozoic of Kansas. — Kansas, Univ. Geol. Sur- vey, vol. 9, pp. 386-480, 26 pis., 2 figs., 1908. Describes fossil plants from the coal measures and Permian formations of Kansas. 1046. Cockroaches of the Kansas coal measures and of the Kansas Permian. — Kansas, Univ. Geol. Survey, vol. 9, pp. 501-541, 14 pis., 1908. 1047. Types of Permian insects. Part III. — Am. Jour. Sci., 4th ser., vol. 27, pp. 151-173, 28 figs., February, 1909. 1048. Administrative report. — Florida State Geol. Survey, 2d Ann. Rept., pp. 13-19, 1909. 1049. Mineral industries [of Florida]. — Florida State Geol. Survey, 2d Ann. Rept., pp. 233-251, 5 pis., 1909. Sellards, E. H., and Gunter, Herman. 1050. The fuller’s earth deposits of Gadsden County, Florida. With notes on similar deposits found elsewhere in the State. — Florida State Geol. Sur- vey, 2d Ann. Rept., pp. 253-291, 4 pis., 2 figs., 1909. 90 BIBLIOGRAPHY OP NORTH AMERICAN GEOLOGY, 1909. Shaler, Nathaniel Southgate. 1051. The autobiography of Nathaniel Southgate Shaler, with a supplementary memoir by his wife. Boston, Houghton Mifflin Company, 1909. 481 pp., illus. Includes a list of his writings. Shannon, C. W. 1052. Soil survey of Dubois, Perry, and Crawford counties, Indiana. — Indiana, Dept. Geology and Nat. Res., 33d Ann. Rept., pp. 277-342, 10 pis., 1 fig., 1909. Shattuck, George B. 1053. Concentration versus transportation: a need of accurate measurements of stream work. — Jour. Geography, vol. 7, no. 7, pp. 158-163, 4 figs., March, 1909. Shaw, E. Wesley. 1054. The Glenrock coal field, Wyoming. — U. S. Geol. Survey, Bull. 341, pp.151- 164, 1 pi. (map), 1 fig.,, 1909. Describes the topography and stratigraphy of the field, and the occurrence, character, and mining of the coals. Shaw, S. F. 1055. Mining and milling in Tombstone district, Arizona. — Min. World, vol. 30, pp. 589-590, 4 figs., March 27, 1909. Includes notes on the geology and occurrence of gold and silver ores. Shepherd, E. S., and Rankin, G. S. 1056. The binary systems of alumina with silica, lime, and magnesia; with optical study, by Fred. Eugene Wright. — Am. Jour. Sci., 4th ser., vol. 28, pp. 293-333, 7 figs., October, 1909. Sheridan, Jo. E. 1057. The coal mines and plant of the Stag Canon Fuel Co., Dawson, New Mex- ico. — Am. Inst. Min. Eng., Bull., no. 30, pp. 537-564, 15 figs., June, 1909. Describes briefly the geology, character, and occurrence of the coal beds. Sherzer, William Hittell. Nomenclature and subdivision of the upper Siluric strata of Michigan, Ohio, and western New York. — See Lane and others, no. 733. Sherzer, W. H., and Grabau, A. W. 1058. New upper SiluTic fauna from southern Michigan. — Geol. Soc. America, Bull., vol. 19, pp. 540-553, 1 fig., 1909. Discusses the relations and correlations of various Silurian formations and gives lists of fossils from different beds. Shideler, William. 1059. The Addison Creek exposure. — The Miami Student, Oxford, Ohio, vol. 26, pp. 308-310, 1 pi., June, 1907. Describes exposures of Richmond strata near Oxford, Ohio, and gives a list of the fossils collected. Shimek, B. 1060. Aftonian sands and gravels in western Iowa. — Geol. Soc. America, Bull., vol. 20, pp. 399-408, 5 pis., December, 1909. Shimer, Hervey Woodburn. North American index fossils: Invertebrates.— See Grabau and Shimer, no. 477. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 91 Shumard, B. F. Descriptions .of new fossils from the Tertiary formation of Oregon and Wash- ington territories and the Cretaceous of Vancouver Island, collected by Dr. John Evans, United States geologist, under instructions from the Department of the Interior (reprinted from St. Louis Acad. Sci., Trans., vol. 1, pp. 120-123, 1858). — U. S. Geol. Survey, Prof. Paper 59, pp. 186-188, 1909. Shurick, A. T. 1061 . The Great Falls coal field in Montana. — Eng. and Min. Jour., vol. 87, pp. 587-590, 3 figs., March 20, 1909. Includes a brief account of the geology and the character of the coal. Sibley, R. Roy. 1062 . The Copper Creek mining district, Arizona. — Min. World, vol. 30, pp. 477- 480, 4 figs., March 13, 1909. Includes notes on the occurrence of the copper deposits. Siebenthal, Claude E. Mineral resources of the United States, 1908: Lead, zinc, cadmium. — See _ no. 1170. Geology and mineral resources of the Laramie Basin, Wyoming. — See Darton and Siebenthal, no. 313. Simmons, Jesse. 1063 . Tin in the Black Hills of South Dakota. — Min. World, vol. 30, pp. 925-926, 1 fig., May 15, 1909. Includes notes upon the geology and occurrence of the tin ores. 1064 . The mother lode of the Black Hills [South Dakota].— Min. World, vol. 31, p. 126, July 10, 1909. Gives notes on the occurrence of the ore deposits. Sinclair, W. J. 1065 . The Washakie, a volcanic ash formation. — Am. Mus. Nat. Hist., Bull., vol. 26, pp. 25-27, 1909. Describes the materials composing the Washakie formation of southern Wyoming and shows that they differ from those of the Bridger formation; and concludes that the two formations are not contemporaneous. Singe wald, Joseph T., jr. 1066 . The iron ores of Maryland. — Econ. Geology, vol. 4, no. 6, pp. 530-543, 1 fig., 1909. — Abstract: Science, new ser., vol. 29, pp. 633-634, April 16, 1909. Sivyer, Leonard D. 1067 . Geology of Globe, Arizona. — Los Angeles Min. Rev., vol. 25, no. 11, pp. 6-7, 1 fig. (sections), March 13, 1909. Sloan, Earle. 1068 . A summary of the mineral resources of South Carolina. Issued by [South Carolina], Dept. Agriculture, Commerce, and Immigration. Columbia, S. C., 1907. 66 pp., illus. Reprinted with some changes and additions in Handbook of South Carolina, Columbia, 1907. See no. 2218 in Bull. 372, U. S. Geol. Survey. Slocum, Arthur Ware. 1069 . New echinoids from the Ripley group of Mississippi. — Field Mus. Nat. Hist., Geol. Ser., vol. 4, no. 1, pp. 1-16, 3 pis., 2 figs., May 15, 1909. 92 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Smith, Arthur L. 1070. Delta experiments. — Am. Geog. Soc., Bull., vol. 41, no. 12, pp. 729-742 8 figs., December, 1909. Discusses the form and mode of formation of several experimental deltas, and the neces- sary and modifying conditions of delta formation. Smith, Burnett. 1071. Note on the Miocene drumfish, Pogonias multidentatus Cope. — Am. Jour. Sci., 4th ser., vol. 28, pp. 275-282, 13 figs., September, 1909. 1072. On some Dinichthyid armor plates from the Marcellus shale. — Am. Natural- ist, vol. 43, pp. 588-597, 3 figs., October, 1909. Describes fish remains from the Marcellus shale in the vicinity of Syracuse, N. Y., identi- fied with Dinichthys halmodeus (Clarke). 1073. Dikes in the Hamilton shale near Clintonville, Onondaga County, New York. — Science, new ser., vol. 30, p. 724, November 19, 1909. Records the discovery of two dikes, which are briefly described, at a locality 12 miles southwest of Syracuse, N. Y. Smith, Carl D. 1074. The Washburn lignite field, North Dakota. — U. S. Geol. Survey, Dull. 381-A (advance chapter), pp. 15-25, 1 pi. (map), 1 fig., 1909. Describes the general features of the field, the various exposures of lignite beds, and the character of the lignite. 1075. The Fort Berthold Indian Reservation lignite field, North Dakota. — U. S. Geol. Survey, Bull. 381-A (advance chapter), pp. 26-35, 1 pi. (map), 1909. Describes the general features of the field, the stratigraphy and structure, the distribu- tion of the lignite, and its character and uses. 1076. The Fort Peck Indian Reservation lignite field, Montana. — U. S. Geol. Survey, Bull. 381-A (advance chapter), pp. 36-55, 1 pi. (map), 1909. Describes the topography and stratigraphy of the field, and the character and distribu- tion of the lignite beds. The Miles City coal field, Montana. — See Collier and Smith, no. 274. The Sentinel Butte lignite field, North Dakota and Montana. — See Leonard and Smith, no. 761. Smith, E. Eggleston. 1077. The eastern part of the Great Divide Basin coal field, Wyoming. — U. S. Geol. Survey, Bull. 341, pp. 220-242, 1 pi. (map), 1909. Describes the general features of the field and the stratigraphy and structure, the occur- rence and character of the coal beds, and the quality and composition of the coals. Smith, Ethel M. 1078. A study of volcanic topography. — Jour. Geography, vol. 8, no. 3, pp. 56-61, November, 1909. Describes the physiographic history of extinct volcanoes of the United States. Smith, F. C. 1079. What is an ore? — Min. and Sci. Press, vol. 98, p. 614, May 1, 1909. Presents a definition of the term “ore.” Smith, George L. 1080. The Carboniferous section of southwestern Iowa. — Iowa Geol. Survey, vol. 19, pp. 605-657, 4 pis., 1 fig., 1909. Describes the coal measures stratigraphy of southwestern Iowa and gives notes upon the range of certain fossils. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 93 Smith, George Otis. 1081 . Geology of the Kennebec River basin [Maine]. — U. S. Geol. Survey, Water- Supply and Irrig. Paper no. 198, pp. 4-9, 1907. 1082 . Thirtieth annual report of the Director of the United States Geological Survey to the Secretary of the Interior for the fiscal year ended June 30, 1909. Washington, 1909. 128 pp., 2 pis. (maps). A summary of the work of the year, by branches and divisions, with notes on special features, brief descriptions of the publications, and maps showing areas covered by geologic and topographic surveys. 1083 . Distribution of the nation’s mineral wealth. — Am. Min. Congress, 11th Ann. Sess., Papers and Proc., pp. 247-250, 1909. Smith, James Perrin. 1084 . Salient events in the geologic history of California. — Science, new ser., vol. 30, pp. 346-350, September 10, 1909. Outlines the geologic history of California from the Cambrian to the present. Includes a synopsis of Quaternary history in tabular form. Smith, Philip S. 1085 . Recent developments in southern Seward Peninsula, Alaska. — U. S. Geol. Survey, Bull. 379, pp. 267-301, 2 figs., 1909. Describes development of placer and lode gold deposits. Includes notes on the geology of the region. 1086 . The Iron Creek region, Alaska. — U. S. Geol. Survey, Bull. 379, pp. 302-354, 1 pi. (map), 1 fig., 1909. Describes the general geology, the gravels, and the placer and lode gold deposits. Snider, L. C. 1087 . Soil survey of Daviess County, Indiana. — Indiana, Dept. Geology and Nat. Res., 33d Ann. Rept.^ pp. 343-357, 3 pis., 1909. Spalding*, W. A. 1088 . Mine explosions as related to earthquakes. — Eng. and Min. Jour., vol. 87, pp. 411-413, February 20, 1909; p. 899, May 1, 1909; vol. 88, pp. 562-563, September 18, 1909. Spencer, Arthur Coe. 1089 . The Mine Hill and Sterling Hill zinc deposits of Sussex County, New Jersey. — New Jersey Geol. Survey, Ann. Rept. State Geologist for 1908, pp. 23-52, 6 figs., 1909. Describes the mining developments, the constitution of the ore, and the characteristics, relations, and origin of the deposits. Springer, Frank. 1090 . A new American Jurassic crinoid. — U. S. Nat. Mus., Proc., vol. 36, pp. 179- 190, 1 pi., 1909. Spurr, Josiah Edward. 1091 . Scapolite rocks of America. — Am. Jour. Sci., 4th ser., vol. 25, p. 154, Feb- ruary, 1909. Questions the correctness of his former determination of scapolite rocks in Alaska. 1092 . Ore deposition at Aspen, Colorado. — Econ. Geology, vol. 4, no. 4, pp. 301- 320, 1909. — Min. World, vol. 31, pp. 749-752, October 9, 1909. Squire, George Hull. 1093 . Peculiar local deposits on bluffs adjacent to the Mississippi. — Wisconsin Acad. Sci., Arts, and Letters, vol. 16, pt. 1, no. 3, pp. 258-274, 1 pi., 2 figs., 1908. Describes the deposits and discusses their origin and mode of formation. 94 * BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Stabler, H. Denudation. — See Dole and Stabler, no. 345. Denudation in the United States. — See Dole and Stabler, no. 346. Stanton, Timothy W. 1094. Succession and distribution of later Mesozoic invertebrate faunas in North America. — Jour. Geology, vol. 17, no. 5, pp. 410-423, 1909. 1095. The age and stratigraphic relations of the “Ceratops beds” of Wyoming and Montana. — Washington Acad. Sci., Proc., vol. 11, no. 3, pp. 239-293, August 14, 1909. Describes the distribution, relations, and faunal character of the “Ceratops beds,” and considers them to be of Cretaceous age, while the Fort Union formation, properly restricted, is of early Eocene age. Stauffer, Clinton R. 1096. The middle Devonian of Ohio. — Ohio Geol. Survey, 4th ser., Bull. 10, 204 pp., 17 pis., November, 1909. Gives a general discussion of the middle Devonian of Ohio and adjoining States, describes sections and their faunas at various localities in Ohio, discusses the relationship of the middle Devonian faunas of Ohio, and gives notes on and descriptions and figures of species. Stearns, Jane. 1097. A physiography laboratory. — Jour. Geography, vol. 8, no. 4, pp. 84-89, 7 figs., December, 1909. Stephenson, L. W. 1098. Cretaceous geology of the Carolinas and Georgia. — Abstract: Science, new ser., vol. 30, pp. 124-125, July 23, 1909. Sternberg, Charles H. 1099. The life of a fossil hunter. New York,- Henry Holt and Company, 1909. 286 pp., 1 pi. (port.), and 46 figs. An autobiographical sketch. Includes numerous figures of fossils and restorations. 1100. Expedition to the Laramie beds of Converse County, Wyoming. — Kansas Acad. Sci., Trans., vol. 22, pp. 113-116, 1909. Describes the beds and gives notes upon the fossils collected from them. 1101. An armored dinosaur from the Kansas chalk. — Kansas Acad. Sci., Trans., vol. 22, pp. 257-261, 3 pis., 1909. Describes the discovery and occurrence of dinosaurian plates in western Kansas. 1102. A new trachodon from the Laramie beds of Converse County, Wyoming. — Abstract: Science, new ser., vol. 29, pp. 753-754, May 7, 1909. Sterrett, Douglas B. 1103. Mica deposits of South Dakota.^U. S. Geol. Survey, Bull. 380, pp. 382- 397, 4 figs., 1909. Describes the location and general geology, the occurrence, and the mining of mica deposits in the vicinity of Custer, S. Dak., and explains the origin of the pegmatite. Mineral resources of the United States, 1908: Mica; monazite and zircon; precious stones. — See no. 1170. Monazite and monazite mining in the Carolinas. — See Pratt and Sterrett, no. 968. Stevens, Blarney. 1104. The laws of fissures. — Am. Inst. Min. Eng., Bull., no. 32, pp. 722-739, 5 figs., August, 1909. 1105. Prince William Sound, Alaska; its geology and mineralogy.— Northwest Min. Jour., vol. 8, no. 1, pp. 3-6, 4 figs., September, 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 95 Stevenson, John James. 1106 . Darwin and geology. — Pop. Sci. Monthly, vol. 74, pp. 349-354, April, 1909. 1107 . Memoir of James Merrill Safford [1822-1907]. — Geol. Soc. America, Bull., vol. 19, pp. 522-527, 1 pi. (port.), 1909. A sketch of his life and a list of his writings. Stewart, C. A. 1 108 . The definition of marl. — Econ. Geology, vol. 4, no. 5, pp. 485-489, 1909. Stieglitz, Julius. 1109 . The relations of equilibrium between the carbon dioxide of the atmosphere and the calcium sulphate, calcium carbonate, and calcium bicarbonate of water solutions in contact with it. In The tidal and other problems, published by the Carnegie Institution of Washington, pp. 233-264, 1909. Stoek, H. H. 1110. Coal fields of West Virginia. — Mines and Minerals, vol. 29, pp. 219-222, 283-287, 303-307, 6 figs., 1909. 1111 . Marquette Range caving method. — Mines and Minerals, vol. 30, pp. 193- 200, 24 figs., November, 1909. Includes notes on the geology, occurrence, and character of the iron ores of the Marquette - Range, Michigan. 1112 . Upper Potomac coal fields. — Mines and Minerals, vol. 30, pp. 201-204, 6 figs., November, 1909. 1113 . Coal fields of central West Virginia. — Mines and Minerals, vol. 30, pp. 188- 192, 7 figs., October, 1909. Stone, C. A. 1114 . Milling and mining Florida phosphates. — Eng. and Min. Jour., vol. 87, pp. 490-492, 11 figs., March 6, 1909. Stone, Ralph W. 1115 . Coal near the Crazy Mountains, Montana. — U. S. Geol. Survey, Bull. 341, pp. 78-91, 1 pi. (map), 1909. Describes the geography, the general geology, and the structure of the area examined, the occurrence, character, and relations of the coal beds, and the quality of the coal. Storms, William H. 1116 . Geology of the Yellow Aster mine, Kern County, California. — Eng. and Min. Jour., vol. 87, pp. 1277-1280, 3 figs., June 26, 1909. 1117 . Great gold belt in Amador County, California.- — Min. World, vol. 31, pp. 263-266, 4 figs., July 31, 1909. 1118 . Consolidation of Mother Lode mines [California]. — Min. and Sci. Press, vol. 99, pp. 597-598, 2 figs., October 30, 1909. Includes notes on the local geology. Stose, George W. 1119 . Description of the Mercersburg-Chambersburg district, Pennsylvania. — U. S. Geol. Survey, Geol. Atlas U. S., Mercersburg-Chambersburg folio (no. 170), library edition, 19 pp., 8 pis. (maps, sections, and illustrations sheets), 5 figs., 1909; field edition, 144 pp., 6 folded maps, 10 pis., 4 figs., 1910. Describes the topographic features, the general geology, the occurrence, character, and relations of pre-Cambrian volcanic rocks, and of Cambrian. Ordovician, Silurian, and Devonian formations, the geologic structure, the geologic history, and the economic resources. Stow, Audley H. 1120 . Seismic disturbances and coal-mine explosions. — Eng. and Min. Jour., vol. 88, pp. 449-450, September 4, 1909. 96 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Stutzer, O. 1121. Die Kontaktmetamorphen Kupfererzlagerstatten von White Horse in Yukon, Canada. — Zeitschr. prakt. Geologie, Jg. 17, Heft 3, pp. 116-121, 1 fig., March, 1909. Describes the con tact-metam orphic copper-ore deposits of Whitehorse, Yukon Territory. Surr, Gordon. 1122. Tungsten deposits and surface enrichment. — Min. World, vol. 30, pp. 19- 20, January 2, 1909. 1123. Distribution of metals and minerals in ore shoots. — Min. World, vol. 30, pp. 385-386, February 27, 1909. 1124. The association of ores and country rock. — Min. World, vol. 30, pp. 471-473, March 13, 1909. 1125. Granites. — Min. and Sci. Press, vol. 99, pp. 712-714, 1 fig., November 27, 1909. Describes composition, characters, probable origin, etc., of granite. Swartz, Charles K. 1126. Proposed classification of crystals based on the recognition of seven fun- damental types of symmetry. — Geol. Soc. America, Bull., vol. 20., pp. 369-398, 2 pis., 28 figs., December, 1909. Abstract: Science, new ser., vol. 29, p. 631, April 16, 1909. 1127. Recurrence of the Tropidoleptus fauna and the geographic range of certain species in the Chemung of Maryland. — Abstract: Science, new ser., vol. 29, p. 635, April 16, 1909. Symons, Brenton. 1128. Mineral resources of Newfoundland. — Min. Jour., London, vol. 87, pp. 167- 169, October 30, 1909. Taff, Joseph A. 1129. The Sheridan coal field, Wyoming. — U. S. Geol. Survey, Bull. 341, pp. 123-150, 1 pi. (map), 1 fig., 1910. Describes briefly the general features of the field and the stratigraphy of the coal-bearing rocks, and in more detail the occurrence, character, and mining of the coals. 1130. Grahamite deposits of southeastern Oklahoma. — U. S. Geol. Survey, Bull. 380, pp. 286-297, 1 fig., 1909. 1131. Ice-borne bowlder deposits in mid-Carboniferous marine shales. — Abstract: Science, new ser., vol. 29, p. 637, April 16, 1909. Mineral resources of the United States, 1908: Asphalt, related bitumens, and bituminous rock. — See no. 1170. Taff, J. A., and Reed, W. J. 1132. The Madill oil pool, Oklahoma. — U. S. Geol. Survey, Bull. 381-D (advance chapter), pp. 32-41, 1 pi. (map), 1 fig., 1909. Describes the stratigraphy and the structure of the field, and the physical properties, occurrence development, and source of the oil. Tallman, Clay. 1133. The Bullfrog district [Nevada]. — Am. Min. Cong., 12th Ann. Sess., Rept. of Proc., pp. 428-437, 1909. Includes an account of the geology of the district. Tarr, R. P. 1134. The coal resources of Washington. — Mines and Minerals, vol. 30, pp. 17-19, 108-110, 135-138, 311-314, 12 figs., 1907. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 97 Tarr, Ralph S. 1135. The physiographic history of Watkins Glen, New York. — 11th Ann. Rept., 1906, of the Am. Scenic and Historic Preservation Soc., Albany, 1906, pp. 113-141, 2 pis. (in Documents of the Assembly of the State of New York, 129th sess., 1906, vol. 12, no. 74). 1136. The Yakutat Bay region, Alaska; physiography and glacial geology. — U. S. Geol. Survey, Prof. Paper 64, pp. 11-144, 36 pis., 10 figs., 1909. Description of the Watkins Glen-Catatonk district, New York. — See Williams, Tarr, and Kindle, no. 1255. Tarr, Ralph S., and Butler, Bert S. 1137. The Yakutat Bay region, Alaska. — U. S. Geol. Survey, Prof. Paper 64, 183 pp., 37 pis., 10 figs., 1909. 1138. The Yakutat Bay region, Alaska; areal geology. — U. S. Geol. Survey, Prof. Paper 64, pp. 145-170, 1 pi. (map), 1909. Taylor, Arthur E. 1139. Indiana peat, its origin and value. — Am. Peat Soc., Jour., vol. 2, no. 1, pp. 30-33, no. 2, pp. 64-67, 1909. Taylor, Frank Bursley. 1140. Field work on the Pleistocene deposits of southwestern Ontario. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 103-111, 1909. 1141. The bearing of the Tertiary mountain belt upon the origin of the earth’s plan. — Abstract: Science, new ser., vol. 29, pp. 624-625, April 16, 1909. Tays, E. A. H. 1142. Mining in northern Sinaloa, Mexico. — Min. and Sci. Press, vol. 99, pp. 120- 121, July 24, 1909. Includes notes on the geology of the region. 1143. San Jose de Gracia, a great Mexican gold camp. — Eng. and Min. Jour., vol. 88, pp. 640-645, 5 figs., October 2, 1909. Includes notes on the local geology and the occurrence of the gold ores in the San Jos<5 de Gracia district in the State of Sinaloa, Mexico. Thomas, H. H., and MacAlister, D. A. 1144. The geology of ore deposits. London, Edward Arnold, 1909. 416 pp., 65 figs. Thomas, Kirby. 1145. District of El Chico, State of Hidalgo, Mexico. — Mexican Min. Jour., vol. 8, no. 1, pp. 15-17, 2 figs., January, 1909. Includes a short account of the local geology and the occurrence of gold and silver ores. Tillotson, E. W. Orthoklaszwillinge von ungewohnlicher Ausbildung. — See Ford and Til- lotson. Todd, James E. 1146. Description of the Aberdeen-Redfield district, South Dakota. — U. S. Geol. Survey, Geol. Atlas U. S., Aberdeen-Redfield folio (no. 165), library edition, 13 pp., field edition, 99 pp., 12 pis. (maps), 14 figs., 1909. Describes the geography, the general geology, the occurrence and relations of pre-Cam- brian and Cretaceous strata and Quaternary deposits, the geologic history, and the eco- nomic resources, particularly the underground waters. 1147. Drainage of the Kansas ice sheet. — Kansas Acad. Sci., Trans., vol. 22, pp. 107-112, 1909. Discusses the probable margin of the Kansas ice sheet in the State of Kansas, the line of the master drainage stream, and the extent of erosion in Pleistocene and more recent times. 56693°— Bull. 444—10 7 98 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Tolman, C F. 1148 . The geology of the vicinity of the Tumamoc Hills, Arizona. — In Spalding, Distribution and Movements of Desert Plants (Carnegie Inst., Washing- ton, Publ. no. 113), pp. 67-82, 3 pis. (incl. maps), 1 fig., 1909. 1149 . Erosion and deposition in the southern Arizona bolson region. — Jour. Geology, vol. 17, no. 2, pp. 136-163, 3 figs., 1909. 1150 . The southern Arizona copper fields. — Min. and Sci. Press, vol. 99, pp. 356- 360, 390-393, 9 figs., September, 1909. Describes the geology, and the occurrence and character of the copper ores. 1151 . Disseminated chalcocite deposits at Ray, Arizona. — Min. and Sci. Press., vol. 99, pp. 622-624, 3 figs., November 6, 1909. Describes the geologic relations, character, and occurrence of the copper ores. 1152 . The Miami-Inspiration ore zone [Globe district, Arizona]. — Min. and Sci. Press, vol. 99, pp. 646-658, 7 figs., November 13, 1909. Describes the general geology of the district, and the occurrence, character, geologic relations, and genesis of the copper-ore deposits. 1153 . Copper deposits of Silverbell, Arizona. — Min. and Sci. Press, vol. 99, pp. 710-712, 4 figs., November 27, 1909. Describes the geology of the district, and the relations and characters of the copper-ore bodies. True, Frederick W. 1154 . A further account of the fossil sea lion Pontolis magnus, from the Miocene of Oregon. — U. S. Geol. Survey, Prof. Paper 59, pp. 143-148, 3 pis., 1909. Truesdell, William H. 1155 . Ray copper district, Arizona. — Min. and Sci. Press, vol. 98, pp. 794-797, 3 figs., June 5, 1909. Describes the geology of the district, and the occurrence and character of the copper ores. Turner, H. W. 1156 . Contribution to the geology of the Silver Peak quadrangle, Nevada. — Geol. Soc. America, Bull., vol. 20, pp. 223-264, 4 pis., 1 fig., 1909. Describes the geographic features, the occurrence, relations, and petrologic characters of pre-Cambrian, Cambrian, Ordovician, Tertiary, and Quaternary deposits, and of igneous and volcanic rocks, and structural features. 1157 . Mining on the Mother Lode [California]. — Min. and Sci. Press, vol. 98, pp. 40-41, 2 figs., January 2, 1909. Includes notes on the local geology and the occurrence of the gold ores. Twenhofel, W. H. 1158 . The Silurian section at Arisaig, Nova Scotia. With a correlation note by Charles Schuchert. — Am. Jour. Sci., 4th ser., vol. 28, pp. 143-164, August, 1909. Reviews previous work on the section describes the location, structure, petrology, mode of deposition, and subdivisions, and gives a detailed account of the various horizons, with lists of fossils. Twitchell, M. W. The geological distribution of the Mesozoic and Cenozoic Echinodermata of the United States. — See Clark and Twitchell, no. 238. Tyrrell, J. B. 1159 . Mineral veins in the Montreal district [Ontario]. — Canadian Min. Jour., vol. 30, pp. 149-150, March 1, 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 99 Tyssowski, John. 1160. Gypsum on Cape Breton Island, Nova Scotia. — Eng. and Min. Jour., vol. 88, pp. 569-570, 1 fig., September 18, 1909. Udden, Johan August . 1161. Geological classification of the waters of Illinois. — Illinois State Geol. Sur- vey, Bull. no. 10, pp. 8-21, 1 fig., 1909. Discusses the occurrence of underground waters with respect to their geologic horizon. Udden, Jon Andreas. 1162. Coal deposits and possible oil field near Duquoin, Illinois. — Illinois State Geol. Survey, Bull. no. 14, pp. 254-262, 1909. Describes the stratigraphy and the coal beds, and the structure, pointing out the possible occurrence of oil. 1163. Coal deposits and oil field near Duquoin, Illinois. — Min. World, vol. 30 pp. 487-489, 1 fig., March 13, 1909. Describes the stratigraphy and geologic structure of the region, and the occurrence, alti- tude, and character of the coal beds. Uhlig, Johannes. 1164. Untersuchung einiger Gesteine aus dem nordostlichsten Labrador.— Ver. Erdk., Dresden, Mitt., Heft 8, pp. 230-236, 1909. Describes rocks collected in northeastern Labrador (see Hantzsch, no'. 508). Ulrich, Edward Oscar. 1165. Ordovician paleogeography. — Abstract: Science, new ser., vol. 29, pp. 199- 200, January 29, 1909. Discusses the criteria to be used in paleogeography. 1166. Revision of the Paleozoic systems in North America. — Abstract: Science, new ser., vol. 29, p. 630, April 16, 1909. 1167. Paleozoic erosion channels. — Abstract: Science, new ser., vol. 30, pp. 973- 974, December 31, 1909. Gives a classification of erosion channels and describes examples from Ordovician and later Paleozoic deposits. United States Geological Survey. 1168. The publications of the United States Geological Survey. Washington, 1909. 86 pp. 1169. Contributions to economic geology, 1908. Part I. Metals and nonmetals, except fuels. — U. S. Geol. Survey, Bull. 380, 406 pp., 2 pis., 32 figs., 1909. The papers in this bulletin have been entered under the individual authors. Inter- spersed are lists of the Survey publications on various economic products. 1170. Mineral resources of the United States. Calendar year, 1908. Part I. Metallic products, 816 pp., 2 pis. (maps, in pocket), 3 figs., 1909. Part II. Nonmetallic products, 899 pp., 1 pi. (map, in pocket), 6 figs., 1909. Contains the following papers, mainly statistical in character, relating to the production, condition of the industry, etc., but also in some cases including notes on the geology and occurrence of the products treated: Part I. Summary of mineral production in the United States in 1908, compiled by W. T. Thom, pp. 7-59. Iron ores, pig iron, and steel, by E. C. Harder, pp. 61-134. Manganese ores, by E. C. Harder, pp. 135-156. Gold and silver, by Waldemar Lindgren and H. D. McCaskey, pp. 157-183. Copper, by B. S. Butler, pp. 185-226. Lead, by C. E. Siebenthal, pp. 227-243. 100 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. United States Geological Survey — Continued. Zinc, by C. E. Siebenthal, pp. 245-273. Gold, silver, copper, lead, and zinc in the United States, pp. 275-276. Gold, silver, copper, lead, and zinc in the Western States, pp. 277-586. Silver, copper, lead, and zinc in the Central States, pp. 587-643. Gold, silver, copper, lead, and zinc in the Eastern States, by H. D. McCaskey, pp. 645-681. Quicksilver, by H. D. McCaskey, pp. 683-695. Bauxite and aluminum, by W. C. Phalen, pp. 697-708. Antimony, by Frank L. Hess, pp. 709-711. Bismuth, by Frank L. Hess, pp. 713-714. Selenium, by Frank L. Hess, pp. 715-717. Tellurium, by Frank L. Hess, pp. 719-720. Tungsten, nickel, cobalt, vanadium, et'c., by Frank I.. Hess, pp. 721-749. Chromic iron ore, by E. C. Harder, pp. 751-770. Tin, by Frank L. Hess, pp. 771-779. Platinum, by David T. Day, pp. 781-791. Cadmium, by C. E. Siebenthal, pp. 793-803. Part II. FUELS. Coal, by E. W. Parker, pp. 5-211. Coal, briquetting, by E. W. Parker, pp. 213-221. Coke, by E. W. Parker, pp. 223-283. Gas, coke, tar, and ammonia, by E. W. Parker, pp. 285-316. Natural gas, by B. Hill, pp. 317-344. Petroleum, by David T. Day, pp. 345-440. STRUCTURAL MATERIALS. Cement industry in the United States in 1908, by E. C. Eckel, pp. 441-453. Clay- working industries, by Jefferson Middleton, pp. 455-504. Glass sand, other sand, and gravel, by A. T. Coons, pp. 505-510. Lime, by A. T. Coons, pp. 511-515. Sand-lime brick, pp. 517-519. Slate, by A. T. Coons, pp. 521-532. Stone, by A. T. Coons, pp. 533-579. ABRASIVES. Abrasive materials, by W. C. Phalen, pp. 581-598. CHEMICAL MATERIALS. Arsenic, by F. L. Hess, pp. 599-601. Borax, by C. G. Yale, pp. 603-605. Fluorspar and cryolite, by E. F. Burchard, pp. 607-620. Gypsum, by E. F. Burchard* pp. 621-628. Phosphate rock, by F. B. Van Horn, pp. 629-642. Salt and bromine, by W. C. Phalen, pp. 643-657. Sulphur and pyrite, by W. C. Phalen, pp. 659-668. PIGMENTS. Barytes and strontium, by E. F. Burchard, pp. 669-673. Mineral paints, by E. F. Burchard, pp. 675-696. MISCELLANEOUS. Asbestos, by J. S. Diller, pp. 697-706. Asphalt, related bitumens, and bituminous rock, by J. A. Taff, pp. 707-715. Graphite, by E. S. Bastin, pp. 717-738. Magnesite, by C. G. Yale, pp. 739-741. Mica, by D. B. Sterrett, pp. 743-754. Mineral waters, by S. Sanford, pp. 755-790. Monazite and zircon, by D. B. Sterrett, pp. 791-794. Peat, by Charles A. Davis, pp. 795-804. Precious stones, by D. B. Sterrett, pp. 805-859. Quartz and feldspar, by E. S. Bastin, pp. 861-868. Talc and soapstone, by J. S. Diller, pp. 869-878. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 101 Upham, Warren. 1171. Glacial and modified drift of the Mississippi Valley from Lake Itasca to Lake Pepin.— Minnesota Acad. Sci., Bull., vol. 4, no. 2, pp. 299-305, 2 pis., 1906. 1172. The glacial Lake Agassiz.— Abstract: Canadian Min. Jour., vol. 30, p. 646, November 1, 1909. Urbina, Fernando. 1173. Algunas observaciones acerca de la geografia fisica del Estado de Yucatan. — Soc. Geol. Mexicana, Bol., t. 5, pp. 91-101, 11 pis., 1909. Describes physical features of the State of Yucatan, Mexico. Includes notes on the geology. 1174. Notas sobre la caverna de Cacahuamilpa, Distrito de Alarcon, Estado de Guerrero. — Soc. Geol. Mexicana, Bol., t. 5, pp. 11-12, 151-155, 3 pis., 1909. Describes a cavern situated near Cacahuamilpa, District of Alarcon, State of Guerrero, Mexico. 1 175. Nota acerca de unos supuestos yacimientos de cobre y de yeso en el partido de Champoton (Estado de Campeche). — Soc. Geol. Mexicana, Bob, t. 6, pp. viii, 15-16, 1 pb, 1909. A brief note regarding supposed deposits of copper and of gypsum near Champoton, State of Campeche, Mexico. Valiquette, J. H. 1176. Report on an exploration journey to Shining Mountain in the Labrador Peninsula. — Quebec, Dept, of Colonization, Mines, and Fisheries, Mining Operations, 1908, pp. 32-49, 7 pis., 1909. Includes an account of the geology and mineral resources of the region visited. Van Hise, Charles Richard. 1177. Principles of classification and correlation of the pre-Cambrian rocks. — Jour. Geology, vol. 17, no. 2, pp. 97-104, 1909. Van Hise, Charles Richard, and Leith, Charles Kenneth. 1178. Pre-Cambrian geology of North America. — U. S. Geol. Survey, Bulb 360, 939 pp., 2 maps, 1909. Gives a general account of the pre-Cambrian rocks of North America and a summary of the literature relating to them, and a detailed account of their occurrence, relations, and characters in the several areas in which they are found. Van Horn, F. B. 1179. The phosphate deposits of the United States.— U. S. Geol. Survey, Bulb 394, pp. 157-171, 1909. Rept. Nat. Conservation Comm. (60th Cong., 2d sess., Sen. Doc. no. 676), vol. 3, pp. 558-570, 1909. Abstract: Min. and Sci. Press, vol. 99, pp. 88-90, 2 figs., July 17, 1909. Mineral resources of the United States, 1908: Phosphate rock. — See no. 1170. Van Horn, Frank R. 1180. A recent landslide in a shale bank near Cleveland accompanied by buck- ling. — Abstract: Science, new ser., vol. 29, p. 626, April 16, 1909. Van Ingen, Gilbert. 1181. The stratigraphic position of the oolitic iron ore at Bloomsburg, Pa. — Abstract: Science, new ser., vol. 29, p. 830, May 21, 1909. The so-called Clinton ores are considered to be of Salina age. 102 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Vaughan, T. Wayland. 1182 . Geology of the Florida Keys and the marine bottom deposits and recent corals of southern Florida. — Carnegie Inst, of Washington, Yearbook no. 7, 1908, pp. 131-138, 1909. Gives notes upon the character of the deposits forming the Keys. 1183 . The geologic work of mangroves in southern Florida. — Smithsonian Misc. Coll., vol. 52 (Quart. Issue, vol. 5, pt. 4), pp. 461-464, 7 pis., 2 figs., 1909. Veatch, Otto. 1184 . Second report on the clay deposits of Georgia. — Georgia, Geol. Survey, Bull. no. 18, 453 pp., 32 pis., 15 figs., 3 maps, 1909. Villarello, Juan D. 1185 . Hidrologia subterranea de los alrededores de Montenegro (Estado de Quere- taro). — Soc. Geol. Mexicana, Bol., t. 5, pp. 37-65, 1 pi., 1909. Describes the physiographic features, the geology, and the underground waters in the vicinity of Montenegro, State of Queretaro, Mexico. 1186 . Los granitos de las canteras “Leahy,” “Red Stone,” (New Hampshire) y “Bienvenue,” (Maine) E. U. A. — Soc. Geol. Mexicana, Bol., t. 6, pp. ix- xi, 37-66, 18 pis., 1909. Describes the granites quarried in the Leahy and Red Stone quarries near Conway, New Hampshire, and the Bienvenue quarry on Deer Island, Maine. 1 187 . Hidrologia subterranea de los alrededores de Patzcuaro, Michoacan, Mexico. — Mexico, Inst. Geol., Parerg., t. 2, no. 9, pp. 341-362, 1 fig., 1909. Describes the underground water resources of the vicinity of Patzcuaro, Michoacan. Includes a brief account of the geology of the region. 1188 . El pozo de petroleo de Dos Bocas. — Mexico, Inst. Geol., Parerg., t. 3, no. 1, pp. 5-112, 27 pis., 1909. Describes the petroleum well of Dos Bocas, State of Vera Cruz, Mexico. 1189 . Some petroleum-bearing regions of Mexico. — Min. Jour., London, vol. 85, p. 609, May 15, 1909. 1190 . Principal petroleum-bearing regions of Mexico. — Min. World, vol. 31, pp. 28-31, July 3, 1909. 1191 . The mode of filling of some Mexican ore deposits. — Min. Jour., London, vol. 87, pp. 169-170, 208-209, October 30 and November 6, 1909. Villarello, J. D., Flores, T., and Robles, R. 1192 . Geologic study of the Sierra of Guanajuato. — Eng. and Min. Jour., vol. 88. pp. 672-677, 4 figs., October 2, 1909. Includes an account of the ore deposits of Guanajuato district, in the State of Guanajuato, Mexico. Villars, J. R. 1193 . Spheroidal weathering of dikes. — Min. and Sci. Press, vol. 98, p. 443, 1 fig., March 27, 1909. Wade, W. Rogers. 4 1194 . The gem-bearing pegmatites of western Maine. — Eng. and Min. Jour., vol. 87, pp. 1127-1129, June 5, 1909. Describes the occurrence and geologic relations of tourmaline. Wadsworth, M. Edward. 1195 . Crystallography, an elementary manual for the laboratory. Philadelphia, John Joseph McVey, 1909. 299 pp., 25 pis. Waine wright, Wilfrid B. 1196 . Borate deposits of California. — Manchester Geol. and Min. Soc., Trans., vol. 31, pt. 4, pp. 60-66, 1909; Inst. Min. Eng., Trans., vol. 37, pt. 1, pp. 156-162, 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 103 Waitz, Pablo. 1197. Principios de clasificacion y comparacion de rocas macizas (igneas). — Soc. Geol. Mexicana, Bol., t. 6, pp. xi-xii, 17-36, 3 pis., 1909. Discusses the classification of igneous rocks. Walcott, Charles D. 1198. Evolution of early Paleozoic faunas in relation to their environment. — Jour. Geology, vol. 17, no. 3, pp. 193-202, 1909. Walker, T. L. 1199. Report on the tungsten ores of Canada. — Canada, Dept. Mines, Mines Branch, 56 pp., 10 pis., 1 fig., 1909. 1200. Tungsten ores in Canada. — Min. World, vol. 30, p. 747, 2 figs., April 17, 1909. Ward, Freeman. 1201 . On the Lighthouse granite near New Haven, Connecticut. — Am. Jour. Sci., 4th ser., vol. 28, pp. 131-142, 3 figs., August, 1909. Describes the character and extent of the formation, and its petrographic characters and structure. Calamine crystals from the Organ Mountains, Donna Anna County, New Mexico. — See Ford, and Ward, no. 419. Waring", Gerald A. 1202. Geology and water resources of the Harney Basin region, Oregon. — U. S. Geol. Survey, Water-Supply Paper 231, 93 pp., 5 pis., 1909. Warren, C. H. 1203. Note on the occurrence of an interesting pegmatite in the granite of Quincy, Massachusetts. — Am. Jour. Sci., 4th ser., vol. 28, pp. 449-452, November, 1909. Washburne, Chester W. 1204. Coal fields of the northeast side of the Bighorn Basin, Wyoming, and of Bridger, Montana. — U. S. Geol. Survey, Bull. 341, pp. 165-199, 1 pi. (map), 1910. Describes the general features of the field, the stratigraphy of the coal beds, and the distribution, relations, and character of the coals. 1205. Development in the Boulder oil field, Colorado. — U. S. Geol. Survey, Bull. 381-D (advance chapter), pp. 42-44, 1909. 1206. The Florence oil field, Colorado. — U. S. Geol. Survey, Bull. 381-D (advance chapter), pp. 45-72, 2 pis., 2 figs., 1909. Describes the general geology, stratigraphy, and structure of the field, the mode of occur- rence and character of the oil, and the development and production of the field. 1207. Some observations on Rocky Mountain faults. — Abstract: Science, new ser., vol. 29, pp. 555-556, April 2, 1909. Washington, Henry S. The distribution of the elements in igneous rocks. — Am. Inst. Min. Eng., Trans., vol. 39, pp. 735-764, 1909. See no. 1111 of the bibliography for 1908, U. S. Geol. Survey, Bull. 409, p. 87. Diamonds in Arkansas. — See Kunz and Washington. Watson, C. B. 1208. Prehistoric Siskiyou Island and Marble Halls of Oregon. Copyright Janu- ary 4, 1909, by C. B. Watson. 147 pp. Watson, Thomas Leonard. 1209. Annual report on the mineral production of Virginia during the calendar year 1908. — Virginia Geol. Survey, Bull. no. I-A, 141 pp., 1 pi. (map), 25 figs., 1909. 104 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Watson, Thomas Leonard — Continued. 1210. The manganese ore deposits of Georgia. — Econ. Geology, vol. 4, no. 1, pp. 46-55, 1909. Min. World, vol. 30, pp. 643-644, April 3, 1909. 1211 . Petrology of the South Carolina granites. — Jour. Geology, vol. 17 , no. 8, pp. 730-751, 5 figs., 1909. Weaver, Charles E. 1212 . Stratigraphy and paleontology of the San Pablo formation in middle Cali- fornia. — California, Univ., Dept. Geology, Bull., vol. 5, no. 16, pp. 243-269, 1909. Reviews previous work on the San Pablo formation, describes its geographic distribu- tion, stratigraphic relations, and correlation, and gives a list of species occurring in it by horizons. Considers the San Pablo to be lower Pliocene. Weeks, Fred B., and Nickles, John M. 1213 . Bibliography of North American geology for 1906 and 1907, with subject index. — U. S. Geol. Survey, Bull. 372, 317 pp., 1909. Wegemann, Carroll H. 1214 . Some notes on river development in the vicinity of Danville, Illinois. — Univ. Illinois Bull., vol. 6, no. 17, The University Studies, vol. 3, no. 2, pp. 21-42, 3 pis., January, 1909. Gives a detailed account of geologic and physiographic features of the vicinity of Dan- ville, 111., and discusses the development of the drainage of the area. 1215 . Notes on the coals of the Custer National Forest, Montana. — U. S. Geol. Survey, Bull. 381-A (advance chapter), pp. 104-110, 1 pi. (map and sections), 1909. Describes the topography and geology of the field, and the distribution and character of the coal beds. Welch, R. Kemp. 12’l6. The placer mining industry of North Carolina. — Min. World, vol. 30, pp. 965-967, 8 figs., May 22, 1909. Includes notes upon the occurrence and source of placer gold in North Carolina. Weld, C. M. 1217 . The residual brown iron ores of Cuba. — Am. Inst. Min. Eng., Bull., no. 32, pp. 749-762, 3 figs., August, 1909. Weller, Stuart, 1218 . Kinderhook faunal studies. V, The fauna of the Fern Glen formation. — Geol. Soc. America, Bull., vol. 20, pp. 265-332, 6 pis., July, 1909. Describes fossils from the Fern Glen formation in Missouri and Illinois, and discusses the correlation of the Fern Glen formation and its fauna. 1219 . Correlation of the middle and upper Devonian and the Mississippian faunas of North America. — Jour. Geology, vol. 17, no. 3, pp. 257-285, 1909. 1220. Description of a Permian crinoid fauna from Texas. — Jour. Geology, vol. 17, no. 7, pp. 623-635, 1 pi., 1909. 1221 . The fauna of the Fern Glen formation. — Abstract: Science, new ser., vol. 29, p. 636, April 16, 1909. West, H. E. 1222 . Impressions of a new Ontario camp, Gowganda. — Eng. and Min. Jour., vol. 87, pp. 900-902, May 1, 1909. Includes notes on the occurrence and geologic relations of the silver ores in the Gowganda district. 1223 . Features of a vein formation in Nicaragua. — Eng. and Min. Jour., vol. 87, pp. 1130-1133, 4 figs., June 5, 1909. Describes the local geology and the occurrence and geologic relations cf gold and silver bearing manganese deposits in the Matagalpa district of Nicaragua. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 105 Wheeler, H. A. 1224 . Oil and gas in the St. Louis district. - 188-199, 2 figs., April, 1909. -Assoc. Eng. Soc., Jour., vol. 42, pp. Wheeler, H. E. 1225 . A week at Claiborne, Alabama.— Nautilus, vol. 22, pp. 97-98, February, 1909. Includes notes on the occurrence of fossils in the Eocene deposits of this locality. Wheeler, Joseph T. 1226 . The zonal-belt hypothesis; a new explanation of the cause of the ice ages. Philadelphia, J. B. Lippincott Company, 1908, 401 pp. Wherry, Edgar T. 1227 . A new occurrence of carnotite. — Abstract: Science, new ser., vol. 29, p. 751, May 7, 1909. 1228 . Second annual spring conference of the geologists of the northeastern United States. — Science, new ser., vol. 30, pp. 414-416, September 24, 1909. Gives an account of the meeting and abstracts of the papers presented. 1229 . The early Paleozoic of the Lehigh Valley district, Pennsylvania. — Abstract: Science, new ser., vol. 30, p. 416, September 24, 1909. Characterizes the formations of Cambrian and Ordovician age. White, David. 1230 . The effect of oxygen in coal. — U. S. Geol. Survey, Bull. 382, 74 pp., 3 pis., 1909. 1231 . The upper Paleozoic floras, their succession and range. — Jour. Geology, vol. 17, no. 4, pp. 320-341, 2 figs., 1909. 1232 . Paleobotanical work in Illinois in 1908. — Illinois State Geol. Survey, Bull. no. 14, pp. 293-295, 1909. Includes notes on the correlation of the coal beds. 1233 . Occurrence of resin in Paleozoic coals. — Abstract: Science, new ser., vol. 29, p. 945, June 11, 1909. 1234 . Graphic methods of representing the regional metamorphism of coals. — Abstract: Science, new ser., vol. 30, p. 62, July 9, 1909. White, Douglas. 1235 . The zinc mines of southern Nevada. Am. Min. Cong., 12th Ann. Sess., Rept. of Proc., pp. 401-411, 1909. Describes briefly the geologic occurrence of the zinc ores. White, I. C. 1236 . Shortage of coal in the northern Appalachian coal field. — Geol. Soc. America, Bull., vol. 20, pp. 333-340, 1909. Discusses the distribution of workable beds, the method of deposition of the coal, and the duration of the field under present methods of mining and use. 1237 . The barren zone of the northern Appalachian coal field and its relations to Pittsburg’s industries. Address of Dr. I. C. White, state geologist of West Virginia, before the Am. Min. Congress, Pittsburg, Pennsylvania, on Friday, the 5th day of December, 1908. 20 pp. Also in Am. Min. Congress, 11th Ann. Sess., Papers and Addresses, pp. 166-176, 1909. 1238 . West Virginia Geological Survey, Coal Report. Discussion of review by M. R. Campbell. — Econ. Geology, vol. 4, no. 3, pp. 261-262, 1909. White, W. P. Diopside and its relations to calcium and magnesium metasilicates. — See Allen and White, no. 20. 106 BIBLIOGEAP.HY OF NORTH AMERICAN GEOLOGY, 1909. Whiteaves, J. F. 1239. [Report on] paleontology and zoology. — Canada Geol. Survey, Summ. Rept., 1908, pp. 171-175, 1909. 1240. Notes on some fossils from the Cambro-Silurian and Silurian rocks of the Albany River drainage system in northwestern Ontario. — Canada, Geol. Survey, Report on a portion of Algoma and Thunder Bay districts, Ontario, by W. J. Wilson, pp. 34-41, 1909. 1241. Description of a new species of ammonite, of the genus Stepheoceras, from some rocks of presumably Jurassic age in the Nicola Valley, B. C. — Ottawa Naturalist, vol. 23, no. 2, pp. 21-23, 1 pi., May, 1909. Whitlock, H. P. 1242. Some parallel groupings of calcite crystals from the New Jersey trap region. — New York State Mus., Bull., 133, pp. 217-221, 2 figs., 1909. Whitney, Milton. 1243. Soils of the United States, based upon the work of the Bureau of Soils to January 1, 1908. — U. S. Dept. Agric., Bur. Soils, Bull. no. 55, 243 pp., 2 pis., 7 figs., 1909. Whitney, Milton, and others. 1244. Field operations of the Bureau of Soils, 1907. — U. S. Dept. Agric., Bureau of Soils, Ninth Report, Washington, 1909. 1062 pp., 4 pis., 36 figs., and 35 soil maps (in separate case). Contains soil surveys of the following areas: Alabama, Butler County, pp. 437-465. Marion County, pp. 381-400. Talladega County, pp. 401-436. Arkansas, Conway County, pp. 753-771. California, Colusa area, pp. 927-972. Redding area, pp. 973-999. Siskiyou County, Butte Valley, pp. 1001-1014. Florida, Jefferson County, pp. 345-379. Idaho, Minidoka area, pp. 909-926. Indiana, Marion County, pp. 793-812. Louisiana, Winn Parish, pp. 557-589. Maryland, Easton area, pp. 121-163. Mississippi, Jasper County, pp. 525-556. Oktibbeha County, pp. 467-502. Prentiss County, pp. 503-523. Nebraska, North Platte area, pp. 813-836. New York, Dutchess County, pp. 31-79. North Carolina, Edgecombe County, pp. 249-269. Henderson County, pp. 227-247. North Dakota, McKenzie area, pp. 859-879. Morton area, pp. 837-858. Pennsylvania, Johnston area, pp. 81-120. South Carolina, Lee County, pp. 323-343. Oconee County, pp. 271-298. Sumter County, pp. 299-321. South Dakota, Bellefourche area, pp. 881-906. Tennessee, Giles County, pp. 773-791. Texas, Bastrop County, pp. 663-704. Brownsville area, pp. 705-732. Cooper area, pp. 733-752. Robertson County, pp. 591-640. Wilson County, pp. 641-662. Virginia, Montgomery County, pp. 193-225. Washington, Bellingham area, pp. 1015-1049. West Virginia, Middlebourne area, pp. 165-192. Whytock, P. R. 1245. The Rawhide district, Nevada. — Min. World, vol. 31, p. 266, July 31, 1909. Describes the occurrence of the gold ores. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 107 Wiard, Edward S. 1246. Ore dressing in the Coeur d’Alene district, Idaho. — Eng. and Min. Jour., . vol. 88, pp. 1055-1060, 7 figs., November 27, 1909. Includes notes on the geology of the region and the character and occurrence of the silver- lead ores. Wickham, H. F. 1247. New fossil Coleoptera from Florissant. — Am. Jour. Sci., 4th ser., vol. 28, pp. 126-130, August, 1909. Wiechert, E. 1248. Our present knowledge of the earth. — Smithsonian Inst., Ann. Kept, for 1908, pp. 431-449, 1909. Wieland, G. It. 1249. Revision of the Protostegidae. — Am. Jour. Sci., 4th ser., vol. 27, pp. 101-130, 3 pis., 12 figs., February, 1909. 1250. A new armored saurian from the Niobrara. — Am. Jour. Sci., 4th ser., vol. 27, pp. 250-252, 10 figs., March, 1909. Describes Hierosaurus sternbergii from the Niobrara chalk of western Kansas. 1251. The Williamsonias of the Mixteca Alta, Mexico. — Bot. Gazette, vol. 48, pp. 427-441, 10 figs., December, 1909. Describes the occurrence of cycads of Triassic or Jurassic age in Oaxaca, Mexico, and gives notes upon the fossils. Wilder, F. A. 1252. Fuel values of Iowa coals. — Iowa Geol. Survey, vol. 19, pp. 397-475, 8 pis., 1 fig., 1909. Willard, Daniel E. 1253. Description of the Jamestown-Tower district, North Dakota. — U. S. Geol. Survey, Geol. Atlas U. S., Jamestown-Tower folio (no. 168), library edition, 10 pp., 9 pis. (maps), 6 figs., field edition, 76 pp., 9 folded maps, 2 pis., 4 figs., 1909. Describes the general features, the Cretaceous and Quaternary deposits, the geologic his- tory, the water supply, and the soils. Williams, Henry S. 1254. On the age of the Gaspe sandstone. — Abstract: Science, new ser., vol. 29, p. 635, April 16, 1909. Williams, H. S., Tarr, R. S., and Kindle, E. M. 1255. Description of the Watkins Glen-Catatonk district, New York. — U. S. Geol. Survey, Geol. Atlas U. S., Watkins Glen-Catatonk folio (no. 169), library edition, 33 pp., 8 pis. (maps and illustrations sheets), 13 figs., field edition, 242 pp., 6 folded maps, 24 pis., 13 figs., 1909. Describes the topographic features, the occurrence, character, relations, faunal charac- teristics, boundaries, and correlations of Devonian formations, the occurrence and char- acter of igneous rocks, geologic structures in the Devonian rocks, the Quaternary deposits, the geologic history and physiographic record, and the economic resources. Willis, Bailey. 1256. Paleogeographic maps of North America. — Jour. Geology, vol. 17, pp. 203- 208, 253-256, 286-288, 342-343, 403-405, 406-407, 408-409, 424-425, 426-428, 503-505, 506-508, 600-602, 15 figs, (paleogeographic maps), 1909. Gives paleogeographic maps of North America in lower Cambrian, late middle and upper Cambrian, middle Ordovician, Silurian, Middle Devonian, Mississippian, Pennsyl- vanian, latest Paleozoic, Triassic, late Jurassic, Lower Cretaceous, Upper Cretaceous, Eocene-Oligocene, Miocene, and Quaternary time. 1257. fReport on symposium on correlation!. — Science, new ser., vol. 29, pp. 748-750, May 7, 1909. 108 BIBLIOGRAPHY OP NORTH AMERICAN GEOLOGY, 1909. Willis ton, Samuel W. 1258 . The skull and extremities of Diplocaulus. — Kansas Acad. Sci., Trans., vol. 22, pp. 122-131, 6 pis., 1909. 1259 . The faunal relations of the early vertebrates. — Jour. Geology, vol. 17, no. 5, pp. 389-402, 1909. 1260 . New or little-known Permian vertebrates: Trematops, new gen.— Jour. Geology, vol. 17, no. 7, pp. 636-658, 7 figs., 1909. 1261 . Discussion of paper by R. S. Lull, Dinosaur societies.— Abstract: Science, new ser., vol. 29, p. 194, January 29, 1909. Wilson, Alfred W. G. 1262 . Trap sheets of the Lake Nipigon basin [Ontario]. — Geol. Soc. America, Bull., vol. 20, pp. 197-222, 4 figs., June, 1909. Abstract: Science, new ser., vol. 29, pp. 635-636, April 16, 1909. Presents and discusses evidence to determine whether the capping trap sheets are surface flows or intrusions. 1263 . The region in the vicinity of Lake Nipigon, Thunder Bay district, Ontario. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 95-96, 1909. Includes notes on the geology of the area examined. Wilson, E. B. 1264 . Geological nomenclature. — Min. Science, vol. 57, pp. 460-461, 2 figs., May 14, 1908. Discusses the application of the terms dip, pitch, and hade. 1265 . Boron. — Mines and Minerals, vol. 30, pp. 168-170, October, 1909. Includes notes on the minerals containing boron and their occurrence. Wilson, Morley E. 1266 . Lake Opasatika and the Height of Land. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 121-123, 1909. Describes briefly the physiographic features, the general geology, and the occurrence and character of the formations of the area examined in the western part of the Province of Quebec, Canada. Wilson, W. J. 1267 . Geological reconnaissance of a portion of Algoma and Thunder Bay districts, Ontario. — Canada, Geol. Survey, 49 pp., 6 pis., 1909. 1268 . Summary report dealing with the fieldwork in connexion with the collection of paleontological material from the Devonian and lower Carboniferous of New Brunswick. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 183- 185, 1909. Winchell, Alexander N. Elements of optical mineralogy. — See Winchell and Winchell, no. 1273. Winchell, Newton Horatio. 1269 . Some features in the geology of northeastern Minnesota. — Abstract: Minne- sota Acad. Sci., Bull., vol. 4, no. 2, p. 201, 1906 (Printed in full in the Amer. Geologist, July, 1897). 1270 . Glacial lakes of St. Louis and Nemadji. — Abstract: Minnesota Acad. Sci., Bull., vol. 4, no. 2, p. 208, 1906. 1271 . Deep wells as a source of water for Minneapolis. — Abstract: Minnesota Acad. Sci., Bull., vol. 4, no. 2, p. 266, 1906. 1272 . A diamond drill core section of the Mesabi rocks. — Lake Superior Min. Inst., Proc., vol. 14, pp. 156-178, 1909. Describes the megascopic characters of specimens taken from a drilling in the Mesabi Range, Minnesota. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 109 Winchell, N. H., and Winchell, Alexander N. 1273. Elements of optical mineralogy: an introduction to microscopic petrog- raphy, with description of all minerals whose optical elements are known and tables arranged for their determination microscopically. New York, D. Van Nostrand Company, 1909. 502 pp., 4 pis., 350 figs. Winston, W. B. 1274. Arteaga district, Chihuahua, Mexico. — Min. and Sci. Press., vol. 98, pp. 829- 830, 4 figs., June 12, 1909. Includes notes on the geologic occurrence of the gold ores. Wisconsin Geological and Natural History Survey. 1275. Sixth biennial report of the commissioners of the Geological and Natural History Survey covering the period from July 1, 1906, to June 30, 1908. Madison, Wisconsin, 1908. 45 pp. An administrative report. Wittich, Ernesto. 1276. Contribuciones a la geologia de la region meridional de la Baja California. — Soc. Geol. Mexicana, t. 6, pp. xii-xiii, 5-14, 1 pi., 1909. Describes the general features of the southern part of Lower California, the occurrence, character, and relations of igneous rocks, and Tertiary, Quaternary, and recent deposits and the geologic structure. Wolcott, G. E. 1277. Mining and milling at Rawhide, Nevada. — Eng. and Min. Jour., vol. 87, pp. 345-348, 7 figs., February 13, 1909. Describes the local geology and the occurrence of gold ores. Wolff, J. Fred. 1278. Open-pit iron mining on the Mesabi Range of northern Minnesota. — Mines and Minerals, vol. 29, pp. 291-293, 4 figs., February, 1909. Includes notes on the geologic occurrence of the iron ores. Wolff, John E. 1279. Notes on the Crazy Mountains, Montana. — Abstract: Geol. Soc. America, Bull., vol. 19, pp. 557-558, 1909. Wood, Elvira. 1280. A critical summary of Troost’s unpublished manuscript on the crinoids of Tennessee. — U. S. Nat. Mus., Bull. 64, 150 pp., 16 pis., 1 fi£., 1909. Wood, George McLane. 1281. Suggestions to authors of papers submitted for publication by the United States Geological Survey, with directions to typewriters. — U. S. Geol. Survey, 1909. 50 pp. States the practice of the Survey in the preparation of its publications. Includes defini- tions of geologic terms. Wood, H. O. Crystallographic notes on minerals from Chester, Mass. — See Palache and Wood, no. 933. Wood, Katharine Hill. Bibliography of North Carolina geology, mineralogy, and geography, with a list of maps. — See Laney and Wood, no. 736. Woodman, J. Edmund. 1282. Report on the iron ore deposits of Nova Scotia (Part I).— Canada, Dept. Mines, Mines Branch, 226 pp., 63 pis., 1909. Canadian Min. Jour., vol. 30, pp. 496-498, 550-556, 621-627, 6 figs., 1909. 110 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Woodruff, Elmer Grant. 1283. The Red Lodge coal field, Montana. — U. S. Geol. Survey, Bull. 341, pp. 92- 107, 1 pi., 1 fig., 1909. Describes the surface features, the stratigraphy and structure of the field, the occurrence and character of the coal beds, and the character of the coal. 1284. Coal fields of the southwest side of the Bighorn Basin, Wyoming. — U. S. Geol. Survey, Bull. 341, pp. 200-219, 1 pi. (map), 1909. Describes the stratigraphy and structure of the field and the geologic occurrence, mining, and character of the coals. 1285. Sulphur deposits near Thermopolis, Wyo. — U. S. Geol. Survey, Bull. 380, pp. 373-380, 1 fig., 1909. Describes the location, geologic relations and structure, and the occurrence and origin of the sulphur ore. Woodward, A. Smith. 1286. Address of the president to the geological section of the British Association for the Advancement of Science. — Science, new ser., vol. 30, pp. 321-331, September 10, 1909. Discusses evolution among the vertebrates and the problems which this study has raised. Woodworth, Jay B. 1287. Report on the Harvard seismographic station.— Harvard Univ., Mus. Comp. Zool., Ann. Rept. of the Curator, 1908-09, pp. 28-32, 1 pi., 1909. Woolsey, Lester H. 1288. The Bull Mountain coal field, Montana. — U. S. Geol. Survey, Bull. 341, pp. 62-77, 1 pi. (map), 1909. Describes the general geology, the occurrence and character of the coal beds, the character of the coal, and the development. Wright, C. T. 1289. The laboratories for physical geography in two California high schools. — Jour. Geography, vol. 8, no. 1, pp. 10-14, 3 figs., September, 1909. Wright, Charles W. 1290. Mining in southeastern Alaska. — U. S. Geol. Survey, Bull. 379, pp. 67-86, > 2 pis., 1909. Includes notes on the geology of Kasaan Peninsula and other districts of southeastern Alaska. Wright, Fred. Eugene. 1291. Uber Enstatit und Klinoenstatit. — Zeitschr. Krystal, und Mineral., Bd. 46, Heft 6, pp. 599-600, 1909. Gives optical measurements of clinoenstatite crystals and calls attention to distinctions between enstatite and clinoenstatite. The binary systems of alumina with silica, lime, and magnesia; optical study. — See Shepherd and Rankin, no. 1056. Wright, Fred. Eugene, and Larsen, Esper S. 1292. Quartz as a geologic thermometer. — Am. Jour. Sci., 4th ser., vol. 27, pp. 421- 447, June, 1909. Abstract: Science, new ser., vol. 29, p. 556, April 2, 1909; p. 634, April 16, 1909. Wright, George Frederick. 1293. Geological facts bearing on the place of the origin oi the human race. — Abstract: Science, new ser., vol. 29, p. 512, March 26, 1909. BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Ill Wright, J. W. 1294. The Black Range mining district, New Mexico. — Min. World, vol. 31, pp. 979-981, 4 figs., November 13, 1909. Includes notes on the local geology and the occurrence of the ores yielding gold, silver, and copper. Yates, J. A. 1295. Study of certain features of the Lawrence shales.— Kansas Acad. Sci., Trans., vol. 22, pp. 117-121, 1909. Yeandle, W. H. 1296. Notes on the effect of earthquakes on deep underground water circulation.— Eng. and Min. Jour., vol. 88, p. 871, October 30, 1909. Young, George A. 1297. A descriptive sketch of the geology and economic minerals of Canada. — Canada, Geol. Survey, 151 pp., 82 pis., 2 maps, 1909. Abstract: Canadian Min. Jour., vol. 30, pp. 684-685, November 15, 1909. 1298. Summary report on a district near Bathurst, N. B., and on the reported occurrence of gold in the Tobique country, Victoria Co., N. B. — Canada, Geol. Survey, Summ. Rept., 1908, pp. 129-131, 1909. Describes the general geology and the occurrence and relations of an iron-ore deposit, and gives general notes on the Tobique country. Zalinski, Edward R. 1299. Amatrice, a new gem stone of Utah. — Eng. and Min. Jour., vol. 87, pp. 1038- 1039, 2 figs., May 22, 1909. Describes the gem material, and its geological occurrence in Tooele County, Utah. 1300. Some notes on pitchblende. — Salt Lake Min. Rev., vol. 11, no. 14, pp. 25- 27, 2 figs., October 30, 1909. Zambonini, F. 1301. Uber Enstatit und Klinoenstatit. — Zeitschr. Krystal, und Mineral., Bd. 46, Heft 6, pp. 601-602, 1909. A discussion in regard to the distinctions between enstatite and clinoenstatite. Zehring, W. S. 1302. The Nevada-Douglas copper properties, Nevada. — Min. World, vol. 30, pp. 736-738, 2 figs., April 17, 1909. Includes notes on the geology and occurrence of the copper ores. Anonymous. 1303. Earthquakes and firedamp.— Mines and Minerals, vol. 30, pp. 252-253, November, 1909. 1304. Geologic note on Liberty Bell. — Min. and Sci. Press, vol. 98, p.'793, June 5, 1909. Describes the geologic conditions and occurrence of the ores in the Liberty Bell mine, at Telluride, Colorado. 1305. Rutile deposits of Virginia. — Min. and Sci. Press, vol. 98, p. 896, June 26, 1909. CLASSIFIED SCHEME OF SUBJECT HEADINGS. 1. GENERAL. Associations, meetings; Addresses; History; Philosophy; Biography; Bibliography; Educational; Text-books. Classification; Nomenclature; Cartography; Technique; Fieldwork; Surveys; Borings. Geochemistry; Chemical analyses (list); Atmosphere. 'Miscellaneous. 2. REGIONAL. The States of the Union, Alabama, etc.; the Provinces of Canada, Alberta, etc.; Greenland; Mexico; the countries of Central America; the West Indies, and the single islands; the Hawaiian Islands. 3. ECONOMIC. Ore deposits, origin; Contact phenomena. Gold; Placers; Black sands; Silver; Quicksilver; Nickel; Cobalt; Copper; Lead; Zinc; Iron; Magnetite; Manganese; Tin; Aluminum; Bauxite; Antimony; Bismuth; Tungsten; Wolframite; Vanadium; Uranium; Carnotite ores; Molybdenum; Molyb- denite; Titanium; Rutile; Platinum; Monazite; Rare earths; Tantalum; Selenium; Tellurium; Zircon. Coal; Anthracite; Coke; Peat; Lignite; Bituminous rock; Natural gas; Petroleum; Oil shales; Asphalt; Albertite; Gilsonite; Grahamite; Ozokerite. Stone; Building stone; Granite; Bluestone; Limestone; Lime; Marble; Onyx; Sandstone; Clay; Kaolin; Bentonite; Fire clay; Ganister; Slate; Shale; Marl; Sand; Glass sand; Sand-lime brick; Gravel; Cement and cement materials; Concrete materials; Road materials; Trap; Steatite; Soapstone; Talc. Precious stones; Diamonds; Sapphires; Turquoise; Tourmaline. Abrasive materials; Corundum; Emery; Garnet; Diatomaceous earth; Tripoli; Volcanic ash; Millstones; Novaculite. Asbestos; Feldspar; Mica; Quartz; Gypsum; Graphite; Fuller’s earth; Infusorial earth; Magnesite; Mineral paint; Chromium; Chromite; Chromic iron ore; Fluorspar; Barite; Barytes; Strontium; Arsenic; Pyrite; Sulphur; Sulphate of soda; Cryolite; Phosphorus; Phosphate; Apatite; Glauconite; Borax; Bromine; Salt; Natron deposits. 4. DYNAMIC AND STRUCTURAL. Earth, genesis of; Earth, age of; Earth, interior of; Earth, temperature of. Volcanoes; Earthquakes; Seismographs. Isostasy; Orogeny; Changes of level. Magmas; Intrusions; Dikes; Laccoliths; Metamorphism; Contact phenomena. Deformation; Folding; Faulting; Unconformities. Conglomerates; Concretions; Stalactites; Jointing; Cleavage. Sedimentation; Denudation; Erosion; Caves; Sink holes; Erratic bowlders; Weather- ing; Wind work; Dunes; Loess; Landslides. Glaciers; Glacial erosion; Eskers; Karnes; Moraines; Kettle holes. Drainage changes. 112 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. 113 5. PHYSIOGRAPHIC. Geomorphy; Relief maps. Valleys; Cirques; Deserts; Dunes; Deltas; Alluvial fans-; Eskers; Kames; Mounds, natural; Natural bridges; Sink holes; Karsts. Lakes; Swamps; Marshes; Everglades; Terraces; Shore lines; Rivers; Meafiders: Falls; Springs. 6. HISTORICAL OR STRATIGRAPHIC. Geologic history; Geologic time; Paleogeography ; Paleogeographic maps; Paleo- climatology. Geologic maps; Geologic formations described (list). Pre-Cambrian, Cambrian; Ordovician; Silurian; Devonian; Carboniferous; Triassic; Jurassic; Cretaceous; Tertiary; Quaternary; Recent; Glacial geology; Glaciation; Glacial lakes; Ice ages. 7. PALEONTOLOGY. Geographic distribution. Vertebrata; Man, fossil; Mammalia; Aves; Reptilia; Amphibia; Pisces; Footprints, fossil. Invertebrata; Arthropoda; Trilobita; Ostracoda; Insecta; Arachnida; Myriapoda. • Mollusca; Cephalopoda; Gastropoda; Pelecypoda. Molluscoidea; Brachiopoda; Bryozoa; Vermes. Echinodermata; Echinoidea; Asteroidea; Crinoidea; Crystoidea. Coelenterata; Anthozoa; Hydrozoa; Graptolites. Protozoa; Spongida; Foraminifera. Paleobotany; Diatoms. Problematica. 8. PETROLOGY. Rocks, origin; Rocks described (list); Igneous and volcanic rocks; Rock-forming minerals. 9. MINERALOGY. Minerals described (list); Crystallography; Pseudomorphism; Paragenesis of minerals; Rock-forming minerals; Meteorites. 10. UNDERGROUND WATER. Mine waters; Thermal waters; Geysers; Springs; Mineral waters. 56693°— Bull. 444—10 8 11. SOILS. INDEX. [The numbers refer to entries in the bibliography.] Aberdeen-Redfield district, South Dakota: Todd, 1146. Abrasive materials. North Carolina: Pratt, 964. United States (general): U. S. G. S., 1170. Addresses. Antiquity of man: Penck, 947. Darwin and geology: Stevenson, 1106. Distribution of nation’s mineral wealth: Smith, j 1083. Earthquake forecasts: Gilbert, 450. Geologic basis for artesian prediction: Darton, I 309. Geologic essentials of a mine report: De Kalb, 336. Geologic forecast of the future opportunities of our race: Chamberlin, 217. Geology and revelation: Calvin, 186. Igneous rocks, study of: Iddings, 611. North America and Europe: Penck, 946. Pleistocene problem in Iowa: Calvin, 187. Aftonian mammalian fauna: Calvin, 188. Alabama. Economic. Chattanooga district, iron: Higgins, 556. Clinton iron ores in the Birmingham district: Burchard, 163. Clinton iron ore in Chattanooga region: Burch- ard, 164. * Coal, Lahausage mine: Evans, 381. Coosa coal field: Prouty, 971. Paleontology . Claiborne fossils: Wheeler, 1225. Alaska. General. Prince William Sound: Stevens, 1105. Yakutat Bay region: Tarr and Butler, 1137. Economic. Big bonanza copper mine, Latouche Island: Lincoln, 768. Fairhaven precinct: Henshaw, 540. Fairbanks gold placer region: Prindle and Katz, 970. Fortymile quadrangle: Prindle, 969. Gold: Rickard, 1002. Gold Hill district placers: Maddren, 809. Haines district, gold: Scott, 1043. Innoko district placers: Maddren, 810. Iron Creek region: Smith, 1086. Alaska— Continued . Economic — Continued. Kenai Peninsula: Grant and Higgins, 486. Kotsina-Chitina, Chistochina, and Valdez Creek regions: Moffit, 873. Kotsina-Chitina region, mineral resources: Moffit and Maddren, 875. Makushin sulphur deposits, Unalaska: Lawton 741. Mineral resources: Brooks, 149, 150. Mineral resources, 1908: Brooks et al., 151. Mining industry, 1908: Brooks, 148. Nabesna- White River district: Moffit and Knopf, 874. Peat: Davis, 315. Prince of Wales Island, copper: Scott, 1042. Prince William Sound: Stevens, 1105. copper: Grant and Higgins, 485; McCormick 793. gold: Grant, 484. Ruby Creek district: Maddren, 808. Seward Peninsula: Smith, 1085. Southwestern Alaska: Atwood, 41; Wright 1290. Tin deposits, Seward Peninsula: Knopf, 676. White River, copper: Lewington, 765. Dynamic and structural. Glaciers: Reid, 994. Kobuk glacier: Ilershey, 546. Rock glaciers: Capps, 197. Yakutat coastal plain formation: Blackwelder, 118. Physiographic. General: Sargent, 1026. Bogoslofs: Jordan and Clark, 639. Malaspina glacier region: Martin, 821. Point Hope spit: Kindle, 667. Yakutat Bay region: Tarr, 1136. Stratigraphic. Balboa-IIerendeen Bay district: Atwood, 42. Cape Thompson section: Kindle, 669. Fortymile quadrangle: Prindle, 969. Kotsina-Chitina region: Moffit and Maddren . 875. White River region, copper-bearing amygda- loids: Knopf, 676. Yakutat Bay region: Tarr, 1136; Tarr and But- ler, 1138. Paleontology . Mammoth expeditions: Quackenbusfy, 974. 115 116 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Alaska— Continued. Petrology. Scapolite rocks: Spurr, 1091. Yakutat Bay region: Butler, 174. Mineralogy. Pyrite with gold and galena: Pogue, 959. Alberta. Economic. Bighorn and Brazeau coal lands: McEvoy, 802. | Bighorn, Brazeau, and Saskatchewan coal I lands: Dowling, 353. Big Horn coal basin: Malloch, 812. Coal: Scott, 1041. Coal fields: Dowling, 350, 352. Kananaskis coal area: Dowling, 355; McEvoy, 801. Lignite areas: Dowling, 351. Mining districts: Langford, 737. Dynamic and structural. Landslide at Frank: Burling, 168. Algae from Trenton limestone of New York: Ruede- mann, 1020. Algonkian. See Pre-Cambrian. Algonquin and Nipissing shore lines in Ontario: Goldthwait and Jacobson, 463. Aluminum. United States (general): U. S. G. S., 1170. Ammonites. See Cephalopoda. Amphibia. General: Moodie, 876. Carboniferous: Moodie, 878. classification, etc.: Moodie, 877. in American Museum of Natural History: Moodie, 880. Diplocaulus: Williston, 1258. Lysorophidse: Moodie, 876. Microsauria: Moodie, 879. Stegocef)hala: Moodie, 876. Trematops from the Permian: Williston, 1260. Amphibolites of the Laurentian area: Adams, 2. Analyses, chemical. See list, p. 158. Animikie. See Pre-Cambrian. Anthozoa (corals). Cincinnatian: Foerste, 412. Developmental stages: Grabau, 475. Rugose corals, morphology and development: Brown, 156. Silurian fossils from Ohio, Indiana, and Ken- tucky: Foerste, 409. Anthracite. Pennsylvania, Wilkesbarre: Cist, 227. Anticlinal and hydraulic theories of oil and gas accumulation: Munn, 889. Anticlinal theory of oil and gas accumulation: Clapp, 231. Antimony. Canada: Young, 1297. Nova Scotia, West Gore: Haley, 503. Quebec: Dresser, 361. United States (general): U. S. G. S., 1170. Apatite. Canada: Young, 1297. Archean. See Pre-Cambrian. | Arizona. General. Tucson: Blake, 120. Economic. Banner mining district, Gila County: Brooks, 152. Calizona placers: Iledburg, 534. Copper Creek mining district: Sibley, 1062. Copper fields of southern Arizona: Tolman, 1150. Dragoon tungsten deposits: Richards, 996. Globe, copper: Sivyer, 1067. Greens Valley district: Hedburg, 535. Johnson and Dragoon districts, copper: Dins- more, 342. Marble prospects in Chiricahua Mountains: Paige, 927. Miami copper mine: Herrick, 545. Miami-Inspiration copper-ore zone: Tolman, 1152. Mohave County, mineral deposits: Schrader, 1034. Patagonia district: Dinsmore, 341. Ray chalcocite deposits: Tolman, 1151. Ray copper district: Truesdell, 1155. Ray copper mines: Herrick, 544. San Francisco district: Martin, 816. Silverbell copper deposits: Tolman, 1153. Tombstone district: Shaw, 1055. Turquoise mining district: Platt, 956. Wolframite in Whetstone Mountains: Hess, 550. Dynamic and structural. Erosion and deposition in bolson region: Tol- man, 1149. Physiographic. Bolson region: Tolman, 1150. Colorado Canyon: Davis, 319-321. Grand Canyon district: Johnson, 629. . Grand Canyon of Colorado: Davis, 319. Meteor Crater: Hastings, 516. Stratigraphic. Ray copper district: Truesdell, 1155. Tumamoc Hills: Tolman, 1148. Petrology. * Tumamoc Hills: Tolman, 1148. Mineralogy. General: Blake, 119. Arizonite: Palmer, 934. Connellite and chalcophyllite from Bisbee: Pa- lache and Merwin, 932. Arkansas. General. Bibliography of geology of Arkansas: Branner, 136. Economic. Diamond field, Pike County: Arkansas Dia- mond Company, 29; Branner, 137; Eberle, 369; Fuller, 431; McCourt, 794. Mineral resources: Estes, 380. Murfreesboro eruptives magnetic: Harris, 513. Slate: Purdue, 972. Stratigraphic. Ouachita Ordovician area: Purdue, 973. Arsenic. United States (general): U. S. G. S., 1170. Artesian waters and wells. See U nderground water INDEX. 117 Arthropoda. See also Crustacea, Arachnida, and Insec ta. Asbestos. General. Depth of deposits: Cirkel, 226. Canada: Young, 1297. Ontario, Gowganda district: Collins, 276. Ontario, Montreal River district: Collins, 279. Quebec: Dresser, 359-361. United States (general): U. S. G. S., 1170. Wyoming: Lakes, 710. Asphalt. See also Asphaltite and Grahamite. General. Distribution and mode of occurrence: Lakes, 708. Nevada, northeastern: Anderson, 27. Oklahoma: Gould, 468, 469; Taff, 1130. United States (general): U. S. G. S., 1170. Associations, meetings. American Association for the Advancement of Science, Section E, Baltimore meeting, 1908: Gulliver, 501. American Society of Vertebrate Paleontolo- gists, seventh annual meeting: Matthew, 838'. British Association for the Advancement of Science, Winnipeg meeting: Knight, 673. Geological Society of America, meeting, Decem- ber, 1908: Hovey, 596. Geological Society of America, 29th meeting, at Albuquerque: Hovey, 595. Geologists of northeastern United States, second annual spring conference: Wherry, 1228. New England intercollegiate geological excur- sion: Brown, 155. Asteroidea. Protaster: Parks, 941. Atmosphere. Equilibrium between carbon dioxide of atmos- phere and calcium compounds of water: Stieglitz, 1109. Aves (birds). Peacock from Quaternary asphalt beds, Cali- fornia: Miller, 863. Teratornis from Rancho La Brea: Miller, 864. Barite. See also Barytes. Canada: Young, 1297. Missouri, St. Francois and Washington coun- ties: Buckley, 158. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Barytes. See also Barite. United States (general): U. S. G. S., 1170. Base level of eolian erosion: Keyes, 655. Batrachia. See Amphibia. Bauxite. United States (general): U. S. G. S., 1170. Beaches. See also Shore lines; Terraces. Ohio, Berea, Cleveland, and Euclid sheets: Carney, 202. Ontario, southwestern: Taylor, 1140. Belle Fourche quadrangle: Darton and O’Harra, 312. Benitoite: Baumhauer, 85; Hlawatsch, 578-580; Louderback, 781. Bentonite. Wyoming, Black Hills region: Darton, 306. Wyoming, Laramie Basin: Darton and Sieben- thal, 313. Bibliography. Abrasive materials: U. S. G. S., 1169. Alaska, Pleistocene mammals: Quackenbush, 974. Yakutat Bay region: Tarr, 1136. Alberta, coal fields: Dowling, 350. Aluminum: U. S. G. S., 1169, 1170. Antimony: U. S. G. S., 1169. Arkansas geology: Branner, 136. Asbestos: U. S. G. S., 1169. Asphalt: U. S. G. S., 1170. Barite: U. S. G. S., 1169. Barytes: U. S. G. S., 1170. Bauxite: U. S. G. S.,1170. Beaches, raised, of Ohio: Carney, 202. British Columbia, coal fields: Dowling, 350. Building stone: U. S. G. S., 1169. Canada Geological Survey publications: Can- ada G. S., 195. Cement materials: U. S. G. S., 1169. Cement, Virginia: Bassler, 78. Cenozoic mammal horizons: Osborn, 913. Chromium: U. S. G. S., 1169. Clays: U. S. G. S., 1169. Coal, Iowa: Lees, 752. United States Geological Survey publications on: Lee and Nickles, 749. Colorado, Hahns Peak region: George and Craw- ford, 446. north central: Henderson, 536. Copper: Odendall, 905; U. S. G. S., 1169. Corals, rugose, morphology and development: Brown, 156. Cryolite: U. S. G. S., 1170. Deltas: Smith, 599. Entelodontidae: Peterson, 951. Fletcher, Hugh, writings: Brock, 146. Florissant fossils: Bather, 84. Fluorspar: U. S. G. S., 1169, 1170. , Fuller’s earth: U. S. G. S., 1169. Gabb, W. M., writings: Dali, 298. Glass sand: U. S. G. S., 1169, 1170. Gold: U. S. G. S., 1169. Granite, economic geology of: Dale, 297. Graphite: U. S. G. S., 1169, 1170. Gypsum: U. l S. G. S., 1169, 1170. Heilprin, Angelo, writings: Gregory, 492. Hyatt, Alpheus, writings: Brooks, 153. Iron: U. S. G. S., 1169, 1170. Brewster district, New York: Koeberlin, 679. Lead: U. S. G. S., 1169. Lime: U. S. G. S., 1169. Magnesite: U. S. G. S., 1169. Mammalia, Pleistocene, of Alaska: Quacken- bush, 974. Manganese: U. S. G. S., 1169. Manitoba, coal fields: Dowling, 350. Mexico, Cretaceous coal fields: Aguilera, 10. Mica: U. S. G. S., 1169. Mineral paints: U. S. G. S., 1169, 1170. 118 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Bibliography— Continued. Mollusca, post-Eocene marine, of northwest coast of America: Dali, 301. Montana, Great Falls region: Fisher, 396, 397. Nevada, Goldfield district: Ransome, 976. Humboldt County: Ransome, 980. New York, geological maps: Leighton, 755. Pleistocene: Fairchild, 385. Nickel: U. S. G. S., 1169. North American geology for 1906-7, 1908: Nick- les, 896, 897. North Carolina, geology, mineralogy, and geog- raphy: Laney and Wood, 736. Nova Scotia, Arisaig section: Twenhofel, 1158. Peat: Bastin and Davis, 83. Iowa: Lees, 753. Petroleum: # U. S. G. S., 1170. Phosphates: U. S. G. S., 1169. Platinum: U. S. G. S., 1169. Pleistocene mammals of Alaska: Quackenbush, 974. Pleistocene of New York: Fairchild, 385. Pre-Cambrian: Van Hise and Leith, 1178. Pyrite: U. S. G. S., 1169. Quicksilver: U. S. G. S., 1169, 1170. Road materials: U. S. G. S., 1169. Safford, James Merrill, writings: Stevenson, 1107. Salines: U. S. G. S., 1169. Salt: U. S. G. S., 1170. Sand: U. S. G. S., 1170. Saskatchewan, coal fields: Dowling, 350. Shaler, Nathaniel Southgate, writings: 1051. Silurian, Arisaig section, Nova Scotia: Twen- hofel, 1158. Silver: U. S. C-. S., 1169. Sulphur: U. S. G. S., 1169. Tantalum: Hess, 549. Tertiary land connection between North and South America: Scharff, 1030, 1031. Texas, El Paso quadrangle: Richardson, 998. Tin: Hess, 549; U. S. G. S., 1169, 1170. Tungsten: George, 445; U. S. G. S., 1169, 1170; Walker, 1199. Turtles, Protostegidse: Wieland, 1249. United States Geological Survey publications: U. S. G. S., 1168. Uranium: U S. G. S., 1169. Vanadium: U. S. G. S., 1169. 9 Virginia, cement resources: Bassler, 78. Zinc: U. S. G. S., 1169. Biography. Fletcher, Hugh: Brock, 146; Schuchert, 1038. Frazer, Persifor: Harrison, 515. Gabb, William More: Dali, 298. Hague, James Duncan: Raymond, 985. Heilprin, Angelo: Gregory, 492. Hyatt, Alpheus: Brooks, 153. Lesley, Peter: Ames, 21. Nettleroth, Henry: Bassler, 80. Safford, James Merrill: Stevenson, 1107. Shaler, Nathaniel Southgate, autobiography: 1051. Sternberg, Charles H., autobiography: 1099. Whiteaves, Joseph Frederick: Schuchert, 1037. Yates, William Smith: McCallie, 789. Birds. See Aves. Bismuth. United States (general): U. S. G. S., 1170. Bison occidentalis: Moodie, 876. Bivalves. See Pelecypoda. Black Hills region, geology and water resources: Darton, 306. Bluestone. New York: Newland, 894. United States (general): U. S. G. S., 1170. Bogoslofs: Jordan and Clark, 639. Bolson region of Arizona: Tolman, 1149. Borate deposits: Wainewright, 1196. Boron: Wilson, 1265. Borax. General: Wilson, 1265. California: Keyes, 660; Wainewright, 1196. United States (general): U. S. G. S., 1170. Borings. Canada: Ingall, 613. Illinois: Udden, 1162. Louisiana, northwestern: Harris et al., 514. Maine, southern: Bayley, 87. Minnesota, Mesabi rocks: Winchell, 1272. Nevada, Lyon County: Anderson, 26. Reno region: Anderson, 25. New York, Manhattan Island: Berkey, 101. South Dakota: Darton, 307. Botany, fossil. See Paleobotany. Brachiopoda. Caney shale fauna, Oklahoma: Girty, 457. Cincinnatian: Foerste, 412. Devonian, Montana: Raymond, 982. Richmond group: Foerste, 414. Silurian, Indiana, Ohio, and Kentucky: Foerste, 409. Tennessee, Indiana, and Kentucky: Foerste, 411. British Columbia. General. British Columbia coast: Graham, 479. Bulkley Valley: Leach, 742. Texada Island: McConnell, 792. Vancouver Island: Clapp, 228. Economic. Bear River district: Rush, 1023. Bulkley Valley: Leach, 742. Coal fields: Dowling, 350. Lardeau district: Emmons, 375. Mining districts: Langford, 737. Mother Lode mine, copper: Allen, 18. Osoyoos and Similkameen districts: Camsell, 193. Phoenix, Granby Consolidated, copper: Allen, 19. Phoenix camp and Slocan district: LeRoy, 762. Report Bureau of Mines: Robertson, 1007. Texada Island: McConnell, 792. Vancouver Island: Clapp, 228. Stratigraphic. Correlation of the international strata: Evans, 382. Paleontology. Stepheoceras from Nicola ' valley: Whiteaves, 1241. INDEX. 119 British Columbia— Continued. Mineralogy. Pyromorphite: Bowles, 131. Bromine. United States (general): U. S. G. S., 1170. Bryozoa. Cretaceous, New Jersey: Gregory, 494. Building stone. See also Granite, Limestone, and Sandstone. Florida: Sellards, 1049. New Jersey: Lewis, 766. New York: Newland, 894. North Carolina: Pratt, 964. Oregon, Portland region: Darton, 308. Pennsylvania, Philadelphia district: Bascom et al., 74. Rocky Mountains: Lakes, 702. United States (general): U. S. G. S., v 1170. Washington: Darton, 308. West Virginia: Grimsley, 496. Marshall, Wetzel, and Tyler counties: Hen- nen, 537. Calcite: Whitlock, 1242. Calcite, crystallographic notes on: Pogue, 958. Calcite crystals with new forms: Schaller, 1029. Caliche: Blake, 120. California. General. Del Norte County, Black Diamond: Hershey, 547. Santa Cruz quadrangle: Branner et al., 138. Economic. Alleghany gold district: Martin, 817. Amador County gold belt: Storms, 1117. Borate deposits: Wainewright, 1196. Borax deposits: Keyes, 656, 660. Coalinga oil district: Forstner, 422. Kreyenhagen field: Forstner, 420. Grass Valley, gold mining: Martin, 818. Kern County, Yellow Aster mine: Storms, 1116. Los Angeles oil industry: Barbour, 63. Mother lode mines: Storms, 1118; Turner, 1157. San Bernardino County, iron: Jones, 634. Santa Cruz quadrangle: Branner et al., 138. Shasta County: Packard, 925. Sodium sulphate, San Luis Obispo County: Arnold and Johnson, 34. Dynamic and structural. Earthquake rift in eastern San Luis Obispo County: Arnold and Johnson, 33. San Francisco earthquake: Bogdanovich, 123; Gilbert, 449; Hovey, 594; Klautsch, 672; Kolderup, 680. earth movements: Oldham: 908. geodetic study of: Hayford, 531. Physiographic. Physiographic provinces, study of: Holway and Linsley, 589. San Luis Obispo County: Arnold and John- son, 33. Southeastern California: Mendenhall, 845. Southern California: Danes, 305. Yosemite region, debris tracks on domes: Matthes, 831. California— Continued. Physiographic — Continued. Yosemite Valley, glacial character of: Matthes, 830. Stratigraphic. Coalinga district: Arnold, 3L Furnace Canyon: Keyes, 656. Geologic history: Smith, 1084. Historical geology of California: Forstner, 421. j Me Kittrick-S unset district: Johnson, 631. l Mount Diablo: Louderback, 782. San Pablo formation: Weaver, 1212. Santa Cruz quadrangle: Branner et al. , 138. Tertiary: Arnold, 31, 32. Paleontology. Carinifex from the Santa Clara lake beds: Han- nibal, 507. Cat allied to Felis atrox: Merriam, 850. Coalinga district: Arnold, 30, 31. Echinoids from the Tertiary: Pack, 923. Peacock from Quaternary asphalt beds: Miller, 863. Santa Cruz quadrangle: Branner et al., 138. Teratomis from Rancho La Brea: Miller, 864. | Petrology. Epidote, pyrogenetic: Butler, 175. Mineralogy. Benitoite: Baumhauer, 85; Hlawatsch, 578- 580. paragenesis and occurrence: Louderback, 781. Calcite crystals: Schaller, 1029. Natrolite and neptunite from San Benito: Hla- watsch, 581. Neptunite from San Benito County: Bradley, 135; Ford, 416. Underground water. Ground water problems: Mendenhall, 844. Indio region, ground waters: Mendenhall, 846. Southeastern California: Mendenhall, 845. Callibrachion: Moodie, 876. Cambrian. General. Classification: Grabau, 471. Paleogeographic map: Willis, 1256. Stratigraphy. British Columbia: Evans, 382. Canada, maritime provinces: Matthew, 832. Georgia: Veatch, 1184. Massachusetts, Boston region: La Forge, 690. Missouri, southeastern: Buckley, 158. Nevada, Goldfield district: Ransome, 976. Silver Peak quadrangle: Turner, 1156. New Brunswick, Saint John: Ells, 373. New Jersey: Kummel, 682. Trenton quadrangle: Bascom et al., 75. New York and adjoining States: Gordon, 464. Pennsylvania, Lancaster County: Roddy, 1008. Lehigh Valley: Wherry, 1229. Mercersburg-Chambersburg district: Stose, 1119. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. South Dakota, Black Hills region: Darton, 306, 307. Texas, El Paso quadrangle: Richardson, 998. Virginia, western: Bassler, 78. Wyoming, Black Hills region: Darton, 306. 120 BIBLIOGRAPHY OP NORTH AMERICAN GEOLOGY, 1909. Cambrian— Continued. Paleontology. Early Paleozoic faunas, evolution of: Walcott, 1198. Pennsylvania, Lancaster County: Roddy, 1008. Camel from Miocene of Nebraska: Cook, 281. Camptosaurus, osteology of: Gilmore, 453. Canada (general). See also the various 'provinces. General. Canada Geological Survey publications, 195. Geology and economic minerals: Young, 1297. Summary report of Geological Survey for 1908: Brock, 144. Economic. Asbestos deposits, depth of: Cirkel, 226. Economic minerals: Young, 1297. Mineral districts: Frecheville and Marriott, 426. Mineral fuels: Ells, 372. Mineral production, 1906: Canada, M. B., 194. Mining districts: Langford, 737. Peat industry: Nystrom and Anrep, 903. Tungsten: Walker, 1199, 1200. Stratigraphic. Geological cycles in the maritime provinces: Matthew, 832. Pre-Cambrian rocks: Miller, 865. Paleontology. Report on invertebrate paleontology: Ami, 22. Report on paleontology: Whiteaves, 1239. Report on vertebrate paleontology: Lambe, 724. Mineralogy. Report on mineralogy: Johnston, 632. Underground water. Report of water and borings branch: Ingall, 613. Carboniferous. General. Paleogeographic map: Willis, 1256. Theories, new, regarding the Carboniferous period: Bustamante, 173. Correlation. Fern Glen formation: Weller, 1218. Stratigraphy. Alabama: Prouty, 971. Alaska, Cape Thompson: Kindle, 669. Fortymile quadrangle: Prindle, 969. Arkansas: Purdue, ^72. British Columbia: Evans, 382. Canada: Dowling, 350. maritime provinces: Matthew, 832. Colorado, Hahns Peak region, Routt County: George and Crawford, 446. north central: Henderson, 536. Conemaugh sections in Pennsylvania: Ray- mond, 983. Fern Glen formation: Weller, 1218, 1221. Georgia: Veatch, 1184. Guadalupian stratigraphy: Girty, 456. Illinois: DeWolf, 337; White, 1232. Danville region: Wegemann, 1214. Duquoin: Udden, 1163. northwestern: Carman, 198. Indiana: Ashley, 36. Iowa, Des Moines stage, general section of: Lees, 751. eastern: Carman, 198. southwestern: Smith, 1080. Carboniferous— Continued. Stratigraphy— Continued. ' Kansas: Haworth and Bennett, 518. anthraeolithic rocks: Beede. 91. coal measures: Beede and Rogers, 95. Lawrence shales: Yates, 1295. Permian: Beede 90. upper Paleozoic plants: Sellards, 1045. Kentucky: Miller, 859. Bedford formation: Foerste, 410. Blue Grass region: Matson, 827. Waverly formations: Morse and Foerste, 887. Little Black Mountain region: Fisher, 398. Massachusetts, Boston region: La Forge, 690. Michigan, Tuscola County: Cooper, 285. Montana, Great Falls region: Fisher, 396, 397. lyewistown field: Calvert, 185. New Brunswick: Wilson, 1268. New Mexico, Hanover district: Paige, 926. Manzano group: Lee, 745. Nova Scotia, Cumberland: Poole, 962. Joggins section: Logan, 777. Northumberland County: Fletcher, 404. Ohio, Conemaugh formation: Condit, 280. Licking County: Carney, 200. Oklahoma, anthracolithic rocks: Beede, 91. Permian: Beede, 90. Pennsylvania, Conemaugh sections: Raymond, 983. marine fossils, new horizons for: Raymond, 984. Meadville: Millward, 870. Permian rocks of the Mississippi valley: Beede, 94. Rio Grande region: Keyes, 665. South Dakota, Belle Fourche quadrangle: Darton and O’Harra, 312. Black Hills region: Darton, 306, 307. Texas, El Paso quadrangle: Richardson, 998. Permian red beds: Case, 210. Wichita-Brazos red beds: Gordon, 466. Upper Carboniferous: Girty, 455. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Wyoming, Black Hills region: Darton, 306. Laramie Basin: Darton and Siebentha), 313. Paleontology. Amphibia: Moodie, 878, 880. classification, etc.: Moodie, 877. Crinoid fauna from Texas Permian: Weller, 1220. Devonian and Mississippian faunas: Weller, 1219. Early vertebrate faunas: Williston, 1259. Feirn Glen fauna: Weller, 1218, 1221. Fish fauna of Albert shales of New Brunswick: Lambe, 724. Guadalupian fauna: Girty, 456; (review): Beede, 92. Illinois, Foraminifera: Bagg, 46. Iowa, southwestern: Smith, 1080. Kansas, coal measures faunas: Beede and Rogers, 95. cockroaches from coal measures and Permian: Sellards, 1046. Kansas and Oklahoma: Beede, 91. Kentucky , Bedford fauna: Foerste, 410. INDEX. 121 Carboniferous— Continued. Paleontology— Continued. New Mexico, Manzano group: Girty, 458. Ohio, Conemaugh formation: Condit, 280. Oklahoma, Caney shale fauna: Girty, 457 Paleozoic floras: White, 1231. Pennsylvania, Devonian and Carboniferous: Millward, 870. Helodus, n. sp.: Eastman, 365. Pennsylvanian and Permian faunas of Kansas: Beede, 93. Permian insects: Sellards, 1047. Permian land reptiles: Matthew, 837. Trematops from the Permian: Williston, 1260. Upper Carboniferous: Girty, 455. Carcharodon: Dean, 332. Carinifex from Santa Clara lake beds: Hannibal, 507. Cartography. See also Maps. New York, geological maps: Leighton, 755. Cascade basin, coals: Dowling, 351. Caverns. See Caves. ■ Caves. Indiana: Greene, 490. Mexico? Cacahuamilpa: Urbina, 1174. Celestite. Texas: Hess, 551. • Cement and cement materials. Colorado: Martin, 819. Montana, Havre: Pepperberg, 948. New York: Newland, 894. North Dakota, northeastern: Barry and Mel- sted, 70. Oregon: Darton, 308. United States (general): U. S. G. S., 1170. Virginia, western:' Bassler, 78. Washington: Darton, 308. Cenozoic mammal horizons of western North Amer- ica: Osborn, 913. Central America. See also Costa Rica, Guatemala, etc. Cephalopoda. See also Mollusca. Caney shale fauna, Oklahoma: Girty, 457. Stepheoceras from the British Columbia Juras- sic: Whiteaves, 1241. Changes of level. General: Carter, 208. Florida, southern: Sanford, 1025. Isobases of post- Algonquin elevation: Gold- thwait, 462. Laurentian lakes basin, recent earth move- ments: Hobbs, 585. Massachusetts, Boston and vicinity: Freeman, 429. Chemical analyses. See list p. 158. Chromic iron ore. United States (general): U. S. G. S., 1170. Chromite. Quebec: Dresser, 361. Chromium. Canada: Young, 1297. United States (general): U. S. G. S., 1170. Cincinnatian fossils: Foerste, 412. Cirques. Montana, Crazy Mountains: Mansfield, 813. Classification. Coal: Grout, 499. Crystals: Swartz, 1126. Geologic materials: Grout, 498. Ontario drift deposits: Coleman, 269. Pre-Cambrian rocks: Van Hise, 1177. Clay dunes: Coffey, 265. Clay. See also Fire clay. General. Colloid matter of clay: Ashley, 38. Geological investigation of clay: Ries, 1003. Florida: Matson, 828; Sellards, 1049. Georgia: Veatch, 1184. Minnesota: Berkey, 100. Mississippi, pottery clays: Logan, 778. New Jersey, Philadelphia district: Bascom et al., 74. New York: Newland, 894. Ontario: Baker, 53, 54; Coleman, 270. Oregon, Portland: Darton, 308. United States (general): U. S. G. S., 1170. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Climate, geologic. See Paleoclimatology. Ciinton iron ore: Ball, 58. Maryland: Singewald, 1066. Pennsylvania: Kelly, 643. Coal. See also Lignite. General: Campbell, 190. Barren zone of northern Appalachian field: White, 1237. Chemical changes in the formation of coal: Dowling, 356. Classification of: Collier, 273; Grout, 499. Determination of depths to horizontal coal seams: Lakes, 712. Effect of oxygen in coal: White, 1230. Future production: Gannett, 434. Metamorphism of coals, regional, representa- tion of: White, 1234. Origin: Coste, 287. Oxygen, effect in coal: White, 1230. Pressure in the formation and alteration of coal: Dowling, 354. Rate of deposition: Ashley, 37. Resin in Paleozoic coals: White, 1233. Shortage of coal in northern Appalachian field: White, 1236. United States Geological Survey publications on coal: Lee and Nic-kles, 749. Alabama, Coosa field: Prouty, 971. Lahausage mine: Evans, 381. Alaska, Fairhaven precinct: Henshaw, 540. southwestern: Atwood, 41. Yakutat Bay region: Tarr and Butler, 1138. Alberta: Dowling, 350, 352; Scott, 1041. Big Horn basin: Malloch, 812. Bighorn and Brazeau coal lands: McEvoy, 802. Bighorn, Brazeau, and Saskatchewan lands: Dowling, 353. Cascade basin: Dowling, 351. 122 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. C oal— Continued. Alberta— Continued. Kananaskis area: Dowling, 355; McEvoy, 802. British Columbia: Dowling, 350. Bulkley Valley: Leach, 742. Canada: Ells, 372; Young, 1297. Colorado, Book Cliffs field: Richardson, 1000. Durango-Monero field: Gardner, 437. Grand Mesa field: Lee, 743. northwestern: Gale, 433. Illinois: Bain et al., 50; DeWolf, 337. Duquoin district: Udden, 1162, 1163. Indiana: Ashley, 35, 36. Iowa: Beyer, 111; Hinds, 571; Lees, 750; Wilder, 1252. analyses of coal: Lees and Hixson, 754. bibliography of coal: Lees, 752. Manitoba: Dowling, 350. Maryland, upper Potomac fields: Stoek, 1112. Mexico, Coahuila: Ludlow, 784. Coahuila, northern: Aguilera, 10. Michigan, Tuscola County: Cooper, 285. Montana, Bridger field: Washburne, 1204. Bull Mountain field: Richards, 997; Woolsey, 1288. Crazy Mountains: Stone, 1115. Custer National Forest: Wegemann, 1215. Great Falls field: Fisher, 396; Shurick, 1061. Lewistown field: Calvert, 184, 185. Miles City coal field: Collier and Smith, 274. Milk River field: Pepperberg, 949. Red Lodge field: Woodruff, 1283. Roundup mines: Rowe, 1018. Sentinel Butte lignite field: Leonard and Smith, 761. Newfoundland: Howley, 604. New Mexico, Dawson: Sheridan, 1057. Durango-Monero field: Gardner, 437. Gallina-Raton Spring field: Gardner, 436. Gallup-San Mateo field: Gardner, 438. North Dakota, Sentinel Butte field: Leonard and Smith, 761. southwestern: Leonard, 758. Oklahoma: Gould, 470. Oregon, Morrow County: Mendenhall, 849. Rogue River valley: Diller, 339. Saskatchewan: Dowling, 350. Cascade basin: Dowling, 351. United States (general): U. S. G. S., 1170. coalfields: Campbell and Parker, 191. Utah, Book Cliffs field: Richardson, 1000. northeastern: Gale, 433. southern: Richardson, 999. Virginia, Pocket coal district in Little Black Mountain field: Fisher, 398. Washington: Tarr, 1134. Olympic Peninsula: Reagan, 989. West Virginia: Stoek, 1110; White, 1231. central: Stoek, 1113. Marshall, Wetzel, and Tyler counties: Hen- nen, 537. upper Potomac fields: Stoek, 1112. Wyoming, Bighorn Basin: Washburne, 1204; Woodruff, 1284. Black Hills region: Darton, 306. Glenrock field: Shaw, 1054. Great Divide Basin field: Smith, 1077. | Coal — Continued. Wyoming, Bighorn Basin— Continued. Laramie Basin: Darton and Siebenthal, 313. Little Snake River field: Ball, 57. Rock Springs field, Sweetwater County: Schultz, 1039. Sheridan field: Taff, 1129. Yukon: Cairnes, 179. Coal Measures. See Carboniferous. Cobalt. Canada: Young, 1297. Ontario: Hore, 591. Cobalt district: Higgins, 557; Ontario B. M., 909. United States (general): U. S.'G. S., 1170. Ccelenterata. See Anthozoa and Hydrozoa. Coke. United States (general): U. S. G. S., 1170. Colloid matter of clay: Ashley, 38. Colorado. General. Geological survey, report: George, 444. Economic. Aspen, ore deposition: Spurr, 1092. Book Cliffs coal field: Richardson, 1000. Boulder County tungsten area: George, 445. Boulder oil field: WaAburne, 1025. Cement materials: Martin, 819. Dredging at Breckenridge: Bradford and Cur- tis, 133. Durango-Monero coal field: Gardner, 437. Fall River district, Alice mine: Herrick, 542. Florence oil field: Washburne, 1206. Fluorspar: Burchard, 165. Grand Mesa coal field: Lee, 743. Gunnison County: Hill, 562. Hahns Peak region, Routt County: George and Crawford, 446; Lakes, 707. Liberty Bell, Telluride: 1304. Mining districts: Miller, 861. Montezuma mining district, Summit County: Patton, 943. Mineral resources: Lakes, 720. Natural gas: Lakes, 706. Newcastle, gold: Rickard, 1001. Northwestern coal fields: Gale, 433. Oil fields: Lakes, 696. Ore deposition at Aspen: Loughlin, 783. Rare metals: Fleck, 399, 401. Summit County: Lakes, 695. Taylor Peak and Whitepine iron deposits: Harder, 509. Tungsten: Ekeley, 370; Hills, 568; Walker, 1199. Boulder County: George, 443. Uranium and vanadium deposits: Fleck, 400. Dynamic and structural. Landslides in San Juan Mountains: Howe, 603. Slumgullion mud flow: Cross, 296. Physiographic. Mills moraine, Longs Peak region: Orton, 912. Stratigraphic. Book Cliffs coal field: Richardson, 1000. Boulder County, Sugarloaf district: Crawford, 290. Fluidal gneiss and contemporary pegmatites: Cross, 295. INDEX. 123 Colorado— Continued. Stratigraphic— Continued.' Foothills formations of north central Colorado: Henderson, 536. Grand Mesa coal field: Lee, 747. Gunnison County: Hill, 562. Hahns Peak region, Routt County: George and Crawford, 446. Leadville quadrangle, Pleistocene geology of: Capps, 196. Morrison formation: Henning, 537. Sugarloaf district, Boulder County: Crawford, 290. Paleontology. ■ Amber in Laramie: Cockerell, 263. Ceropalidse from Florissant: Rohwer, 1013. Coleoptera from Florissant: Wickham, 1247. Devonian fauna of the Ouray limestone: Kin- dle, 666. Diptera from Florissant: Cockerell, 250. Eocene insects: Cockerell, 246, 255. Euphorbiacese: Cockerell, 262. Fagacese: Hollick, 587. Florissant fossils: Bather, 84. Florissant insects: Cockerell, 243-245, 247-257; Rohwer, 1013, 1014; Wickham, 1247. Florissant plants: Cockerell, 264. Ground-sloth: Cockerell, 261. Nemestrinidse: Cockerell, 244, 245. Tsetse fly from Florissant: Cockerell, 252. Petrology. Boulder County, intrusive rocks: Crawford, 291. Sugarloaf district: Crawford, 290. Crystalline slates from Las Animas Canyon: Berg, 96. Sugarloaf district: Crawford, 290. Mineralogy . Bald Mountain, minerals with uranium ore: Becke, 88. Guffey meteorite: Hovey, 598. Underground water. Artesian waters of Costilla County: Headden, 532. Mineral springs: Headden, 533. Colorado Canyon: Davis, 319-321, 324. Colorado desert: Mendenhall, 846, 848. Concentration versus transportation: Shattuck, 1053. Conglomerates. Marine and terrestrial: Barrell, 68. Congresses. See Associations. Connecticut. Stratigraphic. General: Gregory, 493. Lighthouse granite: Ward, 1201. Petrology. Lighthouse granite: Ward, 1201. Underground water. General: Gregory, 493. Ground water in the crystalline rocks: Ellis, 371. Contact phenomena. Granodiorite of Concepcion del Oro, Zacatecas, Mexico: Bergeat, 97. Idaho, Cceur d’Alene district: Calkins, 182. 1 Contact phenomena— Continued. Massachusetts, Newburyport: Clapp and Ball, 229. Nevada, Silver Peak quadrangle: Turner, 1156. Convexity of hilltops: Gilbert, 451. Coon Butte: Merrill, 855. Copper. General: Emmons, 378. Copper in sandstone: Jenks, 620. Garnet contact deposits, depths at which formed: Keyes, 654. Alaska, Kenai Peninsula: Grant and Higgins, 486. Kotsina-Chitina region: Moffit and Maddren, 875. Kotsina-Chitina, Chistochina, and Valdez Creek regions: Moffit, 873. Latouche Island: Lincoln, 768. Nabesna-White River district: Moffit and Knopf, 874. Prince of Wales Island: Scott, 1042. Prince William Sound: Grant and Higgins, 485; McCormick, 793. southeastern: Wright, 1290. White River district: Lewington, 765. Arizona, Banner mining district: Brooks, 152. Copper Creek district: Sibley, 1062. Globe: Sivyer, 1067. Johnson and Dragoon districts: Dinsmore, 342. Miami mine: Herrick, 545. Miami-Inspiration ore zone: Tolman, 1152. Mohave County: Schrader, 1034. Ray chalcocite deposits: Tolman, 1151. Ray copper district: Truesdell, 1155. Ray mines: Herrick, 544. Silverbell deposits: Tolman, 1153. southern: Tolman, 1150. British Columbia, Mother Lode mine: Allen, 18. Osoyoos and Similkameen districts: Camsell, 193. Phoenix, Granby Consolidated: Allen, 19. Slocan district: Le Roy, 762. Texada Island: McConnell, 792. Vancouver Island: Clapp, 228. California, Shasta County: Packard, 925. Canada: Young, 1297. Colorado, Montezuma district, Summit County: Patton, 943. Idaho, Coeur d’Alene district: Rowe, 1016. Jamaica: Outerbridge, 921, 922. Mexico: Balarezo, 55. Chihuahua, Terrazas: Baron, 67. Guerrero, Cerro Seco: Paredes, 938. Jalisco, Magistral district: Babb, 44. Michoacan: Bigot, 114. Zacatecas, Concepcion del Oro district: Chase, 221 . Michigan: Hore, 592; Lane, 729. Nevada, Humboldt County: Ransome, 980, 981. Ely: De Kalb, 333. Lida district: Root, 1015. Mason mining district, Lyon County: Zehr- ing, 1302. White Pine district: Larsh, 738. Yerington: Jennings, 625; Ransome, 979. 124 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Copper— Continued. New Jersey: Kiimmel, 686. New Mexico, Black Range mining district: Wright, 1294. North Carolina: Pratt, 964. Gold Hill district: Laney, 735. Nova Scotia, Cape Breton Island, South Cheti- camp: Grandin, 481. Oregon, Grants Pass: Diller and Kay, 340. Porto Rico: Hamilton, 505. Quebec: Dresser, 361. Opasatika Lake district: Cirkel, 225. United States: Lindgren, 772; Odendall, 905; U. S. G. S., 1170. Utah, Bingham district: De Kalb, 335; Mac- Farlane, 804. Box Elder County: Higgins, 559. Utah copper mine: De Kalb, 334. Vermont, Orange County: Fay, 391; Judson, 640. Virginia, Greene County: Haney, 506. Wisconsin, southwestern: Cox, 289. Yukon: Cairnes, 179. Whitehorse belt: McConnell, 791; Stutzer, 1121 . Corals. See Anthozoa. Correlation. See Stratigraphic. Corundum. Canada: Young, 1297. Cotylosauria: Moodie, 876. Crazy Mountains, glaciation: Mansfield, 813. Cretaceous. General. Paleogeographic map: W illis, 1256. Stratigraphy. Alaska, Kotsina-Chitina region: Moffit and Maddren, 875. Alberta: Dowling, 352. British Columbia, Vancouver Island: Clapp, 228. California, Coalinga district: Arnold, 31. McKittrick-Sunset district: Johnson, 631. Santa Cruz quadrangle: Branner et al., 138. Canada: Dowling, 350. Ceratops beds: Stanton, 1094. Colorado: Martin, 819. Book Cliffs region: Richardson, 1000. Florence oil field: Washburne, 1206. Grand Mesa coal field: Lee, 743. Hahns Peak region, Routt County: George and Crawford, 446. north central: Henderson, 536. northwestern: Gale, 433. southern: Gardner, 437. Georgia: Veatch, 1184. Laramie formation and Shoshone group: Cross, 294. Louisiana, northwestern: Harris et al., 514. Magothy formation on the Atlantic islands: Bibbins, 113. Mesozoic invertebrate faunas: Stanton, 1094. Mexico, Chihuahua, Las Plomosas: Burrows, 171. Coahuila: Aguilera, 10. Guanajuato district: Botsford, 129. Ixmiquilpan Valley, Hidalgo: Paredes, 940. Cretaceous— Continued. Stratigraphy— Continued. Mexico, Chihuahua, etc.— Continued. Rio Nazas region: Burckhardt and Villarello, 166. Montana: Pepperberg, 948. Bull Mountain coal field: Richards, 997. Crazy Mountains: Stone, 1115. Fort Peck Indian Reservation lignite field: Smith, 1076. Great Falls region: Fisher, 396,397. Lewiston field: Calvert, 185. Milk River coal field: Pepperberg, 949. Sweetgrass County: Douglass, 348. New Jersey: Kiimmel, 682. Philadelphia distriet: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. New Mexico, .Gallina-Raton Spring coal field: Gardner, 436. Gallup-San Mateo field: Gardner, 438. northern: Gardner, 437. Raton field: Lee, 744. North Carolina: Stephenson, 1098. North Dakota, northeastern: Barry and Mel- sted, 70. Oklahoma, Madill oil pool: Taff and Reed, 1132. South Dakota: Darton, 307. Aberdeen-Redfield district: Todd, 1146. Black Hills region: Darton, 306. Belle Fourche quadrangle: Darton and O’Harra, 312. Texas: Harris, 512. chalk formations: Gordon, 465; Hill, 563. El Paso quadrangle: Richardson, 998. Utah, Book Cliffs region: Richardson, 1000. northeastern: Gale, 433. southern: Richardson, 999. Washington, Olympic Peninsula: Reagan, 989. Wyoming, Bighorn Basin: Washburne, 1204; Woodruff, 1284. Black Hills region: Darton, 306. Glenrock coal field: Shaw, 1054. Great Divide Basin coal field: Smith, 1077. Laramie Basin: Darton and Siebenthal, 313. Little Snake River coal field: Ball, 57. Sweetwater County: Schultz, 1039. Paleontology. Araucariopitys: Jeffrey, 617. California, Coalinga district: Arnold, 31. •Colorado, amber in Laramie: Cockerell, 263. Echinoids from Ripley group of Mississippi: Slocom, 1069. Flora of Atlantic coastal plain: Berry, 105. Floras of Virginia and North Carolina: Berry, 109. Mesozoic invertebrate faunas: Stanton, 1094. Mexico: Aguilera, 8. Montana, crocodile from Judith River beds: Holland, 586. New York, Cretaceous coniferous remains from Kreischerville: Hollick and Jeffrey, 588. Pines, leaf structure of: Jeffrey, 618. Saurian from the Niobrara: Wieland, 1250. Crinoidea. See also Echinodermata. Jurassic: Springer, 1090. Periglyptocrinus priscus, ornamentation of: Parks, 942. INDEX, 125 Crinoidea— Continued. Permian crinoid fauna, Texas: Weller, 1220. Troost’s crinoids of Tennessee: Wood, 1280. Uintacrinus socialis: Bassler, 81. Cryolite. United States (general): U. S. G. S., 1170. Cryptograms. See Paleobotany. Crystallography. General : Wadsworth, 1195. Alamosite, Mexico: Palache and Merwin, 931. Albite: Grosspietsch, 497. Arizonite: Palmer, 934. Benitoite: Baumhauer, 85; Hlawatsch, 578-580; Louderback, 781; Palache, 929. Calamine crystals from Organ Mountains, New Mexico: Ford and Ward, 419. Calcite: Pogue, 958. from Kelly’s Island: Ford and Pogue, 417. from New Jersey trap region: Whitlock, 1242. Calomel from Texas: Goldschmidt and Mauritz, 459. Chalcophyllite: Palache and Merwin, 932. Classification of crystals: Swartz, 1126. Connellite: Palache and Merwin, 932. Crystals, classification of: Swartz, 1126. Datolite, New Jersey: Ford and Pogue, 418. Greenland minerals: Boggild, 124. Hastingsite from Ontario: Graham, 480. Iodyrite: Kraus and Cook, 6S1. Leadhillite: Palache and La Forge, 930. Mercury minerals from Terlingua, Texas: Hille- brand and Schaller, 565. Minerals from Chester, Mass.: Palache and Wood, 933. Neptunite: Ford, 416. Optical mineralogy, elements of: Winchell and W inchell, 1273. Pyrite carrying gold and galena of unusual habit: Pogue, 959. Pyrite from Utah: Rogers, 1010. Pyromorphite: Bowles, 131. Cuba. See also West Indies. Economic. Iron ores, residual brown: Weld, 1217. Curasao: Cleland, 241. Cycads, fossil: Wieland, 1251. Daemonelix, origin: Riggs, 1004. Dawsonite: Graham, 478. Definitions. See Nomenclature. Deformation. Earth’s rotation, bearing on deformation: Chamberlin, 214. Deinosuchus hatcheri: Holland, 586. Delaware. General. Philadelphia district: Bascom ct al., 74. Deltas. Experiments in delta formation: Smith, 1070. Denudation. See also Erosion. Rate of, error in estimating: Free, 427. Deposition. See Sedimentation. Deposition of ores. See Ore deposits, origin. Desert, lineaments of: Keyes, 661. Desert varnish: Surr, 1125; Turner, 1156. Deserts. Colorado Desert: Mendenhall, 848. Devonian. General. Evolution of North America: Grabau, 472. Paleogeographic map: Willis, 1256. Correlation. New York, Watkins Glen-Catatonk district: Williams et al., 1255. Stratigraphy . Alaska, Fortymile quadrangle: Prindle, 969. British Columbia, Vancouver Island: Clapp, 228. Canada: Dowling, 350. maritime provinces: Matthew, 832. Colorado, Ouray limestone: Kindle, 666. Gaspe sandstone, age of: Williams, 1254. Georgia: Veatch, 1184. Illinois, northwestern: Carman, 198. Iowa, eastern: Carman, 198. Kentucky, Blue Grass region: Matson, 827. Louisville region: Bassler, 80. Missouri, central: Greger, 491. New Brunswick: Wilson, 1268. New Jersey: Kiimmel, 682. New York, Watkins Glen-Catatonk district: Williams et al., 1255. Ohio: Stauffer, 1096. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Wisconsin: Cleland, 242. Paleontology. Colorado, Ouray limestone: Kindle, 666. Devonian and Mississippian faunas: Weller, 1219. Dinichthyid armor plates from Marcellus shale of New York: Smith, 1072. Missouri, central: Greger, 491. Montana, red shales fauna: Raymond, 982. Nettleroth collection: Bassler, 80. New York, Watkins Glen-Catatonk district: Williams ct al., 1255. Ohio: Stauffer, 1096. Paleozoic floras: White, 1231. Diamonds. Arkansas: Arkansas D. Co., 29; Branner, 137; Eberle, 369; Fuller, 431; McCourt, 794; Millar, 858. Diastrophism as the ultimate basis of correlation: Chamberlin, 216. Diatomaceous earth. Florida: Sellards, 1049. Nevado, Reno region: Anderson, 25. j Diatoms. Diatomaceous dust on the Bering Sea ice floes: Kindle, 668. Dikes. Black dikes: Lakes, 722. California, Santa Cruz quadrangle: Branner el al., 138. Colorado, Sugarloaf district, Boulder County: Crawford, 290. New York, Brewster iron district: Koeberlin, 679. in the Hamilton shale: Smith, 1073. 126 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909 . D ikes — Continue d. North Carolina, Gold Hill district: Laney, 735. Sandstone, Rockwall, Texas: Paige, 928. Spheroidal weathering of dikes: Kemp, 645; Villars, 1193. Dinichthyid armor plates from the Marcellus shale: Smith, 1072. Dinichthyids from northern Ohio: Branson, 140. Dinosauria, classification and phylogeny: Huene, 607. Dinosaurs, Cretaceous iguanadont: Osborn, 917. Dioposide and its relations to calcium and mag- nesium metasilicates: Allen and White, 20 . Diopside and related minerals: Day, 325. Dip and pitch: Raymond et al., 988. Diplocaulus: W illiston, 1258. Dislocations. See Faulting. Distribution. See Geographic distribution. Domes, origin: Harris, 512. Drainage changes. General: Scheflel, 1032. Intercision, a drainage modification: Gold- thwait, 460. Illinois, Danville region: Wegemann, 1214. northwestern: Carman, 198. Iowa, eastern: Carman, 198. Kansas: Todd, 1147. New York, central: Fairchild, 385, 389. eastern: Cook, 283. south and west of the Adirondacks: Fair- child, 388. Watkins Glen-Catatonk district: Williams et al., 1255. North America, eastern: Grabau, 473. North Dakota, Jamestown-Tower district: Wil- lard, 1253. Ohio, Licking County: Carney, 200; Mather, 824; Scheflel, 1032. Ontario, southwestern: Taylor, 1140. Pennsylvania, western: Hice, 555. Drift. See Glacial geology. Dromomeryx: Douglass, 349. Dunes. General : Carman, 198. Clay dunes: Coffey, 265. Dynamic and structural (general). For regional, see the various States. See also Caves, Changes of level, Concretions, Deforma- tion, Deltas, Domes, Drumlins, Dunes, Earth, genesis of, Earthquakes, Erosion, Eskers, Faulting, Folding, Geysers, Gla- ciers, Isostasy, Karsts, Landslides, Mag- mas and intrusions, Marshes, Metamor- phism, Mounds, natural, Natural bridges, Orogeny, Pebbles, Sedimentation, Shore lines, Sink holes, Temperature, Terraces, Thermal waters, Uncomformity, Valleys, Volcanoes, Weathering. Coal, rate of deposition: Ashley, 37. Delta experiments: Smith, 1070. Dynamic and structural— Continued. Equilibrium between carbon dioxide of atmos- phere and calcium compounds of water: Stieglitz, 1109. Flow of rocks: Adams, 1. Gases in rocks: Chamberlin, 213. Ice ramparts: Griggs, 495. Mangroves in southern Florida, geologic work of: Vaughan, 1183. Slickensides: Lawson, 739. Unconformities, valuation of: Blackwelder, 116. Earth, genesis of. See also Dynamic and struc- tural (general). Earth’s rate of rotation and bearing on defor- mation: Chamberlin, 214. History of the earth: See, 1044. Meteorites, composition of: Merrill, 856. Earth, interior of. General: Carter, 208; Wiechert, 1248. Earthquakes. General: Carter, 208, 209; Gill, 452; Hixon, 575; Reid, 993. Earthquakes and firedamp: 1303. Effect of earthquakes on deep underground water circulation: Yeandle, 1296. Harvard seismographic station report: Jag- gar, 616; Woodworth, 1287. Mine explosions and earthquakes: Spalding, 1088. Records, Albany, New York: Clarke, 240. Seismic disturbances and coal mine explo- sions: Stow, 1120. Seismic geology, evolution and outlook: Hobbs, 582. Seismological notes: Reid, 993. Causes, Hobbs, 582; Hovey, 594. Causes and effects: Hovey, 594. Charleston: Hovey, 594. Forecasting: Gilbert, 450. Hawaii: Hitchcock, 572. Jamaica, Kingston earthquake: Hovey, 594; Marvin, 823. Mexico, catalog of earthquakes, 1904-1908: Aguilera, 7. in 1909: Mexico, I. G., 857. San Francisco: Bogdanovich, 123; Hovey, 594; Klautsch, 672; Kolderup, 680. cause: Reid, 993. earth movements associated with: Oldham, 908. Echinodermata. See also Asteroidea, Blastoidea, Crinoidea, Cystoidea, and Echinoidea. Mesozoic and Cenozoic distribution: Clark and Twitchell, 238. Echinoidea. Mississippi, Ripley group: Slocom, 1069. Tertiary, from California: Pack, 923. Economic (general). For regional, see the various States. See also Ore deposits, origin, and the particular products. Black dikes: Lakes, 722. Contributions to economic geology, 1908, part I: Hayes, 527. Demonstrating ore formations, new method for: Nicholas, 895, INDEX. 127 Economic — Continued. Depth and continuity of fissure veins: Lakes, 723. Folding of rock strata: Nason, 890. History of economic geology in the United States: Emmons, 377. Investigations of metalliferous ores in 1908: Lindgren, 770. Investigations of nonmetalliferous mineral re- sources and iron ores, 1908: Hayes, 528. Mineral production, 1908: U. S. G. S., 1170. Mineral wealth of the Cordilleras: Raymond and Ingalls, 986. Minerals of New England States: Kemp ton, 648. Mining terms, definitions: Merrill, 853. Ore, definition of: Adams, 5; Herzig, 548; Hills, 567; Kemp, 644; Smith, 1079. Ore deposition, development of theories of: Emmons, 377. Ore deposits connected with placers: Alderson, 15. Ore shoots: Jennings, 626; Lindgren, 769. Organic matter in mines, veins, and ore deposits: Lakes, 698. Specific volume of ore: Mead, 842. Vein and its apex: Finch, 395. Educational. See also Textbooks. Apparatus for instruction in geography and structural geology: Hobbs, 583. College unit in physical geography: Marbut, 814. Geography at the University of Wisconsin: Martin, 822. Laboratories for physical geography: Wright, 1289. Laboratory for physiography: Stearns, 1097. Laboratory for topographic work: Mead and Martin, 843. Laboratory manual in physical geography: Hopkins and Clark, 590. Laboratory methods for geography: Hobbs, 584. Physical geography in the secondary school: Fenneman, 393. Physiography in the high school: Fairbanks, 384. Elevation and subsidence. See Changes of level. El Paso quadrangle, Texas: Richardson, 998. Emery. New York: Newland, 894. Enstatite and clinoenstatite: Wright, 1291. Entelodontidse, revision of: Peterson, 951. Eocene. See Tertiary. Eolian erosion, base level of: Keyes, 655. Erosion. See also Sedimentation and Glacial ero- sion. Arizona, southern bolson region: Tolman, 1150. Concentration versus transportation: Shattuck, 1053. Convexity of hilltops: Gilbert, 451. Denudation in the United States: Dole and Stabler, 345, 346. Erosion channels, Paleozoic: Ulrich, 1167. Glacial erosion in America: Carney, 201. Erosion— Continued. Great Basin ranges, erosional origin of: Keyes, 652. Illinois, northwestern: Carman, 198. Iowa, eastern: Carman, 198. Missouri River shifting: Duncanson, 364. Nantucket shorelines: Gulliver, 500. Physiographic processes: Fenneman, 392. St. Vincent Island, Wallibu and Rabaka gorges: Hovey, 597. Valleys, formation of: Hovey, 593. Weathering and erosion as time measures: Lev- erett, 763. Erratic bowlders. Bowlder deposits in mid-Carboniferous marine shales: Taff, 1131. Eruptive rocks. See Igneous and volcanic rocks. Essays. See Addresses. Eskers. New York, Watkins Glen-Catatonk district: Williams et al., 1255. Eurypterida: Clarke, 240. Everglades. Florida, southern: Sanford, 1025. Faulting. General. Faulting, experimental demonstration: Reid. 993. Fissures, laws of: Stevens, 1104. Geometry of faults: Reid, 992. Nomenclature: Reid, 992. Arizona, Grand Canyon district: Johnson, 629. California, Santa Cruz quadrangle: Branner et al., 138. Colorado, Aspen: Spurr, 1092. Earth movements associated with San Fran- cisco earthquake: Oldham, 908. Faults in seashore cliffs: Lakes, 699. Great Basin ranges: Keyes, 663. Idaho, northern: Calkins, 181. Maryland, Piedmont region: Mathews and Grasty, 825. Mexico, fault zones: Bose, 128. Missouri, southeastern: Buckley, 158. Montana, northwestern: Calkins, 181. Nevada, Tonopah district: Burgess, 167. New Jersey, Trenton quadrangle: Bascom et al., 75. New York, Trenton Falls: Miller, 867. Oregon, Cracker Creek district: Pardee, 937. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Trenton quadrangle: Bascom et al., 75. Rocky Mountain faults: Washburne, 1207. Texas, El Paso quadrangle: Richardson, 998. Virginia, Piedmont region: Mathews and Grasty, 825: southwestern: Bassler, 78. Feldspar. New York: Newland, 894. Ontario: Morsack, 886. United States (general): U. S. G. S., 1170. Fern Glen fauna: Weller, 1218, 1221. Field work. Handbook for field geologists: Hayes, 525, 128 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Fishes. See Pisces. Florida. General. Keys, geology of: Vaughan, 1182. State geologist’s report: Sellards, 1048. Economic. Clays: Matson, 828. Fuller’s earth deposits of Gadsden County: Sel- lards and Gunter, 1050. Mineral industries: Sellards, 1049. Phosphate deposits: Van Horn, 1179; Stone, 1114. Physiographic. General: Matson and Clapp, 829. Southern Florida: Sanford, 1025. Stratigraphic. Southern Florida: Sanford, 1025. Stratigraphy: Matson and Clapp, 829. Flow of rocks' Adams, 1. Fluorspar. Colorado: Burchard, 165. Kentucky: Fohs, 415. United States (general): U. S. G. S., 1170. Folded strata, Trenton Falls: Miller, 867. Folding. General: Nason, 890. Mexico: Nason, 890. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Foraminifera. Carboniferous, Illinois: Bagg, 46. Fossils. See Paleontology. Fuller’s earth. Florida, Gadsden County: Sellards and Gun- ter, 1050. Ganister. Pennsylvania, Blair County: Butts, 177. Garnet. New York: Newland, 894. Gas. See Natural gas. Gases in rocks: Chamberlin, 213. Gastropoda. See also Mollusca. Auburn chert fauna, Missouri: Branson, 139. California, Coalinga district, Cretaceous and Tertiary: Arnold, 31. Carinifex from Santa Clara lake beds, California: Hannibal, 507. Fulgur, ge'nesis of: Maury, 841. Gems. See Precious stones. Genesis of ores. See Ore deposits, origin. Geochemistry. Chemical work of U. S. Geological Survey: Clarke, 239. Geogenesis. See Earth, genesis of. Geographic distribution. Pacific Coast Tertiary faunas: Arnold, 32. Pleistocene Mammalia: Hay, 524. Tertiary land connection between North and South America: Scharff, 1030. Tertiary faunas: Dali, 299. Geologic formations, nomenclature: Keith, 642. Geologic formations described. See list p. 160. Geologic formations, tables. See Stratigraphic, Tables of formations. Geologic history. See also Paleoclimatology and Paleogeography. Paleozoic. Ordovicic, Siluric, and Devonic: Grabau, 472. Post- Paleozoic. Tertiary, Pacific coast: Arnold, 32. of western North America: Osborn, 913. Regional. Alaska, Fortymile quadrangle: Prindle, 969. Arkansas, Ouachita Mountains: Purdue, 972. California: Forstner, 421; Smith, 1084. Santa Cruz quadrangle: Branner et al., 138. Canada: Young, 1297. Colorado, north central: Henderson, 536. Florida: Matson and Clapp, 829. Illinois, northwestern: Carman, 198. St. Louis area: Fenneman, 392. Iowa, eastern: Carman, 198. Kansas, Carboniferous: Beede, 91. Maine, southern: Clapp, 230. Massachusetts, Boston and vicinity: Crosby, 293. Mexico, Ixmiquilpan Valley, Hidalgo: Paredes, 940. Missouri, St. Louis area: Fenneman, 392. southeastern: Buckley, 158. Montana, Cretaceous and Tertiary: Stanton, 1094. Nevada, Goldfield district: Ransome, 976. Tonopah district: Burgess, 167. New Brunswick: Matthew, 832. New Jersey, Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 74. New Mexico, Rio Grande region: Lee, 745. New York, Watkins Glen-Catatonk district: Williams et al., 1255. North Carolina, Davidson County: Pogue, 960. North Dakota: Leonard, 759. Nova Scotia: Matthew, 832. Oklahoma, Carboniferous: Beede, 91. Ontario, Lake Nipigon region: Wilson, 1262. Lake Wendigokan region: Moore, 884. Pleistocene: Coleman, 269. Pacific Coast, Tertiary: Arnold, 32. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Philadelphia district: Bascom etal.. 74. Trenton quadrangle: Bascom et al., 75. South Dakota, Aberdeen-Redfield district: Todd, 1146. Black Hills region: Darton, 306. Belle Fourche quadrangle: Darton and O’Harra, 312. Texas, El Paso quadrangle: Richardson, 998. Wyoming, Black Hills region: Darton, 306. Cretaceous and Tertiary: Stanton, 1094. Laramie region, Cenozoic: Blackwelder, 117 Geologic maps. Alaska, Chignik Bay coalfield: Atwood, 41. Cook Inlet region: Atwood, 41. Copper Mountain region: Wright, 1290. Fairbanks region: Prindle and Katz, 970. Fortymile quadrangle: Prindle, 969. INDEX. 129 Geologic maps— Continued. Alaska— Continued. Herendeen Bay coal field: Atwood, 41. Prince of Wales Island, Kasaan Peninsula: Wright, 1290. Yakutat Bay region: Tarr and Butler, 1138. Alberta: Dowling, 352. coal areas: Dowling, 350. Arizona, Tumamoc Hills: Tolman, 1148. western: Schrader, 1034. Arkansas: Purdue, 972. Ouachita Mountains: Purdue, 973. California, Santa Cruz quadrangle: Branner et al., 138. southern, artesian basins: Mendenhall, 844. Canada, occurrence of economic minerals: Young, 1297. Cenozoic mammal horizons of western North America: Osborn, 913. Coal fields of United States: Campbell, 190. Colorado, Book Cliffs coal field: Richardson, j 1000 . Boulder County: George, 445. Boulder County, Sugarloaf district: Crawford I 290. Canyon City embayment: Washburne, 1206. j Grand Mesa coal field: Lee, 743. Gunnison County, southeastern: Hill, 562. Leadville quadrangle, Pleistocene geology: I Capps, 196. Montezuma district, Summit County: Pat- ton, 943. north central: Henderson, 536. northwestern: Gale, 433. southern: Gardner, 437. Sugarloaf district, Boulder County: Craw- ford, 290. Taylor Peak district: Harder, 509. Whitepine district: Harder, 509. Connecticut, Lighthouse granite: Ward, 1201. Florida: Matson and Clapp, 829. Georgia: Veatch, 1184. fossil iron ores: Ball, 58. northwestern: Ball, 58. Greenland, east: Nordenskjold, 900. Idaho, northern: Calkins, 181. Illinois, Cordova quadrangle: Carman, 198. St. Louis area: Fenneman, 392. Savanna quadrangle: Carman, 198. Iowa, Cordova quadrangle: Carman, 198. Savanna quadrangle: Carman, 198. Kansas: Haworth et al., 519. Kentucky, Blue Grass regiqn: Matson, 827. Lake Superior region: Brinsmade, 143. Louisiana-Texas salines: Harris, 512. Maine, southern: Clapp, 230. Manitoba, coal areas: Dowling, 352. Massachusetts, Boston Harbor and Charles River estuary: Crosby, 293. Mexico, Guanajuato district: Villarello et al., 1192. Queretaro: Paredes, 939. Missouri, St. Louis area: Fenneman, 392. southeastern: Buckley, 158. Geologic maps— Continued. Montana, Bull Mountain coal field: Richards, 997; Woolsey, 1288. Crazy Mountains: k Stone, 1115. Custer National Forest: Wegemann, 1215. Fort Peck Indian Reservation lignite field: Smith, 1076. Great Falls region: Fisher, 396, 397. Lewistown coal field: Calvert, 184, 185. Miles City coal field: Collier and Smith, 274. Milk River coal field: Pepperberg, 949. northwestern: Calkins, 181. Red Lodge coal field: Woodruff, 1283. Sentinel Butte lignite field: Leonard and Smith, 761. Nevada, De Lamar district: Miller, 802. Goldfield district: Ransome, 976. Tonopah district: Burgess, 167. White Pine mining district: Larsh, 738. Newfoundland: Howley, 604. New Jersey, Philadelphia district: Bascom et al., 74. New Mexico, Gallina-Raton Spring coal field: Gardner, 436. HanoVer iron district: Paige, 926. northern: Gardner, 437. New York: Leighton, 755. Brewster district: Koeberlin, 679. Geneva-Ovid quadrangles: Luther, 786. glacial lake succession: Fairchild, 385. New York City: Berkey, 101; Gratacap, 487. Remsen quadrangle: Miller, 867. Watkins Glen-Catatonk district: Williams et al., 1255. North Carolina, Davidson County, Cid mining district: Pogue, 960. North Dakota, Fort Berthold Indian Reserva- tion lignite field: Smith, 1075. Sentinel Butte lignite field: Leonard and Smith, 761. Washburn lignite field: Smith, 1074. Ohio: Ohio G. S., 906. Oil and gas fields, 1908: Day, 328. Oklahoma, Madill oil pool: Taff and Reed, 1132. Ontario, Algoma and Thunder Bay districts: Wilson, 1267. Black Sturgeon Lake region: Coleman, 267. eastern: Adams and Barlow, 4. Gowganda district: Collins, 276. Gowganda' and Miller lakes area: Burrows, 169. Lake Nipigon-Clay Lake region: Collins, 277. Lake Wendigokan region: Moore, 884. Oregon, Cracker Creek mining district: Pardee, 937. Harney Basin region: Waring, 1202. Portland: Darton, 308. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Philadelphia district: Bascom et al., 74. pre-Cambrian, Lake Superior region: Van Hise and Leith, 1178. of North America: Van Hise and Leith, 1178. Quebec, iron ore deposits: Cirkel, 223. 56693°— Bull. 444—10 9 130 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Geologic maps— Continued. Saskatchewan, coal areas: Dowling, 350. South Dakota: Darton, 307. Aberdeen-Redfleld district: Todd, 1146. Black Hills region: Darton, 306. Belle Fourche quadrangle: Darton and O’Harra, 312. Texas, El Paso quadrangle: Richardson, 998. Utah, Book Cliffs coal field: Richardson, 1000. northeastern: Gale, 433. Salt Lake quadrangle: Atwood, 40. southern, coal fields: Richardson, 999. Uinta Mountains, glacial: Atwood, 40. Washington, coal areas: Tarr, 1134. Olympic Peninsula: Reagan, 989. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Wyoming, Bighorn Basin coal field: Wash- burne, 1204; Woodruff, 1284. Black Hills region: Darton, 306. Glenrock coal field: Shaw, 1054. Great Divide Basin coal field: Smith, 1077. Laramie Basin: Darton and Siebenthal, 313. Little Snake River coal field: Ball, 57. Rock Springs coal field: Schultz, 1039. Sheridan coal field: Taff, 1129. Geologic materials, classification of: Grout, 498. Geologic time. Glacial time: Upham, 1171. Geological surveys. See Surveys. Geometry of faults: Reid, 992. Geomorphogeny. See Physiographic. Geomorphology. See Physiographic. Geomorphy. Earth’s plan: Taylor, 1141. Georgia. Economic. Chattanooga district, iron: Higgins, 556. Clay deposits: Veatch, 1184. Clinton iron ore in Chattanooga region: Bur- chard, 164. Fossil iron ore deposits: Ball, 58. Gold deposits: Jones, 638. Manganese deposits: Watson, 1210. Mineralogy. Pickens County meteorite: McCallie, 790. Thomson meteorite: Merrill, 854. Gilsonite. Distribution and mode of occurrence: Lakes, 708. Glacial deposits, metamorphism of: Carney, 200. Glacial erosion. General: Carney, 201. Alaska, Yakutat Bay region: Tarr, 1136. Hanging valleys: Johnson, 630. New York, southwestern Adirondacks: Miller, 868 . Watkins Glen-Catatonk district: Williams et al., 1255. Ohio, Kelley’s Island: Carney, 205. Glacial geology. See also Quaternary. General. Discrimination of glacial drift sheets: Alden, 12, 13. Glacial geology — Continued. General— Continued. Glacial drift sheets discriminated: Alden, 12, 13. Huronian ice age: Coleman, 271, 272; Knight, 674. Lake Agassiz: Upham, 1172. Metamorphism of glacial deposits: Carney, 200 . Pleistocene physical geography: Salisbury, 1024. Weathering and erosion as time measures: Leverett, 763. Alaska, Yakutat Bay region: Tarr, 1136. Colorado, Leadville quadrangle: Capps, 196. Illinois, Des Plaines Valley: Goldthwait, 461. ' northwestern: Carman, 19S. Iowa, eastern: Carman, 198. Pleistocene problem in Iowa: Calvin, 187. western, Aftonian sands and gravels: Shimek, 1060. Kansas, drainage of Kansas ice sheet: Todd, 1147. Minnesota: Upham, 1171. Montana, Crazy Mountains: Mansfield, 813. New Jersey: Kiimmel, 682. New York, Adirondacks: Miller, 869. central: Fairchild, 385. Hudsonian and Ontarian glacier lobes: Fair- child, 387. Moravia quadrangle: Carney, 203. multiple glaciation: Fairchild, 386. Remsen quadrangle: Miller, 867. southwestern Adirondacks: Miller, 868. Watkins Glen-Catatonk district: Williams et al., 1255. North Dakota, Jamestown-Tower district: Willard, 1253. Ohio, Kelley’s Island: Carney, 205. Licking County: Carney, 200; Mather, 824; Scheffel, 1032. Ontario, Algonquin and Nipissing shore lines: Goldthwait and Jacobson, 463. drift deposits: Coleman, 269. glacial Lake Ojibway: Coleman, 268. Lake Wendigokan region: Moore, 884. Onaman iron range: Moore, 883. southwestern: Taylor, 1140. Pennsylvania, fossils in glacial drift: Millward, 870. South Dakota, Aberdeen-Redfield district: Todd, 1146. Wisconsin, deposits on bluffs of Mississippi: Squire, 1093. southeastern: Alden, 13, 14. Glacial lakes. Agassiz: Grant, 483; Upham, 1172; Willard, 1253. New York: Fairchild, 385. Watkins Glen-Catatonk district: Williams et al., 1255. Ojibway: Coleman, 268. Ohio: Carney, 202. Ontario, Lake Ojibway: Coleman, 268. St. Louis and Nemadji Lakes: Winchell, 1270. Sargent, North Dakota: Willard, 1253. Shawmut, Massachusetts: Crosby, 293. INDEX. 131 Glacial period, cause: Scharff, 1030. Glaciated rock: Corss, 286. Glaciation. Crazy Mountains of Montana: Mansfield, 813. Pre-Cambrian: Coleman, 271,272; Knight, 674. Uinta and Wasatch Mountains: Atwood, 40. Glaciers. Alaska, Kobuk glacier: Hershey, 546. Malaspina glacier region: Martin, 821. Yakutat Bay region: Tarr, 1136. Colorado, Mills moraine, Longs Peak region: Orton, 912. Greenland: Nordenskjold, 900. Montana, Crazy Mountains: Mansfield, 813. Variations of: Reid, 994. Washington, Mount Rainier National Park: Roberts, 1006. Glass sand. United States (general): U. S. G. S., 1170. West Virginia: Grimsley, 496. Glauconite: Bagg, 46. Gold. General. - Alluvial deposits, origin, character, and dis tribution: Lakes, 703. Alluvial gold: Garrison, 440. Nuggets, origin: Lakes, 704. Placers: Collins, 275. Alaska: Brooks, 148; Rickard, 1002. Fairbanks placer region: Prindle and Katz, 970. Fairhaven precinct: Henshaw, 540. Fortymile quadrangle: Prindle, 969. Gold Hill district: Maddren, 809. Haines district: Scott, 1043. Innoko district: Maddren, 810. Iron Creek region: Smith, 1086. Kenai Peninsula: Grant and Higgins, 486. Kotsina-Chitina; Chistochina, and Valdez Creek regions: Moffit, 873. Nabesna-White River district: Moffit and Knopf, 874. Nizina placer district: Moffit and Maddren, 875. Prince William Sound: Grant, 483. Ruby Creek district: Maddren, 808. Seward Peninsula: Smith, 1085. southeastern: Wright, 1290. southwestern: Atwood, 41. Yakutat Bay region: Tarr and Butler, 1138. Arizona, Calizona placers: Hedburg, 534. Greens Valley district: Hedburg, 535. Mohave County: Schrader, 1034. San Francisco district: Martin, 816. Tombstone: Shaw, 1055. British Columbia, Osoyoos and Similkameen districts: Camsell, 193. Slocan district: LeRoy, 762. Texada Island: McConnell, 792. Vancouver Island: Clapp, 228. California, Alleghany district: Martin, 817. Amador County: Storms, 1117. Grass Valley: Martin, 818. Kern County, Yellow Aster mine: Storms, 1116. Mother Lode: Storms, 1118; Turner, 1156. Gold— Continued. Canada: Young, 1297. Colorado, Breckenridge: Bradford and Curtis, 133. Fall River district, Alice mine: Herrick, 542. Gunnison County: Hill, 562. Montezuma district, Summit County: Patton, 943. Newcastle: Rickard, 1002. Routt County, Hahns Peak region: George and Crawford, 446. Georgia: Jones, 638. Idaho, central: Jellum, 619. Mexico, Arteaga district, Chihuahua: Winston, 1274. Chihuahua, Calabacillas: Geddes, 441. El Chico district, Hidalgo: Thomas, 1145. El Oro, Esperanzamine: Hindry, 570. Guanajuato district: Botsford, 129. Montezuma district, El Tigre mine: Herrick, 543. Sinaloa, San Jose de Gracia: Tays, 1143. Zacatecas, Concepcion del Oro district: Chase, 221 . Nevada, De Lamar mines, Lincoln County: Miller, 862. Goldfield district: Ransome, 976. Hornsilver district: Ransome, 977. Humboldt County: Ransome, 980, 981. Lida district: Root, 1015. Nye County, Manhattan placers: Jones, 635. Rawhide district: Gehrmann, 442; Whytock, 1245. Round Mountain, Nye County: Ransome, 978; Lbftus, 776. Tonopah: Jenney, 624; Johnson, 628. New Mexico, Black Range mining district: Wright, 1294. Sylvanite: Jones, 636. Nicaragua, Matagalpa district: West, 1223. North Carolina: Lyon, 788; Pratt, 964; Welch, 1216. Gold Hill district: Lanev, 735. Nova Scotia, Kings and Lunenburg counties: Faribault, 385. Leipsigate district: Moore, 885. West Gore: Haley, 503. Ontario, Lake Abitibi area: Baker, 52. Lake Nipigon-Clay Lake region: Collins, 277. Rainy River district: Fleming, 403. Oregon, Bohemia mining district: MacDonald, 798. Cracker Creek district: Pardee, 937. Grants Pass: Diller and Kay, 340. Rye Valley: Mathez, 826. Waldo placers: Nicol, 898. Quebec, Riviere Du Loup gold fields: Hind, 569. United Spates (general): U. S. G. S., 1170; Lindgren, 772. Utah, Box Elder County: Higgins, 559. Century and Susannah mines, Golden: Hig- gins, 560. Piute County: Higgins, 558. San Juan River: Lakes, 693. Washington, Olympic Peninsula: Reagan, 989. Grahamite. Oklahoma: TafT, 1130. 132 HELIOGRAPH Y OF NORTH AMERICAN GEOLOGY, 1909, Grand Canyon: Davis, 319. Granite. General : Surr, 1125. Structural features: Dale, 297. Maine: Villarello, 1186. New Hampshire: Villarello, 1186, New York: Newland, 894. North Carolina: Pratt, 9C4. South Carolina: Watson, 1211. United States (general): U. S. G. S., 1170. Vermont: Dale, 297. Graphite. Canada: Young, 1297. Mexico, Santa Maria mines: Hess, 554. Sonora, La Colorado: Hess, 552. New York: Newland, 894. Quebec: Brumell, 157. United States (general): U. S. G. S.,1170; Ihne, 612. Graptolites. Dendroid graptolites from Hamilton, Ontario: Bassler, 79. Dictyonema websteri: Ruedemann, 1021. Gravel. New York: Newland, 894. Oregon, Portland: Darton, 308. United States (general): U. S. G. S., 1170. Washington, Seattle-Tacoma region: Darton, 308. Great Falls region, Montana: Fisher, 397. Greenland. General. Geology and physical geography of east Green- land: Nordenskjold, 900. Paleontology. Jurassic fauna: Fraas, 423. Quaternary Mollusca: Jensen, 627. Mineralogy. Albite: Grosspietsch, 497. Minerals from basalt of east Greenland : Boggild, 124. Grenville-Hastings unconformity: Miller and Knight, 866. Guatemala. Dynamic and structural. Volcanoes: Anderson, 27. Gypsum. Canada: Young, 1297. New York: Newland, 894. Nova Scotia, Cape Breton: Tyssowski, 1160. Oklahoma: Gould, 467. South Dakota, Belle Fourche quadrangle: Dar- ton and O’Harra, 312. Black Hills region: Darton, 306. United States (general): U. S. G. S., 1170. Wyoming, Black Hills region: Darton, 306. Laramie Basin: Darton and Siebenthal, 313. Haiti. Mineral resources: Ferguson, 394. Hanging valleys: Johnson, 630. Hawaiian Islands. Dynamic and structural. Volcanoes: Hitchcock, 572. Kilauea: Hitchcock, 573. Hawaiian Islands— Continued. Dynamic and structural — Continued. V olcanoes — Conti nued . Kilauea and Mauna Loa: Brigham, 141. Ilelodus, new species: Eastman, 365. History, philosophy, etc. Economic geology in the United States: Em- mons, 377. Huronian. See Pre-Cambrian. Ice Age. See Glacial geology. Ice ages. Huronian, lower: Coleman, 271, 272. Zonal belt hypothesis: Wheeler, 1226. Icebergs: Tarr, 1136. Idaho. Economic. Central Idaho gold districts: Jellum, 619. Cceur d’Alene district: Calkins, 182; Rowe, 1016; Wiard, 1246; (review) Buckley, 161. Microstructure of ore from Frisco mine: Camp- bell, 192. Northern Idaho: MacDonald, 799. Phosphate deposits: Van Horn, 1179. Plicated veins: Lakes, 694. Vein structure in Monument mine, Lemhi County: Carr, 207. Stratigraphic. Northern Idaho: Calkins, 181. Petrology. Northern Idaho: Calkins, 181. Igneous and volcanic rocks. General. Chart of igneous rocks: Croasdale, 292. Classification, principles of: Waitz, 1197. Solidification of alloys and magmas: Aston, 39. Study of: Iddings, 611. Text-book: Iddings, 610. Alaska, Fortymile quadrangle: Prindle, 969. Iron Creek region: Smith, 1086. Kotsina-Chitina region: Mollit and Maddren, 875. Arizona, Mohave County: Schrader, 1034. Tumamoc Hills: Tolman, 1148. California, Santa Cruz quadrangle: Branner et al., 138. Colorado, Aspen: Spurr, 1092. Boulder County: Crawford, 290, 291. Hahns Peak region, Routt County: George and Crawford, 446. Montezuma district, Summit County: Pat- ton, 943. southwestern: Cross, 295. Connecticut: Gregory, 493. Lighthouse granite: Ward, 1201. Georgia: Veatch, 1184. Greenland: Nordenskjold, 900. Idaho, northern: Calkins, 181. Massachusetts, Boston region: La Forge, 690. Newburyport: Clapp and Ball, 229. Mexico: Aguilera, 9. Baja California: Wittich, 1276. Montana, Crazy Mountains: Stone, 1115. Lewistown field: Calvert, 185. northwestern: Calkins, 181. INDEX. 133 gneous and volcanic rocks— Continued. Nevada, Goldfield district: Ransome, 970. Humboldt County: Ransome, 980. Silver Peak quadrangle: Turner, 1150. New Jersey, Highlands: Bayley, 86. Trenton quadrangle: Bascom et al., 75. New Mexico, Hanover district: Paige, 926. New York, Brewster iron district: Koeberlin, 679. Watkins Glen-Catatonk district: Williams ct al., 1255. North Carolina, Davidson County: Pogue, 960. Nova Scotia, Arisaig section: Twenhofel, 1158. volcanic bombs: Poole, 961. Ontario, Gowganda district: Collins, 276. Lake Nipigon region: Wilson, 1262. Lake Superior region: Collins, 278. Oregon, Grants Pass region: Diller and Kay, 340. Harney Basin region: Waring, 1202. Portland region: Darton, 308. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Philadelphia district: Bascom et al., 74. pre-Cambrian gneisses of Piedmont plateau: Bascom, 73. Trenton quadrangle: Bascom et al., 75. South Dakota, Black Hills region: Darton, 306. Texas, F.1 Paso quadrangle: Richardson, 998. Washington, Sawtooth Range of Olympic Mountains: Arnold, 30. Wyoming, Black Hills region: Darton, 306. Sweetwater County: Schultz, 1039. Yukon, AVhitehorse belt: McConnell, 791. Iguanodon: Hay, 520. Iguanodont dinosaurs: Osborn, 917. Illinois. General. Administrative report, 1908: Bain, 49. Geological survey, work of: Bain, 47. Economic. Coal: Bain et al., 50. Coal near Duquoin: Udden, 1162, 1163. Coal resources: De Wolf, 337. Mineral production, 1908: Blatchley, 121. Natural gas in glacial drift of Champaign County: Knirk, 675. Oil and gas in St. Louis district: Wheeler, 1224. Oil in eastern Illinois: Blatchley, 122. Petroleum fields: Bain, 48. Physiographic. Danville region: Wegemann, 1214. Des Plaines Valley: Goldthwait, 461. Mississippi Valley, Savanna-Davenport: Car- man, 198. St. Louis area: Fenneman, 392. Stratigraphic. Danville region: Wegemann, 1214. Discrimination of drift sheets: Alden, 12. General notes: White, 1232. Glacial drift sheets discriminated: Alden, 12. Mississippi Valley, Savanna-Davenport: Car- man, 198. Ordovician and Silurian formations in Alexan- der County: Savage, 1027. Paleontology . Fern Glen fauna: Weller, 1218, 1221. Illinois— Continued. Paleontology — Continued. Foraminifera in the Carboniferous: Bagg, 46. Mastodon, distribution: Bagg, 45. Silurian fossils: Foerste, 411. Underground viater. Classification of mineral waters: Bartow, 71. Geological classification of the waters of Illinois: Udden, 1161. Mineral content of Illinois waters: Bartow ct al., 72. Mineral springs: Palmer, 935. Indiana. Economic. Coal deposits, supplementary report: Ashley, 35. Coal field, stratigraphy: Ashley, 36. Soil survey of Daviess County: Snider, 1087. of Dubois, Perry, and Crawford counties: Shannon, 1052. Peat: Taylor, 1139. Dynamic and structural. Caves and cave formations of the Mitchell lime- stone: Greene, 490. Stratigraphic . Waldron formation: Kindle and Barnett, 670. Paleontology . Cincinnatian fossils: Foerste, 412. Silurian fossils: Foerste, 409, 411. Waldron fauna: Kindle and Barnett, 670. Tnliers, types of: Ruedemann, 1019. Insecta. Ceropalidae from Florissant: Rohwer, 1013. Cockroaches of the Kansas coal measures and Permian: Seliards, 1046. Coleoptera from Florissant: Wickham, 1247. Diptera from Florissant: Cockerell, 250. Eocene from Colorado: Cockerell, 246, 255. Florissant, Colorado: Cockerell, 243-245, 247- 257. Generic names based on American types: Cock- erell, 258. Nemestrinidse: Cockerell, 244, 245. Permian, types of: Seliards, 1047. Syntomostylus? fortis: Cockerell, 259. Tsetse ily from Florissant: Cockerell, 252. Intercision, a drainage modification: Goldthwait, 460. Intrusions. See also Igneous rocks, Laccoliths, and Magmas. Lake Nipigon diabase sheets: Wilson, 1262. New York, Brewster iron district: Koeberlin, 679. Ontario, Lake Nipigon trap sheets: Wilson, 1262. Invertebrata (general). See also Anthozoa, Brach- iopoda, Bryozoa, Crustacea, Echinoder- mata, Foraminifera, Insecta, Mollusca, Problematica, Spongida, and Vermes. California, Coalinga district: Arnold, 30, 31. Colorado, Devonian fauna of Ouray limestone: Kindle, 666. Devonian fauna of Ouray limestone, Colorado: Kindle, 666. Devonian of Ohio: Stauffer, 1096. Fern Glen fauna: Weller, 1218. 134 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Invertebrata— Continued . Index fossils of North America: Grabau and Shimer, 477. Mesozoic invertebrate faunas: Stanton, 1094. Miocene of Astoria and Coos Bay, Oregon: Dali, 300. National Museum collections: Bassler, 81. Nettleroth collection: Bassler, 80. New Mexico, Manzano group: Girty, 458. Oklahoma, Caney shale: Girty, 457. Silurian fossils from Tennessee, Indiana, and Kentucky: Foerste,411. Washington, Olympic Peninsula: Reagan, 989. Iodyrite from Tonopah: Kraus and Cook, 681. Iowa. General. State geologist’s seventeenth report: Calvin, 189. Economic. Coal deposits: Hinds, 571. Coal analyses: Lees and Hixson, 754. Coal, bibliography of: Lees, 752. Coals, fuel values: Wilder, 1252. Coal mining, history of: Lees, 750. Coal statistics: Beyer, 111. Mineral production in 1908: Beyer, 110. Peat: Beyer, 112. Peat, bibliography of: Lees, 753. Physiographic. Mississippi Valley, Savanna-Davenport: Car- man, 198. Stratigraphic. Aftonian sands and gravels in western Iowa: Shimek, 1060. Carboniferous section of southwestern Iowa: Smith, 1080. Des Moines stage, general section of: Lees, 751. Mississippi Valley, Savanna-Davenport: Car- man, 198. Pleistocene problem: Calvin, 187. Paleontology. Aftonian mammalian fauna: Calvin, 188. Iron. Alabama, Birmingham district: Burchard, 163. Chattanooga district: Higgins, 556. Chattanooga region, Clinton ore: Burchard, 164. British Columbia, Texada Island: McConnell, 792. California, desert region: Jones, 634. Canada: Young, 1297. Colorado, Montezuma district, Summit County: Patton, 943. Taylor Peak and Whitepine deposits: Harder, 509. Cuba: Weld, 1217. Georgia: Watson, 1210. Chattanooga district: Higgins, 556. Chattanooga region, Clinton ore: Burchard, 164. fossil ore deposits: Ball, 58. Maryland: Singewald, 1066. Mexico: Aguilera, 9. Chihuahua, Naica district: Reynoso, 995. Guerrero, Aldama district: Hijar y Haro, 561. Iron— Continued. Michigan mines: Lane, 732. Lake Superior district: Brinsmade, 143. Marquette Range: Stoek, 1111. Minnesota, Lake Superior region: Brinsmade, 143. Mesabi Range: Wolff, 1278. New Brunswick, Bathurst: Young, 1298. Newfoundland: Chambers and Chambers, 219; Outerbridge, 922. New Mexico, Hanover district: Paige, 926. New York: Newland, 894. Brewster district: Koeberlin, 679. Clinton ores: Newland, 892. North Carolina: Pratt, 964. Nova Scotia: Woodman, 1282. Ontario, Black Sturgeon region: Coleman, 267. bog ore on English River: Moore, 882. Lake Nipigon-Clay Lake region: Collins, 277. Lake Superior region: Brinsmade, 143. Lake Wendigokan region: Moore, 884. Montreal River district: Collins, 279. Nipigon district: Coleman, 266. north of Round Lake: Moore, 881. Onaman Range: Moore, 881. Thunder Bay and Rainy River districts: Hille, 564. Woman River area: Allen, 17. Pennsylvania, Bloomsburg ore: Van Ingen, 1181. Clinton ores, Stone Valley: Kelly, 643. Mercersburg-Chambersburg district: Stose,1119. Porto Rico: Hamilton, 505. Quebec: Cirkel,223. chrome ore: Cirkel, 224. South Dakota, Black Hills: Cooledge and Overs- peck, 284. Tennessee, Chattanooga district: Higgins, 556. Chattanooga region, Clinton ore: Burchard, 164. Texas: Linton, 775. Llano County: Phillips, 955. United States (general): U. S. G. S., 1170; Hayes, 529. iron-ore supply: Hayes, 526. Virginia, Appalachian region: Harder, 510. West Virginia: Grimsley, 496. Wisconsin, Lake Superior district: Brinsmade, 143. Spring Valley, brown ores: Allen, 16. Isostasy. Figure of the earth: Hayford, 530. Jamaica. General. Caribbean region, geological connections: Gup- py, 502. Economic. Copper mines: Outerbridge, 921. Mineral resources: Outerbridge, 922. Dynamic and structural. Kingston earthquake: Hovey,594; Marvin, 823. Jamestown-Tower district, North Dakota: Wil- lard, 1253. Jointing. General: Buckley, 158. INDEX. 135 Juglandacese from Pleistocene of Maryland: Berry, 106. Jurassic. General: Fraas, 425. Mesozoic invertebrate faunas: Stanton, 1094. Paleogeographic map: Willis, 1256. Stratigraphy. Alaska, Kotsina-Chitina region: Moffit and Maddren,875. California, Coalinga district: Arnold, 31. Santa Cruz quadrangle: Branner et al., 138. Canada: Dowling, 350. Colorado, north central: Henderson, 536. Greenland: Nordenskjold, 900. Montana, Great Falls region: Fisher, 396, 397. Lewistown field: Calvert, 185. Sweetgrass Cbunty: Douglass, 348. South Dakota: Darton, 307. Belle Fourche' quadrangle: Darton and O’Harra, 312. Black Hills region: Darton, 306. Utah, southern: Richardson, 999. Wyoming, Black Hills region: Darton, 306. Laramie Basin: Darton and Siebenthal, 313. Paleontology . Camptosaurus, osteology of: Gilmore, 453. Crinoid, new: Springer, 1090. Greenland: Fraas, 423. Mesozoic invertebrate faunas: Stanton, 1094. Rhynchocephalian reptile from Wyoming: Gil- more, 454. Stepheoceras from British Columbia: White- aves, 1241. Kansas. General. Fieldwork, history of: Haworth and Bennett, 517. Economic. Oil and gas: Haworth et al.. 519. Petroleum analyses: Day, 330. Stratigraphic. General: Haworth and Bennett, 518. Anthracolithic rocks of Kansas and Oklahoma: Beede, 91. Coal measures faunal divisions: Beede and Rogers, 95. Kansas ice sheet, drainage of: Todd, 1147. Lawrence shales: Yates, 1295. Marion stage formations: Beede, 90. Paleontology . Bison latifrons skull: Osborn, 916. Coal measures faunas: Beede and Rogers, 95. Cockroaches from coal measures and Permian: Sellards, 1046. Dinosaur, armored, from the chalk: Sternberg, 1101 . Euphorbiacese: Cockerell, 262. Paleozoic plants: Sellards, 1045. Pennsylvanian and Permian faunas: Beede, 93. Saurian from the Niobrara: Wieland, 1249. Toxochelys stenopora: Hay, 521. Uintacrinus socialis: Bassler, 81. Kaolin. Georgia: Veatch, 1184. Mexico, Coahuila: Castro, 212. Kentucky. Economic. Fluorspar: Fohs, 415. Stratigraphic. Bedford fauna at Indian Fields and Irvine: Foerste, 410. Blue Grass region: Matson, 827. Connection of coal fields: Miller, 859. Kentucky, Louisville region: Bassler, 80. Waverly formations: Morse and Foerste, 887. Paleontology . Bedford fauna at Indian Fields and Irvine; Foerste, 410. Cincinnatian and Lexington fossils: Foerste, 413. Cincinnatian fossils: Foerste, 412. Silurian fossils: Foerste, 409, 411. Underground water. Blue Grass region: Matson, 827. Kilauea: Brigham, 14i. Kinderhook faunal studies: Weller, 1218. Knightite: Hills, 566. Labrador. General. Northeastern Labrador: Hantzsch, 508; Uhlig, 1164. Laccoliths. Black Hills region: Darton, 306. New Mexico: Keyes, 654. Lakes. See also Glacial lakes. Divided lakes in western Minnesota: Griggs, 495. Lakes, glacial. See Glacial lakes. Lamellibranchiata. See Pelecypoda. Land bridge between northern Europe and North America: Scharff, 1030, 1031. Landslides. Alberta, Frank: Burling, 168. Colorado, San Juan Mountains: Howe, 603. Slumgullion mud flow: Cross, 296. New York, landslip in Hudson clays: Newland, 893. Ohio, near Cleveland: Van Horn, 1180. Laramie formation and Shoshone group: Cross, 294. Laurentia: Adams, 3. Lavas, Hawaiian: Brigham, 141 . Lead. Arizona, Mohave County: Schrader, 1034. British Columbia, Bear River district: Rush, 1023. Canada: Young, 1297. Colorado, Aspen: Spurr, 1092. Montezuma district, Summit County: Patton, 943. Idaho, Coeur d’Alene district: Rowe, 1016; Wiard, 1246. Massachusetts, Newburyport: Clapp and Ball, 229. Mexico, Chihuahua, Las Plomosas: Burrows, 171. Chihuahua, Naica district: Reynoso, 995. San Ygnacio: Peragallo, 950. Guerrero, Pregones district: Laguerenne, 691, 136 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Lead -Continued. Missouri: Buckley, 160; Keyes, 658. Ozark region: Buckley, 159; Keyes, 653. Ozark deposits, genesis of: Keyes, 657. St. Francois and Washington counties: Buck- ley, 158. southeast: Ruhl, 1022. Nevada, Lida district: Root, 1015. White Pine district: Larsh, 738. New Mexico, Tres Hermanas district: Lind- gren, 771. United States (general): U. S. G. S., 1170; Lind- gren, 772. Virginia: Caldwell, 180. Wisconsin: Brinsmade, 142. Leadhillite, crystallography of: Palache and La Forge, 930. Lignite. See also Coal. Alberta, Cascade basin: Dowling, 351. Montana, Fort Peck Indian Reservation field: Smith, 1076. Sentinel Butte field: Leonard and Smith, 761 . North Dakota, Fort Berthold Indian Reserva- tion field: Smith, 1075. Sentinel Butte field: Leonard and Smith, 761. southwestern: Leonard, 758. Washburn field: Smith, 1074. Saskatchewan, Cascade basin: Dowling, 351. Lime. United States (general): U. S. G. S., 1170. Limestone. Colorado: Martin, 819. New York: Newland, 894. Oregon: Darton, 308. United States (general): U. S. G. S., 1170. Washington: Darton, 308. Limestones, evolution of: Daly, 303. Locus of vadose ore deposition: Keyes, 658. Loess. Illinois, northwestern: Carman, 198. Iowa, eastern: Carman, 198. Origin: Carman, 198. St. Louis area: Fenneman, 392. Louisiana. Economic. Oil and gas in northwestern Louisiana: Harris etal., 514. Rock salt: Harris, 512. Paleontology . Fulgur, genesis of: Maury, 841. Lower Silurian. See Ordovician. Lymnaea: Baker, 51. Lysorophidae: Moodie, 876. Magmas. See also Intrusions. General : Lane, 726. Magmatic waters and volcanic action: Hixon, 574. Solidification of alloys and magmas: Aston, 39. Magnesite. United States (general): U. S. G. S., 1170. " Magnetic disturbances and the genesis of petroleum: Becker, 89. Magnetic rocks: Harris, 513. Magnetite. New Jersey: Bayley, 86. Maine. General. Kennebec River basin, geology of: Smith, 1081. Survey Commission, fifth report: 811. Economic. Blue Hill copper deposits: Emmons, 378. Deer Isle mine: Emmons, 378. Granites: Villarello, 1186. Molybdenite deposits of Tunk Pond: Hills, 566. Peat deposits: Bastin and Davis, 83. Tourmaline deposits: Wade, 1194. Physiographic. Kennebec River basin: Smith, 1081. Paleontology . Ophiuroids in glacial clay: Sayles, 1028. Shells, fossil and living, in Little Mud Lake: Nylander, 902. Underground water. Southern Maine: Clapp, 230. deep wells: Bayley, 87. Mammalia. Alaska: Quackenbush, 974. Ancodon: Matthew, 835. Apternodus and artiodactyl from Wyoming Oligocene: Matthew, 839. Bison latifrons skull: Osborn, 916. Camel from lower Miocene of Nebraska: Cook, 281. Camels of lower Miocene: Loomis, 780. Carnivores from the Miocene of western Ne- braska: Peterson, 952. Cat allied to Felis atrox: Merriam, 850. Cenozoic mammal horizons of western North America: Osborn, 913. Distribution of Pleistocene Mammalia: Hay, 524. Dromomeryx: Douglass, 349. Entelodontidse, revision of: Peterson, 951. Faunal lists of Tertiary Mammalia of the West: Matthew, 836. Ground-sloth from Colorado: Cockerell, 248. Mammoth expeditions to Alaska: Quacken- bush, 974. Pliocene of western Nebraska: Matthew and Cook, 840. Procamelus from Miocene of Montana: Doug- lass, 347. Ptilodus: Gidley, 448. Sea lion from Oregon Miocene: True, 1154. Strepsicerine antelopes: Merriam, 851. Teleoceras from Nebraska Miocene: Olcott, 907. Man, fossil. Human race, origin: Wright, 1293. Man, antiquity of: Penck, 946. Manganese. Canada: Young, 1297. Georgia: Watson, 1210. Nicaragua, Matagalpa district: West, 1223. United States (general): U. S. G. S., 1170; Harder, 511. Virginia: Ball, 58. Mangroves in southern Florida: Vaughan, 1183. INDEX. 187 Manitoba. Economic. Coal fields: Dowling, 350. Marble. Arizona, Chiricahua Mountains: Paige, 927. New York: Newland, 894. United States (general): U. S. G. S., 1170. Maps. See Geologic maps. Marl. Definition of: Stewart, 1108. New Jersey, Philadelphia district: Bascom et al., 74. Marshes. Maine: Bastin and Davis, 83. Martinique. St. Pierre and Mont Pele in 1908: Hovey, 601. Striations and U-shaped valleys: Hovey, 593. Maryland. General. Geological survey report: Clark, 234-236. Economic. Coal, upper Potomac fields: Stoek, 1112. Iron deposits: Singewald, 1066. Stratigraphic. Piedmont limestones: Mathews and Grasty, 825. Paleontology. Juglandaceae from the Pleistocene: Berry, 106. Miocene 'drumfish: Smith, 1071. Tropidoleptus fauna, recurrence of: Swartz, 1127. Turtle from Miocene: Palmer, 936. Massachusetts. General. Charles River estuary and Boston Harbor: Crosby, 293. Economic. Lead-silver deposits at Newburyport: Clapp and Ball, 229. Dynamic and structural. Subsidence of Boston Harbor: Freeman, 429. Physiographic. Nantucket shore lines: Gulliver, 500. Stratigraphic. Boston region: La Forge, 690. Petrology. Pegmatite in granite: Warren, 1203. Mineralogy. Hampden County minerals: Roe, 1009. Minerals from Chester: Palache and Wood, 933. Mastodon, distribution in Illinois: Bagg, 45. Mauna Loa: Brigham, 141. Meandering. General: Fenneman, 392. Missouri River shifting: Duncanson, 364. Megalosaurus: Hay, 520. Meetings. See Associations. Mercersburg-Chambersburg district, Pennsylvania: Stose, 1119. Mercury. See Quicksilver. Mercury minerals from Terlingua, Texas: Hille- brand and Schaller, 565. Metamorphism. Chemical composition for identifying ^ meta- morphosed sediments: Bastin, 82. Glacial deposits: Carney, 200. Metamorphosed ore deposits: Emmons, 378. Meteorites. General. Composition of stony meteorites: Merrill, 856. Probability of large meteorites having fallen upon the earth: Schwarz, 1040. Georgia, Pickens County: McCallie, 790. Guffey, Colorado: Hovey, 598. Mexico, State of Durango: Agraz, 6. Modoc: Hovey, 599. Nevada: Jenney, 621. Quinn Canyon, Nevada: Jenney, 622. Thomson, Georgia: Merrill, 854. Mexico. General. Baja California: Wittich, 1276. Chihuahua, northeastern: Rogers, 1012. Coahuila, kaolin in a coal: Castro, 212. Geology of northern Mexico: Burrows, 171. Guanajuato district: Villarello et al., 1192. Instituto Geologico de Mexico: Aguilera, 11. Ixmiquilpan Valley, Hidalgo: Paredes, 940. Oaxaca, geology of: Flores, 407. Metlacueyatl: Ordonez, 911. Sierra Nevada: Freudenberg, 430. Economic. Aldama district, Guerrero: Hijar y Haro, 561. Arteaga district: Winston, 1274. Campeche, Champoton: Urbina, 1175. Chihuahua, Calabacillas gold mine: Geddes, 441. Naica mineral district: Reynoso, 995. Santa Eulalia: Lane, 734; Merrill, 852. San Ygnacio mine: Peragallo, 950. Terrazas, copper: Baron, 67. Coahuila, carboniferous deposits: Aguilera, 10. coal: Ludlow, 784. Copper deposit in Cerro Seco, Guerrero: Pa- redes, 938. Copper in Michoacan: Bigot, 114. El Chico district, Hidalgo: Thomas, 1145. El Dorado mineral deposits: Balarezo, 56. Esperanza mine, El Oro: Ilindry, 570. Guanajuato district: Botsford, 129. Guerrero, Pregones district: Laguerenne, 691. Iron deposits: Aguilera, 9. Jalisco, Magistral copper district: Babb, 44. Mexico, Zacualpan district: Platt, 957. Mode of filling of some Mexican ore deposits: Villarello, 1191. Oaxaca, Tehuantepec district: Flores, 408. Oil fields: Day, 329. Petroleum of Dos Bocas: Villarello, 1188. Petroleum regions: Villarello, 1189, 1190. Physical and geological features of Mexico mining: Orddnez, 910. Rio Plata mine, Chihuahua: Baron, 66. San Luis Potosi, Dulces Nombres quicksilver deposit: Babb, 43. Santa Maria graphite mines: Hess, 554. Silver and copper deposits: Balarezo, 55. 138 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Mexico— Continued. Economic — Continued. Silver mines, geological formation of: Bor- deaux, 125. Sinaloa, northern: Tays, 1142. San Jose de Gracia: Tays, 1143. Sonora, El Tigre mine: Herrick, 543. La Colorado, graphite: Hess, 552. Zacatecas district: Botsford, 130. Concepcion del Oro district: Chase, 221. Zacualpam district, Mexico-Guerrero: Carpen- ter, 206. Dynamic and structural. Central plateau, origin of: Bose, 127. Earthquakes, catalog of, 1904-1908: Aguilera, 7. in 1909: Mexico I. G., 857. Effect of earthquakes on deep underground water circulation: Yeandle, 1296. Fault zone in Valley of Mexico: Bose, 128. Folding of rock strata: Nason, 890. Guerrero, cave of Cacahuamilpa: Urbina, 1174. Physiographic. Volcanoes: Inkey, 615. Yucatan, physiographic features: Urbina, 1173. Stratigraphic. Guanajuato district: Botsford, 129. Rio Nazas region: Burckhardt and Villarello, 166. Rioverde y Arroyo Seco region: Paredes, 939. Paleontology . Cretaceous fossils: Aguilera, 8. Pliocene fauna of Tuxtepec: Bose, 127. Williamsoniasof Mixtecaalta: Wieland, 1251. Petrology. General : Aguilera, 9. Granodiorite of Concepcion del Oro, Zacatecas: Bergeat, 97. Mineralogy. Alamosite, a new lead silicate: Palache and Merwin, 931. Meteorite from Durango: Agraz, 6. Underground water. Ixmiquilpan Valley, Hidalgo: Paredes, 940. Michoacan, Patzcuaro: Villarello, 1187. Queretaro. Montenegro: Villarello, 1185. Mica. Canada: Young, 1297. North Carolina: Pratt, 964. South Dakota: Sterrett, 1103. United States (general) U. S. G. S., 1170. Michigan. General. Salt water in Lake mines: Lane, 730. State geologist’s report: Lane, 727. Economic. Copper: Hore, 592; Odendall, 905. Iron fields of Lake Superior region: Brinsmade, 143. Iron mines and their mine waters: Lane, 732. Marquette Range: Stoek, 1111. Mine waters: Lane, 728, 729, 732. Tuscola County, coal: Cooper, 285. Stratigraphic. Porcupine Mountains: Lane, 731. Silurian formations in southern Michigan: Sher- zer and Grabau, 1058. Michigan— Continued. Stratigraphic— Continued. Silurian strata, nomenclature and subdivision: Lane et al., 733. Tuscola County: Cooper, 285. Paleontology . Silurian faunas in southern Michigan: Sherzer and Grabau, 1058. Underground water. Iron mines and their mine waters: Lane, 732. Microsauria, ancestors of the Reptilia: Moodie, 879. Millstones. New York: Newland, 894. Mine waters. General : Lane, 729. Mine waters, field assay: Lane, 728. Michigan, salt water in Lake mines: Lane, 730. Mine explosions and earthquakes: Spalding, 1088. Mineral paints. New York: Newland, 894. United States (general): U. S. G. S., 1170. Mineral resources, 1908: U. S. G. S., 1170. Mineral waters. Classification: Bartow, 71. Colorado: Headden, 533. Kentucky, Blue Grass region: Matson, 827. New York: Newland, 894. North Carolina, Pratt, 964. United States (general): U. S. G. S., 1170. Mineralogy {general). See also Meteorites and Technique. For regional see the various States. For particular minerals see list p. 15.9. Bement collection of minerals: Gratacap, 488. Benitoite: Hlawatsch, 578-580. paragenesis and occurrence: Louderback, 781. Binary systems of alumina with silica, lime, and magnesia: Shepherd and Rankin, 1056. Calcite crystals with new forms: Schaller, 1029. Crystallography: Wadsworth, 1195. Crystals, classification of: Swartz, 1126. Diopside and its relations to calcium and mag- nesiummetasilicates: Allen and White, 20. Enstatite and clinoenstatite: Wright, 1291; Zambonini, 1301. Nevada, Humboldt County: Ransome, 980. New Jersey, Newark igneous rocks: Levison, 764. Optical mineralogy, elements of: Winchell and W inchell, 1273. Pyrite carrying gold and galena of unusual habit: Pogue, 959. Minerals described. See list p. 159. Minnesota. General. Franconia, geology of: Berkey, 99. Economic. Clays: Berkey, 100. Iron fields of Lake Superior region: Brinsmade, 143. Mesabi Range: Wolff, 1278. Physiographic. Divided lakes: Griggs' 495. INDEX. 139 Minnesota— Continued. Stratigraphic. Glacial drift in Mississippi Valley: Upham, 1171. Mesabi rocks: Winchell, 1272. Northeastern Minnesota: Winchell, 1269. Underground water. Minneapolis, deep wells: Winchell, 1271. Miocene. See Tertiary. Miscellaneous. First calcareous fossils: Daly, 303. Geologic essentials of a mine report: De Kalb, 336. Instituto Geologico de Mexico: Aguilera, 11. Instrumental surveying needed in practical geology: Lyman, 787. Mining terms, definitions: Merrill, 853. Quartz as a geologic thermometer: Wright and Larsen, 1292. State geological survey reports on limited areas: Carney, 199. Theory and hypothesis in geology: Lahee, 692. Mississippi. Economic. Pottery clays: Logan, 778. Paleontology . Echinoids from Ripley group: Slocum, 1069. Mississippi Valley between Savanna and Dav- enport: Carman, 198. Mississippian. See Carboniferous. Missouri. General. State geologist’s report, 1907-8: Buehler, 162. Economic. Joplin zinc belt, migrations of: Keyes, 659. Lead and zinc: Buckley, 160. Lead deposits of St. Francois and Washington counties: Buckley, 158. Lead ores: Keyes, 658. Mineral resources: Buehler, 162. Ozark lead and zinc deposits: Buckley, 159; Keyes, 653. genesis of: Keyes, 657. Southeast Missouri lead district: Ruhl, 1022. Tripoli deposits at Seneca: Nelson, 891. Zinc ores: Keyes, 658. Physiographic. St. Francois and Washington counties: Buck- ley, 158. St. Louis area: Fenneman, 392. Stratigraphic. Devonian of central Missouri: Greger, 491. St. Francois and Washington counties: Buck- ley, 158. Paleontology. Auburn chert fauna: Branson, 139. Fern Glen fauna: Weller, 1218, 1221. Mineralogy. Calcite from Joplin: Pogue, 958. Mollusca. See also Cephalopoda, Gastropoda, and Pelecypoda. Bibliography of post-Eocene marine of north- west coast of America: Dali, 301. Caney shale fauna, Oklahoma: Girty, 457. Moll usca— Continued . Devonian, Montana: Raymond, 982. Eocene deposits of Claiborne, Ala.: Wheeler, 1225. Lymnaea: Baker, 5L Maine, shells in Mud Lake: Ny lander, 902. New York, Bronx Borough, fresh-water fossils: Humphreys, 608. Pliocene from Tuxtepec, Mexico: Bose, 126. Quaternary from Greenland: Jensen, 627. Washington, Olympic Peninsula: Reagan, 989. Molluscoidea. See Bracliiopoda and Bryozoa. Molybdenite. Maine, Tunk Pond: Hills, 566. Molybdenum. United States (general): U. S. G. S., 1170. Monazite. North Carolina: Pratt, 964, 966: Pratt and Ster- rett, 968. South Carolina: Pratt and Sterrett, 968. United States (genera!): U. S. G. S., 1170. Montana. General. Crazy Mountains: Wolff, 1279. Geological reconnaissance: Douglass, 348. Economic. Bridger coal field: Washburne, 1204. Bull Mountain coal field: Richards, 997; Wool- sey, 1288. Cement material near Havre: Pepperberg, 948. Crazy Mountains, coal: Stone, 1115. Custer National Forest, coal: Wegemann, 1215. Fort Peck Indian Reservation lignite field: Smith, 1076. Great Falls coal field: Fisher, 396; Shurick, 1061. Lewistown coal field: Calvert, 184, 185. Miles City coal field: Collier and Smith, 274. Milk River coal field: Pepperberg, 949. Northwestern Montana: MacDonald, 799. Red Lodge coal field: Woodruff, 1283. Roundup coal mines: Rowe, 1018. Sapphire mines: Rowe, 1017. Sentinel Butte lignite field: Leonard and Smith, 761. Stratigraphic. Cera tops beds: Stanton. 1091. Crazy Mountains, glaciation: Mansfield, 813. Great Falls region: Fisher, 396, 397. Hell Creek and Ceratops beds: Knowlton, 678. Lewistown coal field: Calvert, 185. Northwestern Montana: Calkins, 181. Paleontology. Chisternon? interpositum: Hay, 521. Crocodile from Judith River beds: Holland, 586. Devonian fauna: Raymond, 982. Procamelus from Miocene: Douglass, 347. Ptilodus: Gidley, 448. Petrology. Northwestern Montana: Calkins, 181. Philipsburg quadrangle: Calkins, 183. Underground water. Great Falls region: Fisher, 397. Mont Pete, condition in 1908: Hovey, 601. 140 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Moraines. Alaska, Yakutat Bay region: Tarr, 1136. New York, Watkins Glen-Catatonk district: Williams et al., 1255. Mount Diablo, California: Louderback, 782. Mylostomid palatal dental plates: Eastman, 367. Natron deposits. Colorado, Costilla County: Headden, 532. Nantucket shore-lines: Gulliver, 500. Natural gas. General. Anticlinal theory of accumulation: Clapp, 231. Anticlinal and hydraulic theories of accumu- lation: Munn, 888, 889. Geology of, in Appalachian regions: Bow- nocker, 132. Map of productive fields, 1908: Day, 328. Occurrence, mode of: Clapp, 232. Canada: Ells, 372; Young, 1297. Colorado: Lakes, 706. Illinois, Champaign County, in glacial drift: Knirk, 675. Kansas: Haworth et al., 519. Louisiana, northwestern: Harris et al., 514. New York: Newland, 894. North Dakota, Bottineau field: Barry, 69. United States (general): U. S. G. S., 1170; Day, 327. West Virginia, Marshall, Wetzel, and Tyler counties- Hennen, 537. Wyoming: Lakes, 706. Nebraska. Stratigraphic. Pliocene of western Nebraska: Matthew and Cook, 840. Paleontology. Agate Spring fossil quarries: Peterson, 951. Camel from lower Miocene: Cook, 281. Carnivores from the Miocene: Peterson, 952. Pliocene fauna: Matthew and Cook, 840. Proboscidean from the Miocene: Cook, 282. Teleoceras from Miocene: Olcott, 907. Turtles from Harrison beds: Loomis, 779. Nectosaurus: Moodie, 876. Nepheline syenite of Ontario: Adams and Barlow, 4. Neptunite crystals from San Benito County, Cali- fornia: Ford, 416. Nevada. General. Jefferson Canyon: Packard, 924. Economic. Asphaltite: Anderson, 24. Bullfrog district: Tallman, 1133. De Lamar mines, Lincoln County: Miller, 862. Ely, copper: De Kalb, 333. Goldfield district: Ransome, 976. Goldfield type of ores: Lewis, 766. Hornsilver district: Ransome, 977. Humboldt County: Ransome, 980, 981. Lida mining district: Root, 1015. Lyon County, oil prospecting: Anderson, 26. Manhattan district: Jenney, 623. Manhattan placers, Nve County: Jones, 635. Nevada— Continued. Economic — Continued. Mason mining district, Lyon County, copper: Zehring, 1302. Ore shoots: Chase, 220. Petroleum: MacFarland, 803. Rawhide district, Esmeralda County: Gehr- mann 442; Whytock, 1245; Wolcott, 1277. Reno region, oil prospecting: Anderson, 25. Round Mountain, Nye County: Loftus, 776; Ransome, 978. Tonopah district: Burgess, 167; Jenney, 624; Johnson, 628. White Pine district: Larsh, 738. Wonder district: Ritter, 1005. Yerington copper district: Jennings, 625; Ran- some, 979. Zinc mines of southern Nevada: White, 1235. Physiographic. Southwestern: Mendenhall, 845. Stratigraphic. Goldfield district: Ransome, 976. Silver Peak quadrangle: Turner, 1156. Tonopah district: Burgess, 167. Paleontology. Strepsicerine antelopes: Merriam, 851. Petrology. Goldfield district: Ransome, 976. Silver Peak quadrangle: Turner, 1156. Mineralogy. Goldfield district: Ransome, 976. Humboldt County: Ransome, 980. Iodyrite from Tonopah: Kraus and Cook, 681. Leadhillite: Palache and La Forge, 930. Meteor of 1894: Jenney, 622. Meteorite: Jenney, 621. Underground water. Southwestern Nevada: Mendenhall, 845. New Brunswick. General. Bathurst iron ore: Young, 1298. Tobique County: Young, 1298. Economic. Bituminous shales: Ells, 374. Mining districts: Langford, 737. Oil shales: Baskerville, 76. Phosphate deposits: Matthew, 833. Physiographic. Natural history and physiography: Ganong, 435. Stratigraphic. Cambrian rocks, new base for: Ells, 373. Devonian and lower Carboniferous: Wilson, 1268. Geological cycles in the maritime provinces: Matthew, 832. Paleontology. Fish fauna of Albert shales: Lambe, 724. Newfoundland. General. Geology and mineral resources. Howley, 605. Economic. Coal: Howley, 604. Mineral resources: Howley, 605; Outerbridge, 922; Symons, 1128. Wabana submarine slopes: Chambers and Chambers, 219. INDEX, 141 New Hampshire. Economic. Copper deposits: Emmons, 378. Granites: Villarello, 1186. New Jersey. General. Administrative report, 1908: Kiimmel, 683. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. Economic. Building stones: Lewis, 766. Copper: Kiimmel, 686. Mineral industry: Kiimmel, 685. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. Zinc deposits of Sussex County: Spencer, 1089. Physiographic. Manasquan Inlet changes: Kiimmel, 684. Stratigraphic. Geological section: Kiimmel, 682. Highlands, geology of: Bayley, 86. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. Paleontology. Cretaceous Bryozoa: Gregory, 494. Mesozoic flora: Berry, 105. Petrology. Minerals of the Newark igneous rocks: Levison, 764. Mineralogy. Calcite crystals from the trap region: Whitlock, 1242. Datolite from Bergen Hill: Ford and Pogue, 418. Minerals of Newark igneous rocks: Levison, 764. Underground water. Philadelphia district: Bascom et al., 74. New Mexico. Economic. Black Range mining district: Wright, 1294. Coal mines at Dawson: Sheridan, 1057. Copper deposits, depths at which formed: Keyes, 654. Durango-Monero coal field: Gardner, 437. Gallina-Raton Spring coal field: Gardner, 436. Gallup-San Mateo coal field: Gardner, 438. Hanover iron deposits: Paige, 926, Lake Valley silver deposits: MacDonald, 797. Sylvanite: Jones, 636. Tres Hermanas district: Lindgren, 771. Turquoise: Jones, 637. Dynamic and structural. Arid regions, geologic processes: Keyes, 651. Raton coal field, metamorphosed coal: Lee, 746. Origin of certain depressions in the Sandias: Reagan, 990. Physiographic. Arid region, formations of: Keyes, 651. Base-level of eolian erosion: Keyes, 655. Stratigraphic. Manzano group of the Rio Grande Valley: Lee, 745. Ortiz Mountains: Keyes, 654. Raton coal field: Lee, 747. Raton coal field, unconformity in: Lee, 744, 748. Tuertos Mountains: Keyes, 654. New Mexico— Continued. Paleontology. Manzano group of Rio Grande valley: Girty, 458. Mineralogy. Calamine crystals from the Organ Mountains: Ford and Ward, 419. Calcite crystals: Schaller, 1029. New York. General. Director’s report, 1908: Clarke, 240. Geological maps: Leighton, 755. Inliers, types of: Ruedemann, 1019. New York City: Gratacap, 487. Watkins Glen-Catatonk district: Williams et al., 1255. Economic. Brewster iron-bearing district: Koeberlin, 679. Clinton ores: Newland, 892. Mining and quarry industry, 1908: Newland, 894. Watkins Glen-Catatonk district: Williams et al., 1255. Dynamic and structural. Dikes in the Hamilton shale near Clinton ville: Smith, 1073. Landslipin Hudson River clays: Newland, 893. Physiographic. • Champlain coast lines: Hudson, 606. Drainage evolution in central New York: Fair- child, 389. Hudson River channel: Hovey, 602; Kemp, 646. Manhattan Island and East River channel: Berkey, 102. Moravia quadrangle: Carney, 203. Palisades of the Hudson: Hall, 504. Preglacial valleys in eastern New York: Cook, 283. Tertiary drainage problems: Grabau, 473. Watkins Glen: Tarr, 1135. Watkins Glen-Catatonk district: Williams et al., 1255. Stratigraphic. Adirondacks, ice movement and erosion: Miller, 868 . Pleistocene geology: Miller, 869. Brewster iron-bearing district: Koeberlin, 679. Crystallines of southeastern New York: Berkey, 103. Dutchess County: Gordon, 464. Geneva-Ovid quadrangles: Luther, 786. Glacial waters west and south of the Adiron- dacks: Fairchild, 388. Glaciation, multiple: Fairchild, 386. Hudsonian and Ontarian glacier lobes: Fair- child, 387. Manhattan Island: Berkey, 101. Moravia quadrangle, Pleistocene geology: Car- ney, 203. New York City„ geology: Gratacap* 487. Remsen quadrangle: Miller, 867. Silurian strata, nomenclature and subdivision: Lane et al., 733. Watkins Glen-Catatonk district: Williams et al., 1255. 142 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. New York— Continued. Paleontology. Algae from Trenton limestone: Ruedemann, 1020. Araucariopitys: Jeffrey, 617. Cretaceous coniferous remains from Kreischer- ville: Hollick and Jeffrey, 588. Dinichthyid armor plates from Marcellus shale: Smith, 1072. Fresh- water fossils from Bronx Borough, New York City: Humphreys, 608. Watkins Glen-Catatonk district: Williams ct al., 1255. New York City, geology of: Berkey, 101. Nicaragua. Economic. Matagalpa district: West, 1223. Nickel. Canada: Young, 1297. Ontario, Sudbury: Ontario B. M., 909. Quebec: Dresser, 361. United States (general): U. S. G. S., 1170. Nomenclature. See also Stratigraphic. Dip, pitch, hade: Wilson, 1264. Geologic names, status of: Keith, 642. Geologic terms, definitions: Wood, 1281. Geological terms: Grabau, 474. Nontronite:' Bergeat, 98. North Carolina. General. Bibliography of geology, mineralogy, and geog- raphy: Laney and Wood, 736. State geologist’s biennial report: Pratt, 963, 965. Economic. Gold Hill copper district: Laney, 735. Gold mining: Lyon, 788. Mineral production in 1908: Pratt, 967. Mineral waters: Pratt, 964. Mining industry in 1907: Pratt, 964. Monazite: Pratt, 966; Pratt and Sterrett, 968. Peat deposits: Davis, 314. Placer mining industry: Welch, 1216. Tin deposits: Ball, 59. Stratigraphic. Cretaceous geology: Stephenson, 1098. Davidson County: Pogue, 960. Tertiary erosion intervals: Miller, 860. Paleontology. Cretaceous floras: Berry, 109. Pleistocene flora: Berry, 107. Petrology. Granites of Chapel Hill: Eaton, 368. Volcanic rocks of Davidson County: Pogue, 960. North Dakota. General. Geological reconnaissance: Douglass, 348. Geological survey report: Leonard, 757, 760. Jamestown-Tower district: Willard, 1253. Economic. Bottineau gas field: Barry, 69. Cement materials of northeastern North Da- kota: Barry and Melsted, 70. Fort Berthold Indian Reservation lignite field: Smith, 1075. North Dakota— Continued. Economic — Continued . Sentinel Butte lignite field: Leonard and Smith, 761. Southwestern North Dakota: Leonard, 758. Washburn lignite field: Smith, 1074. Physiographic. Northeastern North Dakota: Barry and Mel- sted, 70. Southwestern North Dakota: Leonard, 758. Stratigraphic. Geological history: Leonard, 759. Hell Creek and Ceratops beds: Knowlton, 678. Jamestown-Tower district: Willard, 1253. Northeastern North Dakota: Barry and Mel- sted, 70. Southwestern North Dakota: Leonard, 758. Underground water. Jamestown-Tower district: Willard, 1253. Northeastern North Dakota: Barry and Mel- sted, 70. Northwest Territories. General. Hudson Bay coast: O’Sullivan, 920. Pelly River basin: Keele, 641. Nova Scotia. General. Cumberland County: Fletcher, 405. Volcanic bombs from near Lake Ainslie: Poole, 961. Economic. Auriferous antimony ore of West Gore: Haley, 503. Bituminous shales: Ells, 374. Guysborough County, Richardson mine: Brown, 154. Gypsum on Cape Breton Island: Tyssowski, 1160. Iron ore deposits: Woodman, 1282. Kings and Lunenburg counties: Faribault, 390. Leipsigate gold mining district: Moore, 885. Mining districts: Langford, 737. South Cheticamp, Cape Breton Island, ore de- posits: Grandin, 481. Stratigraphic. Carboniferous, Northumberland County: Fletcher, 404. Cumberland County: Poole, 962. Geological cycles in the maritime provinces: Matthew, 832. Joggins section: Logan, 777. Silurian section at Arisaig: Twenhofel, 1158. Paleontology . Dictyonema websteri: Ruedemann, 1021. Silurian section at Arisaig: Twenhofel, 1158. Nunataks: Tarr, 1136. Ohio. Dynamic and structural. Landslide accompanied by buckling: Van Horn, 1180. Physiographic. Ohio, Licking County: Schefifel, 1032. Licking County, Mary Ann township: Carney, 200 . Licking Narrows at Black Hand: Mather, 824. Raised beaches of Berea, Cleveland, and Euclid sheets: Carney, 202, INDEX, 143 Ohio— Continued. Stratigraphic. Conemaugh formation: Condit, 280. Devonian, middle: Stauffer, 1096. Kelleys Island, glacial erosion on: Carney, 205. Licking County, Mary Ann township: Carney, 200 . Richmond near Oxford: Shideler, 1059. Silurian strata, nomenclature and subdivision: Lane ct al., 733. Paleontology . Cincinnatian and Lexington fossils: Foerste, 413. Cincinnatian fossils: Foerste, 412. Dinichthyids from northern Ohio: Branson, 140. Richmond near Oxford: Shideler, 1059. Silurian fossils: Foerste, 409. Mineralogy. Calcite crystals from Kelleys Island: Ford and Pogue, 417. Oil. See Petroleum. Oil shales. Canada: Young, 1297. New Brunswick: Baskerville, 77. Nova Scotia and New Brunswick: Ells, 373. Oklahoma. Economic. Asphalt deposits: Gould, 468, 469. Coal: Gould, 470. Grahamite: Taff, 1130. Gypsum deposits: Gould, 467. Madill oil pool: Taff and Reed, 1132. Petroleum analyses: Day, 330. Stratigraphic. Anthracolithic rocks of Kansas and Oklahoma: Beede, 91. Bowlder deposits in mid-Carboniferous marine shales: Taff, 1131. Caney shale: Girty, 457. Marion stage formations: Beede, 90. Paleontology . Caney shale fauna: Girty, 457. Oligocene. See Tertiary. Ontario. General. Algoma and Thunder Bay districts: Wilson, 1267. Index to reports of Bureau of Mines: Nicolas, 899. Lake Abitibi area: Baker, 52. Lake Nipigon region, Thunder Bay district: Wilson, 1263. Lake Nipigon-Clay Lake region: Collins, 277. Lake Superior region: Collins, 278. Onaman iron range: Moore, 883. Simcoe sheet: Johnston, 633. Economic. Black Sturgeon iron region: Coleman, 267. Bog iron on English River: Moore, 882. Bureau of Mines, eighteenth report: Gibson, 447. Clays: Baker, 53, 54; Coleman, 270. Cobalt district: Anderson, 23; Higgins, 557. Cobalt and Sudbury: Ontario B. M., 909. Cobalt-silver deposits, origin: Hore, 591. Ontario— Continued . Economic— Continued. Feldspar: Morsack, 886. Gowganda district: Collins, 276; West, 1222. Gowganda and Miller lakes silver area: Bur- rows, 169. Iron fields of Lake Superior region: Brinsmade, 143. Iron formation of Woman River area: Allen, 17. Iron range north of Round Lake: Moore, 881. Lake Abitibi area: Baker, 52. Lake Wendigokan region: Moore, 884. Maple Mountain district: Ramsay, 975. Mining districts: Langford, 737. Montreal River district: Barlow, 64; Collins, 279; Tyrrell, 1159. Nipigon iron ranges: Coleman, 266. Onaman iron range: Moore, 883. Rainy River district: Fleming, 403. Silver Islet, Lake Superior: McDermott, 795, 796. South Lorraine silver area: Burrows, 170; Phil- lips, 953. Sudbury ores: Hixon, 576. Thunder Bay and Rainy River districts: Hille, 564. Physiographic. Lake Huron region: Goldthwait, 462. Lake Ojibway, last of glacial lakes: Coleman, 268. Stratigraphic. Algonquin and Nipissing shore lines: Gold- thwait and Jacobson, 463. Drift deposits, classification, and nomencla- ture: Coleman, 269. Glacial Lake Ojibway: Coleman, 268. Gowganda district: Collins, 276. Grenville-Hastings unconformity: Miller and Knight, 866. Lake Nipigon region: Wilson, 1262. Lake Nipigon-Clay Lake region: Collins, 277. Lake Wendigokan region: Moore, 884. Montreal River district: Collins, 279. Pleistocene deposits of southwestern Ontario: Taylor, 1140. Simcoe sheet: Johnston, 633. Paleontology. Cambro-Silurian and Silurian fossils from Albany River region: Whiteaves, 1240. Graptolites of the Niagaran dolomite: Bassler, 79. Periglyptocrinus priscus: Parks, 942. Pro taster: Parks, 941. Petrology. Amphibolites of the Laurentian area: Adams, 2. Gowganda district: Collins, 276. Lake Nipigon-Clay Lake region: Collins, 277. Nepheline and associated syenites: Adams and Barlow, 4. Onaman iron range: Moore, 883. Mineralogy. Hastingsite from Dungannon: Graham, 480. Onyx. Mexico, Oaxaca, Tehuantepec district: Flores, 408. I Opisthias rarus; Gilmore, 454. 144 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Ordovician. General. Classification of: Grabau, 471. Evolution of North America: Grabau, 472. Paleogeographic map: Willis, 1256. Paleogeography: Ulrich, 1165. Stratigraphy. Arkansas: Purdue, 972. Ouachita area: Purdue, 973. Canada, maritime provinces: Matthew, 832. Georgia: Veatch, 1184. Illinois, Alexander County. Savage, 1027. northwestern: Carman, 198. Iowa, eastern: Carman, 198. Kentucky, Blue Grass region: Matson, 827. Missouri, Auburn chert fauna: Branson, 139. southeastern: Buckley, 158. Nevada, Silver Peak quadrangle: Turner, 1156. New Jersey, Kummel, 682. Ohio, Richmond near Oxford: Shideler, 1059. Ontario, Albany River region: Whiteaves, 1240. Simcoe sheet: Johnston, 633. Pennsylvania, Lehigh Valley: Wherry, 1229. Medina: Grabau, 476. Mercersburg-Chambersburg district: Stose, 1119. Philadelphia district: Bascom etal., 74. South Dakota: Darton, 307. Black Hills region: Darton, 306, 310. Texas, El Paso quadrangle: Richardson, 998. Virginia, western: Bassler, 78. Wyoming, Black Hills region: Darton, 306. Paleontology. Algae from Trenton of New York: Ruedemann, 1020. Brachiopoda of Richmond group: Foerste, 414. Cincinnatian and Lexington fossils: Foerste, 413. Cincinnatian fossils: Foerste, 412. Fish remains in Ordovician of Black Hills: Darton, 310. Nettleroth collection: Bassler, 80. Ohio, Richmond near Oxford: Shideler, 1059. Periglyptocrinus priscus: Parks, 942. Protaster: Parks, 941. Virginia, western: Bassler, 78. Ore deposits, origin. For ore deposits in general, see Economic {general). General: Butler, 176; Marrs, 815; Thomas and MacAlister, 1144. Association of ores and country rock: Surr, 1124. Cave ores: Lakes, 718. Centers of mineralization: Lakes, 700. Distribution of metals and minerals in ore j shoots: Surr, 1123. Formation and enrichment of ore-bearing veins: Bancroft, 61 , 62. Intersection, faulting, and movements in veins: Lakes, 701. Locus of vadose ore deposition: Keyes, 658. Magmatic waters and volcanic action: Hixon, 574. Metallogenetic epochs: Lindgren, 773. Metamorphosed ore deposits: Emmons, 378. Modern ancient volcanoes and ore deposits: Lakes, 716. Ore deposits, origin — Continued. General — Continued . Nuggets, origin: Lakes, 704. Occurrence of ore deposits in mineral belts: Lakes, 717. Occurrences of ore in veins: Lakes, 714. Ore deposition, development of theories of: Emmons, 377. Ore shoots: Lindgren, 769. Ores formed by magmatic segregation: Gar- rison, 439. Ores in volcanic craters and fumarole orifices: Lakes, 715. Outcrop of ore bodies: Emmons, 379; Min. and Sci. Press, 871. Volcanic action and ore deposition: Chase, 222; Hixon, 577. Cobalt-silver deposits of northern Ontario: Hore, 591. Colorado, Aspen ore deposits: I-oughlin, 783; Spurr, 1092. Copper, garnet contact deposits, depths at which formed: Keyes, 654. Michigan: Lane, 729. New England: Emmons, 378. Gold, alluvial: Lakes, 703. Georgia: Jones, 638. Goldfield district, Nevada: Ransome, 976. Iron: Grimsley, 496. bog ore, Ontario: Moore, 882. Clinton ore, New York: Newland, 892. Clinton ores, Pennsylvania: Kelly, 643. Georgia, manganese ore: Watson, 1210. Michigan: Lane, 732. Ontario, Onaman range: Moore, 883. Woman River area: Allen, 17. New York, Brewster district: Koeberlin, 679. Residual brown ores of Cuba: Weld, 1217. Lead and zinc of Ozark region: Buckley, 159; Keyes, 653. Lead, Missouri, southeastern: Buckley, 158. Manganese ores: West, 1223. Massachusetts, Newburyport, silver-lead de- posits: Clapp and Ball, 229. Nevada, ore shoots: Chase, 220. Ozark lead-zinc deposits: Keyes, 657. Saltdeposits, West Virginia: Grimsley, 496. Silver, Colorado, Aspen: Spurr, 1092. Lake Valley, New Mexico: MacDonald, 797. Silver Islet vein, Lake Superior: McDermott, 796. Sudbury ores: Hixon, 576. Tungsten, Colorado: George, 443. Tungsten deposits and surface enrichment: Surr, 1122. Wisconsin, brown ores: Allen, 16. Oregon. General. Prehistoric Siskiyou Island and Marble Halls: Watson, 1208. Economic. Bohemia mining district: MacDonald, 798. Cracker Creek district, Baker County: Pardee, 937. Grants Pass: Diller and Kay, 340. Rogue River valley coal field: Diller, 339. Rye Valley gold mines: Mathez, 826. INDEX. 145 Oregon— Continued . Economic— Continued . Structural materials: Darton, 308. Waldo, placers: Nicol, 898. Willow Creek, Morrow County, coal prospect: Mendenhall, 849. Dynamic and structural. Cracker Creek gold district, Baker County, faulting and vein structure: Pardee, 937. Physiographic. Harney Basin region: Waring, 1202. Stratigraphic. Applegate region: Diller and Kay, 340. Grants Pass region: Diller and Kay, 340. Harney Basin region: Waring, 1202. Miocene of Astoria and Coos Bay: Dali, 300. Tertiary: Arnold, 32. Paleontology. Miocene of Astoria and Coos Bay: Dali, 300. Sea lion from Miocene: True, 1154. Underground water. Harney Basin region: Waring, 1202. Origination of self-generating matter and the in- fluence of aridity upon its evolutionary development: Macdougal, 800. Orogeny. Great Basin ranges, erosional origin of: Keyes 652. Oscillation. See Changes of level. Ostracoda. See also Crustacea. Caney shale fauna, Oklahoma: Girty, 457. Silurian fossils from Indiana, Ohio, and Ken- tucky: Foerste, 409. Oxydactylus campestris: Cook, 281. Ozokerite. Utah: MacFarren, 806. Pacific Coast Tertiary faunas: Arnold, 32. Paints. See Mineral paints. Paleobotany. Algae from Trenton limestone of New York: Ruedemann, 1020. Amber in Laramie Cretaceous: Cockerell, 263. Araucariopitys: Jeffrey, 617. Colorado, Fagopsis from Florissant: Hollick, 587. Cretaceous floras of Virginia and North Caro- lina: Berry, 109. Cretaceous coniferous remains from New York: Hollick and Jeffrey, 588. Euphorbiaceae: Cockerell, 262. Firmianites aterrimus: Cockerell, 259. Florissant plants: Cockerell, 264. Kansas, upper Paleozoic plants: Sellards, 1045. Mesozoic flora of Atlantic coastal plain: Berry, 105. North Carolina, Pleistocene flora: Berry, 107. Paleozoic floras: White, 1231. Structure of leaf in Cretaceous pines: Jeffrey, 618. Virginia, Miocene flora: Berry, 104. Pleistocene swamp deposits: Berry, 108. Williamsonias of Mixteca alta, Mexico: Wie- land, 1251. Paleoclimatology. General : Bustamante, 172. Greenland: Jensen, 627. Manson’s theory of geological climates: Reid, 991. Paleozoic: White, 1231. Pleistocene conditions: Salisbury, 1024. Paleogeographic maps. Arizona and southern California in post-Plio- cene: Blake, 1201. Devonian, Columbus time: Stauffer, 1096. Delaware-0 lentangy time: Stauffer, 1096. North America, Cambrian to Quaternary: Willis, 1256. Ordovicic, Siluric, and Devonic: Grabau, 472. Pacific Coast Tertiary: Arnold, 32. Paleogeography. See also Geologic history, Paleo- climatology, and Paleogeographic maps. Cambrian faunas, evolution of: Walcott, 1198. Carboniferous: Girty, 455. Devonian and Mississippian faunas: Weller, 1219. Early vertebrate faunas: Williston, 1259. Mesozoic of North America: Stanton, 1094. New York: Clarke, 240. North America: Schuchert, 1036. Ordovician: Ulrich, 1165. Ordovicic, Siluric, and early Devonic: Grabau, 472. Principles controlling restorations: Willis, 1256. Richmond group: Foerste, 414. Paleontology (general). See also the classes of animals and Paleobotany. For strati- graphic see the different systems. For regional see the various States. General: Woodward, 1286. American paleontology and Neo-Lamarckism: Case, 211. Cambrian faunas, evolution of: Walcott, 1198. Devonian and Mississippian faunas: Weller, 1219. First calcareous fossils: Daly, 303. Laboratory methods in vertebrate paleontol- ogy: Hermann, 541. Ordovicic, Siluric, and Devonic faunas: Gra- bau, 472. Paleozoic, revised classification of: Grabau, 471. Paragenesis of minerals. Copper deposits, Latouche Island, Alaska: Lincoln, 768. Peat. General. Origin: Davis, 317. Alaska: Davis, 315. Canada: Nystrom and Anrep, 903. Florida: Sellards, 1049. Indiana: Taylor, 1139. Iowa: Beyer, 112. bibliography of peat: Lees, 753. Maine: Bastin and Davis, 83. New York: Newland, 894. North Carolina: Davis, 314. United States: Davis, 316; U. S. G. S., 1170. Pegmatite in granite of Massachusetts: Warren, 1203. 56693°— Bull. 444—10 10 146 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Pelecypoda. See also Mollusca. Auburn chert fauna, Missouri: Branson, 139. California, Coalinga district, Cretaceous and Tertiary: Arnold, 31. Silurian of Tennessee, Indiana, and Kentucky: Foerste, 411. Pennsylvania. General. Mercersburg-Chambersburg district: Stose, 1119. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. Economic. Anthracite at Wilkesbarre: Cist, 227. Clinton iron-ore deposits of Stone Valley: Kelly, 643. Canister in Blair County: Butts, 177. Oil and gas accumulation: Clapp, 231; Munn, 888 . Mercersburg-Chambersburg district: Stose, 1119. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. Physiographic. Drainage evolution: Fairchild, 389. Mercersburg-Chambersburg district: Stose, 1119. Preglacial drainage of western Texas: Hice, 555. Stratigraphic. Bloomsburg iron ore, stratigraphic position of: Van Ingen, 1181. Cambrian of Lancaster County: Roddy, 1008. Conemaugh sections: Raymond, 983. Lehigh Valley district, early Paleozoic: Wherry, 1229. Medina and Shawangunk: Grabau,476. Mercersburg-Chambersburgdistrict: Stose, 1119. Philadelphia district: Bascom et al., 74. Pre-Cambrian gneisses of Piedmont plateau: Bascom, 73. Shawnee Mountain, glaciated rock: Corss, 286. Trenton quadrangle: Bascom et al., 75. Paleontology. Cambrian of Lancaster County: Roddy, 1008. Devonian and Mississippian fossils near Mead- ville: Millward, 870. Glacial drift fossils: Millward, 870. Helodus, n. sp., Eastman, 365. Marine fossils , new horizons for: Raymond , 984. Mineralogy. Carnotite: Wherry, 1227. Underground water. Philadelphia district: Bascom et al., 74. Pennsylvanian. See Carboniferous. Pentremites. See Blastoidea. Permian. See Carboniferous. Petroleum. General : Wheeler, 1224. , Anticlinal and hydraulic theories of accumu- lation: Munn, 888,889. Anticlinal theory of accumulation: Clapp, 231. Genesis: Coste, 287,288; Dalton, 302; Lakes, 705,709,713; Min. and Sci. Press, 871. Magnetic disturbances and the genesis of petroleum: Becker, 89. Map of productive fields, 1908: Day, 328. Occurrence, mode of: Clapp, 232. California, Coalinga district: Forstner, 420, 422. Los Angeles: Barbour, 63. Petroleum— Continued. Canada: Ells, 372; Young, 1297. Colorado: Lakes, 696. Boulder field: Washburne, 1205. Florence field: Washburne, 1206. Illinois: Bain, 48; Wheeler, 1224. eastern: Blatchley, 122. Kansas: Haworth et al., 519. analyses: Day, 330. Louisiana, northwestern: Harris et al., 514. Mexico: Day, 329; Villarello, 1189, 1190. Dos Bocas: Villarello, 1188. Nevada: MacFarland, 803. Lyon County, prospecting: Anderson, 26. Reno region, prospecting: Anderson, 25. New York: Newland, 894. Oklahoma, analyses: Day, 330. Madill pool: Taff and Reed, 1132. United States (general): U. S. G. S., 1170; Day, 326. Utah: Rogers, 1011. Green River fields in Wayne County: Peet, 945. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Petrology (general). See also Igneous and volcanic rocks, and Technique. For regional, see the various States. For rocks described see p. 160. Chemical composition as a criterion in identi- fying metamorphosed sediments: Bastin, 82. Igneous rocks, general: Iddings, 611. classification: Waitz, 1197. Magnetic rocks: Harris, 513. Microstructure of ore from Frisco mine, Idaho: Campbell, 192. Scapolite, primary, in igneous rocks: Calkins, 183. Philadelphia folio: Bascom et al., 74. Philosophy. See also History. Meteorites with reference to world-making: Merrill, 856. Phosphate. Florida: Sellards, 1049; Stone, 1114; Van Horn, 1179. New Brunswick: Matthew, 833. South Carolina: Matthew, 833; Van Horn, 1179. Tennessee: Van Horn, 1179. United States (general): U. S. G. S., 1170; Van Horn, 1179. Utah: Van Horn, 1179. Wyoming: Van Horn, 1179. Physiographic (general). For regional, see the various States. See also Drainage changes. Appalachian Mountain system, physiographic subdivisions: Davis, 323. College unit in physical geography; Marbut, 814. Colorado Canyon: Davis, 324. Convexity of hilltops: Gilbert, 451. Description of land forms: Davis, 322. Desert, lineaments of: Keyes, 661. Desert ranges, wind action on; Keyes, 654. Earth’s plan: Taylor, 1141. Geographical essays: Davis, 318. INDEX. 147 Physiographic— Continued. Geography at the University of Wisconsin: Martin, 822. Banging valleys: Johnson, 630. Bigh-school course in physiography: Fairbanks, 384. Intercision, a drainage modification: Gold- thwait, 460. Laboratories for physical geography: Wright, 1289. Laboratory for physiography: Stearns, 1097. Laboratory for topographic work: Mead and Martin, 843. Laboratory manual in physical geography: Bopkins and Clark, 590. Laboratory methods for geography: Hobbs, 584. Laramie region: Blackwelder, 117. North America and Europe: Penck, 946. Physical geography in the secondary school: Fenneman, 393. Physiography: Fairbanks, 384. Relation of geology to topography: Martin, 820. Striations and U-shaped valleys not produced by glacial action: Hovey, 593. Volcanic topography: Smith, 1078. Pisces. Arthrodira: Hussakof, 609. Carcharodon: Dean, 332. Devonian of Ohio: Stauffer, 1096. Dinichthyid armor plates from Mareellus shale of New York: Smith, 1072. Dinichthyids from northern Ohio: Branson, 140. Fish remains in Black Hills Ordovician: Dar- ton, 310. Gar-pike from Utah: Cockerell, 260. Giant of ancient sharks: Dean, 332. Helodus, new species, from Pennsylvania: Eastman, 365. Miocene drumfish, Pogonias multidentatus: Smith, 1071. Mylostomid dental plates: Eastman, 366, 367. New Brunswick, Albert shales: Lambe, 724. Sharks, chimaeroids, and afthrodires: Dean, 331. Pitchblende: Fleck, 402; Zalinski, 1300. Placers. See also Gold. Alaska: Brooks, 148. Fortymile quadrangle: Prindle, 969. Alluvial deposits, origin, character, and distri- bution: Lakes, 703. Alluvial gold: Garrison, 440. Arizona, Calizona: Hedburg, 534. Occurrence of gold in placers: Collins, 275. Plants. See Paleobotany. Platinum. United States (general): U. S. G. S., 1170. Pleistocene. See Quaternary and Glacial geology. Pliocene. See Tertiary. Polyzoa. See Bryozoa. Portland cement. See Cement. Porto Rico. Iron and copper deposits: Hamilton, 505. Pre-Cambrian. General: Van Hise and Leith, 1178. Grenville-Hastings unconformity: Miller and Knight, 866. Correlation. Basis of pre-Cambrian correlation: Adams, 3. Classification and correlation: Van Hise, 1177. Stratigraphy. Canada: Miller, 865. maritime provinces: Matthew, 832. Colorado, Hahns Peak region, Routt County George and Crawford, 446. north central: Henderson, 536. Greenland: Nordenskjold, 900. Idaho, northern: Calkins, 181. Missouri, southeastern: Buckley, 158. Montana, northwestern: Calkins, 181. Nevada, Silver Peak quadrangle: Turner, 1156. New Brunswick, Saint John: Ells, 373. New Jersey: Kummel, 682. Trenton quadrangle 1 Bascom et at., 75. New York and adjoining States: Gordon, 464. New York, Remsen quadrangle: Miller, 867. North America: Van Hise and Leith, 1178. Ontario, Algoma and Thunder Bay districts: Wilson, 1267. Gowganda and Miller lakes area: Burrows, 169. Gowganda district: Collins, 276. Lake Abitibi area: Baker, 52. Lake Nipigon-Clay Lake region: Collins, 277. Lake Superior region: Collins, 278. Lake Wendigokan region: Moore, 884. „ Montreal River district: Collins, 279. Onaman area: Moore, 883. South Lorraine area: Burrows, 170. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom ct al., 75. South Dakota: Darton, 307. Aberdeen-Redfield district: Todd, 1146. Black Hills region: Darton, 306. Texas, El Paso quadrangle: Richardson, 998. Wyoming, Black Hills region; Darton, 306. Pre-Cambrian glaciation: Knight, 674. Precious stones. See also Diamonds, Sapphires, and Turquoise. Geological distribution and mode of occurrence in North America: Lakes, 711. North Carolina: Pratt, 964. United States (general): U. S. G. S., 1170. Primates. See Mammalia. Protaster: Parks, 941. Protostegidse: Wieland, 1249. Pseudomorphism. Massachusetts, Hampden County: Roe, 1009. Nontronite after wollastonite: Bergeat, 98. Pyrite. New York: Newland, 894. Ontario, Lake Nipigon-Clay Lake region: Col- lins, 277. United States (general): U. S. G. S., 1170. Quartz. North Carolina: Pratt, 964. United States (general): U. S. G. S., 1170. 148 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Quartz as a geologic thermometer: Wright and Lar- sen, 1292. Quaternary. See also Glacial geology. General. Paleogeographic map: Willis, 1256. Pleistocene physical geography: Salisbury, 1024. Stratigraphy. Alaska, Fortymile quadrangle: Prindle, 969. California: Arnold, 31. McKittrick-Sunset district: Johnson, 631. Santa Cruz quadrangle: Branner et at., 138. Colorado, Hahns Peak region, Routt County: George and Crawford , 446. Leadville quadrangle: Capps, 196. Delaware, Philadelphia district: Bascom et at., 74. Florida: Matson and Clapp, 829. southern: Sanford, 1025. Georgia: Veatch, 1184. Illinois, northwestern: Carman, 198. Iowa, eastern: Carman, 198. Kentucky, Blue Grass region: Matson, 827. Mexico, Baja California: Wittich, 1276. Montana, Great Falls region: Fisher, 396, 397. Lewistown field: Calvert, 185. Nevada, Silver Peak quadrangle: Turner, 1156. New Jersey, Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et ol., 75. Pennsylvania, Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al. , 75. South Dakota, Aberdeen-Redfield district: Todd, 1146. Belle Fourche quadrangle: Darton and O’Harra, 312. Texas, El Paso quadrangle: Richardson, 998. Utah, Uinta and Wasatch Mountains: Atwood, 40. Paleontology . Aftonian mammalian fauna: Calvin, 188. California, cat allied to Felis atrox: Merriam, 850. peacock from Quaternary asphalt beds: Mil- ler, 863. Teratornis from Rancho La Brea: Miller, 864. Distribution of Pleistocene Mammalia: Hay, 524. Greenland, Mollusca: Jensen, 627. Mammal horizons of western North America: Osborn, 913. Maryland, Juglandaceae from Pleistocene: Berry, 106. North Carolina, Pleistocene flora: Berry, 107. Ophiuroids in glacial clay of Maine coast: Sayles, 1028. Quebec. General. Geological reconnaissance: Dresser, 357. Labrador Peninsula: Valiquette, 1176. Lake Chibougamau region: Dulieux, 362. Lake Opasatika and the Height of Land: Wil- son, 1266. Laurentian Highlands: Laflamme, 689. Notre Dame and Shickshock Mountains: La- flamme, 688. Quebec — Continued . Economic. Asbestos deposits: Dresser, 359, 360. Chrome iron deposits: Cirkel, 224. Graphite: Brumell, 157. Iron ore deposits along Ottawa and Gatineau rivers: Cirkel, 223. Mineral deposits of serpentine belt: Dresser, 361. Mining districts: Langford, 737. Mining operations for 1908: Obalski, 904. Opasatika Lake district: Cirkel, 225. Riviere Du Loup gold fields: Hind, 569. Petrology. Monteregian Hills, rock type from : Dresser, 358. Quicksilver. Canada: Young, 1297. Mexico, San Luis Potosi, Dulces Nombres deposit: Babb, 43. Texas: Phillips, 954. Brewster County: Dinsmore, 343. United States (general): U. S. G. S., 1170. Radioactivity of the thermal waters of Yellowstone National Park: Schlundt and Moore, 1033. Rare earths. Colorado: Fleck, 401. Rare metals: Dickinson, 338. United States (general): U. S. G. S., 1170. Recent. Paleontology. Fresh-water fossils from Bronx Borough, New York City: Humphreys, 608. Lymnaea, new species: Baker, 51. Shells, fossil and living, in Little Mud Lake: Nylander, 902. Ralief maps. Alaska: Brooks, 148. Malaspina glacier region: Martin, 821. Reptilia. General: Moodie, 876. Camptosaurus from Jurassic, osteology of: Gil- more, 453. Cotylosauria and Nectosaurus: Moodie, 876. Crocodile from Judith River beds of Montana: Holland, 586. Dinosaur from Kansas chalk: Sternberg, 1101. Dinosaur societies: Lull, 785; Williston, 1261. Dinosauria, classification and phylogeny: Huene, 607. Dinosaurs from Jurassic of Greenland: Fraas, 423. Iguanodont dinosaur, epidermis of: Osborn, 914. Iguanodont dinosaurs from upper Cretaceous: Osborn, 917. Leatherback turtle from Miocene of Maryland: Palmer, 936. Microsauria, ancestors of Reptilia: Moodie, 879. Oldest land reptiles: Matthew, 837. Protostegidse, revision of: Wieland, 1249. Rhynchocephalian reptile from Jurassicof Wyo- ming: Gilmore, 454. Saurian from the Niobrara: Wieland, 1250. Toxochelys and Chisternon: Hay, 521. Trachodon from the Laramie beds of Wyoming, Sternberg, 1099. INDEX. 149 Reptilia— Continued Trachodon skeleton: Osborn, 915. Triceratops, Iguanodon, and Megalosaurus: Hay, 520. Turtles, from Harrison beds: Loomis, 779. of North America: Hay, 522. Resin in Paleozoic coals: White, 1233. Rhode Island. Mineralogy. Calcite crystals: Schaller, 1029. Rivers. Illinois, Des Plaines Valley: Goldthwait, 461. River waters, analyses of: Daly, 303. Road materials. New Jersey, Philadelphia district: Bascom et al., 74. Pennsylvania, Philadelphia district: Bascom et al., 74. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Rock glaciers: Capps, 197. Rock slides. See Landslides. Rock streams: Howe, 603. Rocks described. See list, p. 160. Rutile. Virginia: 1305. St. Vincent. Soufriere: Anderson, 28; Hovey, 600. Striations and U-shaped valleys: Hovey, 593. Wallibu and Rabaka gorges: Hovey, 597. Salt. General. Salt deposits, origin: Harris, 512. Louisiana: Harris, 512. New York: Newland, 894. Texas: Harris, 512. United States (general): U. S. G. S., 1170. West Virginia: Grimsley, 496. Sand. See also Glass sand and Silica. New York: Newland, 894. Oregon, Portland: Darton, 308. United States (general): U. S. G. S., 1170. Sand-lime brick. New York: Newland, 894. United States (general): U. S. G. S., 1170. Sandstone. See also Building stone. New York: Newland, 894. United States (general): U.'S. G. S., 1170. West Virginia: Grimsley, 496. Santa Cruz quadrangle: Branner et al., 138. Santo Domingo. Mineral resources: Kempton, 648. Sapphires. Montana: Rowe, 1017. Saskatchewan. General. Churchill River and South Indian Lake: Mc- Innes, 807. Economic. Coalfields: Dowling, 350. Lignite areas: Dowling, 351. Scapolite rocks: Spurr, 1091. Sedimentation. See also Erosion. Arizona, southern bolson region: Tolman, 1149. Carboniferous of Licking County, Ohio: Carney, 200 . Chemical composition for identifying metamor- phosed sediments: Bastin, 82. Coal, rate of deposition: Ashley, 37. Conglomerates, marine and terrestrial: Barrell, 68 . Continental formations of Tertiary: Matthew, 834. Diatomaceous dust on Bering Sea ice floes: Kindle, 668. Land deposits: Tolman, 1148. Physiographic processes: Fenneman, 392. St. Vincent Island: Hovey, 597. Yakutat coastal plain of Alaska, formation of: Blackwelder, 118. Seismograms: Carter, 208. Seismographs. Kingston: Marvin, 823. Seismological instruments: Reid, 993. Seismology. See Earthquakes. Selenium. United States (general): U. S. G. S., 1170. Shore lines. See also Beaches and Terraces. Lakes Michigan and Huron: Goldthwait, 462. New York, Champlain coast lines: Hudson, 606. Ontario, Algonquin and Nipissing shore lines: Goldthwait and Jacobson, 463. Sink holes. Florida: Matson and Clapp, 829. Silurian. For Lower Silurian see Ordovician. General. Classification of: Grabau, 471. Evolution of North America: Grabau, 472. Nomenclature and subdivision of upper Siluric strata of Michigan, Ohio, and western New York: Lane et al., 733. Paleogeographic map: Willis, 1256. Stratigraphy. Canada, maritime provinces: Matthew, 832. Georgia: Veatch, 1184. Illinois, Alexander County: Savage, 1027. northwestern: Carman, 198. Indiana, Waldron formation: Kindle and Bar- nett, 670. Iowa, eastern: Carman, 198. Kentucky, Louisville region: Bassler, 80. Michigan, southern: Sherzer and Grabau, 1058. New Jersey: Kiimmel, 682. Nova Scotia, Arisaig section: Twenhofel, 1158. Pennsylvania, Mercersburg-Chambersburg dis- trict: Stose, 1119. Shawangunk: Grabau, 476. Texas, El Paso quadrangle: Richardson, 998. Paleontology . Graptolites from Niagaran dolomites of Hamil- ton, Ontario: Bassler, 80. Indiana: Foerste, 409,411. Waldron fauna: Kindle and Barnett, 670. Kentucky: Foerste, 409,411. Nettleroth collection: Bassler, 80. Nova Scotia, Arisaig section: Twenhofel, 1158. 150 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Silurian— Continued . Paleontology— Continued . Ohio: Foerste, 409. Ontario. Albany River region: Whiteaves, 1240. Tennessee: Foerste, 411. Silver. Arizona, Mohave County: Schrader, 1034. Tombstone district: Shaw, 1055. British Columbia, Bear River district: Rush, 1023. Slocan district: LeRoy, 762. Canada: Young, 1297. Colorado, Aspen: Spurr, 1092. Fall River district, Alice mine: Herrick, 542. Gunnison County: Hill, 562. Montezuma district, Summit County: Patton, 943. Idaho, Coeur d’Alene district: Rowe, 1016; Wiard, 1246. northern: MacDonald, 799. Massachusetts, Newburyport: Clapp and Ball, 229. Mexico: Balarezo, 55: Bordeaux, 125. Chihuahua, Rio Plata mine: Baron, 66. Santa Eulalia mines: Merrill, 852. San Ygnacio mine: Peragallo, 950. El Chico district, Hidalgo: Thomas, 1145. Guanajuato district: Botsford, 129. Guerrero, Pregones district: Laguerenne, 691. Montezuma district, El Tigre mine: Herrick, 543. Sinaloa, northern: Tays, 1142. State of Mexico, Zacualpan district: Platt, 957. Zacatecas, Concepcion del Oro district: Chase, 221, Zacualpan district: Carpenter, 206. Montana, northwestern: MacDonald, 799. Nevada, Hornsilver district: Ransome, 977. Humboldt County: Ransome, 980, 981. Lida district: Root, 1015. Tonopah district: Jenney, 624; Johnson, 628. White Pine district: Larsh, 738. Wonder district: Ritter, 1005. New Mexico, Black Range mining district: Wright, 1294. Lake Valley: MacDonald, 797. Nicaragua, Matagalpa district: West, 1223. North Carolina: Pratt, 964. Ontario: Hore, 591. Cobalt district: Higgins, 557; Ontario B. M., 909. Gowganda and Miller lakes area: Burrows* 169. Gowganda district: Collins, 276; West, 1222. Maple Mountain district: Ramsay, 975. Montreal River district: Barlow, 64; Collins, 279. Silver Islet vein, Lake Superior: McDermott, 795, 796. South Lorraine area: Burrows, 170; Phillips, 953. Texas, Presidio mines at Shatter: Kirk, 671. United States (general): U. S. G. S., 1170; Lindgren, 772. Utah, Box Elder County: Higgins, 559. Slate. General. Origin of: Purdue, 972. Arkansas: Purdue, 972. New York: Newland, 894. United States (general): U. S. G. S., 1170. West Virginia: Grimsley, 496. Slickensides: Lawson, 739. Soapstone. North Carolina: Pratt, 964. United States (general): U. S. G. S., 1170. Soils. General : Whitney ct al. 1244. Soil surveys as related to geology: KiimmeL 687. Soil wastage: Chamberlin, 215. Indiana, Daviess County: Snider, 1087. Dubois, Perry, and Crawford counties: Shan- non, 1052. North Dakota, Jamestown-Tower district: Willard, 1253. South Dakota, Bellefourche quadrangle: Dar- ton and O’Harra, 312. United States: Whitney, 1243. West Virginia, Middlebourne area: Caine ct al., 178. Solidification of alloys and magmas: Aston, 39. South Carolina. Economic. Mineral resources: Sloane, 1068. Monazite: Pratt and Sterrett, 968. Phosphate deposits: Matthew, 833; Van Horn, 1179. Tin deposits: Ball,- 59. Dynamic and structural. Charleston earthquake: Hovey, 594. Petrology. Granites: Watson, 1211. South Dakota. General. Aberdeen-Redfield district: Todd, 1146. Bad Lands: Fraas, 424. Belle Fourche quadrangle: Darton and O’Harra, 312. Economic. Belle Fourche quadrangle: Darton and O’Harra, 312. Black Hills mother lode: Simmons, 1064. Iron deposits of the Black Hills: Cooledge and Overspeck, 284. Mica: Sterrett, 1103. Tin in the Black Hills: Simmons, 10:3. Tin, tungsten, and tantalum deposits: Hess, 549. Physiographic. Stream robbery in Belle Fourche district: Dar- ton, 311. Stratigraphic. Aberdeen-Redfield district: Todd, 1146. Belle Fourche quadrangle: Darton and O’Harra, 312. Black Hills region: Darton, 306, 310. Geology: Darton, 307. : .'ell Creek and Cera tops beds: Knowlton, 678. Paleontology . Ancodon: Matthew, 835. INDEX. 151 South Dakota— Continued. Underground water. General: Darton, 307. Aberdeen-Redfield district: Todd, 1140. Artesian water, prediction of: Darton, 309. Belle Fourche quadrangle: Darton and O’Har- ra, 312. Black Hills region: Darton, 306. Spheroidal weathering of dikes: Kemp, 645. Stalactites: Brigham, 141. Stegocephala: Moodie, 876. Stone. See Building stone. Stratigraphic {general). For regional, see under the various States. See also the various systems. General. Early vertebrate faunas: Williston, 1259. Mesozoic invertebrate faunas: Stanton, 1094. Paleozoic floras: White, 1231. Correlation. Carboniferous, upper: Girty, 455. Ceratops beds: Stanton, 1095. Devonian and Mississippian faunas: Weller, 1219. Diastrophism as the ultimate basis of correla- tion: Chamberlin, 216. Early vertebrate faunas: Williston, 1259. Glacial drift sheets: Alden, 12. Laramie formation and Shoshone group: Cross, 294. Mesozoic invertebrate faunas: Stanton, 1094. Ontario, Simcoe sheet: Johnston, 633. Ordovician, Silurian, and Devonian: Grabau, 472. Orotaxial correlation: Keyes, 664. Pacific Coast: Arnold, 32. Paleozoic formations, upper: White, 1231. Paleozoic systems, revision of: Ulrich, 1166. Pleistocene: Salisbury, 1024. Pre-Cambrian: Adams, 3; Van Hise, 1177; Van Ilise and Leith, 1178. Symposium on correlation: Willis, 1257. Tertiary: Dali, 299. Tertiary formations: Osborn, 913. Nomenclature. Laramie, application of term: Peale, 944. Ontario drift deposits: Coleman, 269. Silurian strata of Michigan, Ohio, and New York: Lane et al., 733. Tables of geologic formations. Alaska, Fortymile quadrangle: Prindle, 969. Algonkian, Montana and Idaho: Calkins, 181. Arkansas, Ouachita area: Purdue, 972. California, Coalinga district: Arnold, 31. Furnace Canyon: Keyes, 656. Santa Cruz quadrangle: Branner et al., 138. Canada, middle: Dowling, 350. Cincinnatian in Ohio: Foerste, 412. Colorado, Grand Mesa coal field: Lee, 743. north central: Henderson, 536. Georgia: Veatch, 1184. Florida: Matson, 828; Matson and Clapp, 829. Illinois, Alexander County, Ordovician and Silurian formations: Savage, 1027. northwestern: Carman, 198. Iowa, eastern: Carman, 198. Stratigraphic— Continued . Tables of geologic formations— Continued. Kansas, Carboniferous: Beede, 91; Haworth et al., 519. Green County: Haworth and Bennett, 518. Ozark region: Haworth and Bennett, 518. Kentucky, Blue Grass region: Matson, 827. Louisiana, Austin quadrangle: Harris et al., 514. Caddo field: Harris et al., 514. salt region: Harris, 512. Mexico, Coahuila, coal-bearing strata: Aguilera, 10 . Missouri, southeastern: Buckley, 158. Montana, Great Falls region: Fishei^, 396, 397. Nevada, Tonopah district: Burgess, 167. New Jersey: Kummel, 682. Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. New Mexico, Gallina-Raton Spring coal field: Gardner, 436. Raton field: Lee, 744. Rio Grande region: Lee, 745. New York, Geneva-0 vid quadrangles: Luther, 786. Watkins Glen-Catatonk district: Williams et al., 1255. Oklahoma, Carboniferous: Beede, 91. Ohio, Devonian: Stauffer, 1096. Ontario, Onaman iron range: Moore, 883. Pleistocene: Coleman, 269. Ordovician, Cincinnati area: Foerste, 413. Ordovician, Silurian, and Devonian: Grabau, 472. Paleozoic, lower: Grabau, 472. Pennsylvania, Philadelphia district: Bascom etal., 74. Trenton quadrangle: Bascom et al., 75. Pre-Cambrian: Adams, 3; Van Hise and Leith, 1178. South Dakota, Black Hills region: Darton, 306, 307. Tertiary of California, Oregon, and Washington: Arnold, 32. Texas, Hemphill County: Eyerly, 383. Utah, southern, coal region: Richardson, 999. Virginia, western, Cambrian and Ordovician: Bassler, 78. Wyoming, Bighorn Basin: Washburne, 1204. Black Hills region: Darton, 306. Great Divide Basin coal field: Smith, 1077. Laramie Basin: Darton and Siebenthal, 313. Little Snake River coal field: Ball, 57. Sweetwater County: Schultz, 1039. Stream work: Shattuck, 1053. Strepsicerine antelopes: Merriam, 851. Striations and U-shaped valleys produced by other than glacial action: Hovey, 593. Strontium. United States (general): U. S. G. S., 1170. Study and teaching. See Educational. Subsidence. See Changes of level. Subterranean water. See Underground water. Sudbury: Ontario B. M., 909. 152 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Sulphate of soda. California, San Luis Obispo County: Arnold and Johnson, 34. Wyoming, Laramie Basin: Darton and Sieben- thal, 313. Sulphur. Alaska, Makushin deposits, Unalaska: Lawton, 741. Canada: Young, 1297. United States (general): U. S. G. S., 1170. Wyoming, Thermopolis: Woodruff, 1285. Surveys. General. State geological survey reports on limited areas: Carney, 199. Alaska: Brooks, 147. Colorado Geological Survey, report, 1908: George, 444. Florida, state geologist’s report: Sellards, 1048. Illinois, administrative report, 1908: Bain, 49. Illinois Geological Survey, work of: Bain, 47. Iowa, state geologist’s seventeenth report: Cal- vin, 189. Kansas survey, field work of: Haworth and Ben- nett, 517. Mexico, Chihuahua, northeastern: Rogers, 1012. Institute Geologico de Mexico: Aguilera, 11. Maine, State Survey Commission, fifth biennial report: 811. Maryland Geological Survey reports: Clark, 234- 230. Michigan, state geologist’s report, tenth: Lane, 727. North Carolina, state geologist’s biennial report: Pratt, 963, 965. North Dakota Geological Survey, report for 1907 and 1908: Leonard, 757, 760. United States Geological Survey, thirtieth an- nual report of the Director: Smith, 1082. metalliferous ore investigations: Lindgren, 770. nonmetallic mineral investigations: Hayes, 528. Wisconsin, report of director, 1906-08: Birge,115. sixth biennial report: Wis. G. N. H. S., 1275. Swamps. North Carolina: Davis, 314. Tables of geologic formations. See Stratigraphic. Talc. New York: Newland, 894. North Carolina: Pratt, 964. Quebec: Dresser, 361. United States (general): U. S. G. S., 1170. Tantalum. South Dakota: Hess, 549. Technique. Apparatus for structural geology: Hobbs, 583. Demonstrating ore formations, new method of: Nicholas, 895. Handbook for field geologists: Hayes, 525; (re- view) Lawson, 740. Instrumental surveying needed in practical geology: Lyman, 787. Laboratory methods in vertebrate paleontology: Hermann, 541. Preparation of geological papers: Wood, 1281. Tellurium. United States (general): U. S. G. S., 1170. Tellurides: Lenher, 756. Tennessee. Economic. Chattanooga district, iron: Higgins, 556. Clinton iron ore in Chattanooga region: Burch- ard, 164. Phosphate deposits: Van Horn, 1179. Zinc district, east Tennessee: Osgood, 919. Paleontology . Silurian fossils: Foerste, 411. Troost’s crinoids of Tennessee: Wood, 1280. Teratornis: Miller, 864. Terlingua, Texas, mercury minerals: Hillebrand and Schaller, 565. Terraces. See also Shore lines. Illinois, Danville region: Wegemann, 1214. northwestern: Carman, 198. Iowa, eastern: Carman, 198. West Virginia, Marshall, Wetzel, and Tyler counties: Hennen, 537. Tertiary. General: Dali, 299. Erosion intervals: Miller, 860. Land connection between North and South America: Scharff, 1030, 1031. Paleogeographic map: Willis, 1256. Correlation. Fort Union formation, correlated beds: Knowl- ton, 678. Hell Creek and Ceratops beds: Knowlton, 678. Tertiary correlation: Dali, 299. Stratigraphy. Alaska, Fortymile quadrangle: Prindle, 969. Kotsina-Chitina region: Moffit and Maddren, 875. Yakutat Bay region: Tarr and Butler, 1138. California: Arnold, 32. Coalinga district: Arnold, 31. McKittrick-Sunset district: Johnson, 631. San Pablo formation: Weaver, 1212. Santa Cruz quadrangle: Branner et al., 138. southern: Keyes, 660. Canada: Dowling, 350. Caribbean region: Guppy, 502. Colorado, Book Cliffs region: Richardson, 1000. Grand Mesa coal field: Lee, 743. Hahns Peak region, Routt County: George and Crawford, 446. northwestern: Gale, 433. southern: Gardner, 437. Florida: Matson, 828; Matson and Clapp, 829. southern: Sanford, 1025. Georgia: Veatch, 1184. Greenland: Nordenskjold, 900. Kentucky, Blue Grass region: Matson, 827. Louisiana: Harris, 512. northwestern: Harris et al., 514. Mexico, Baja California: Wittich, 1276. Coahuila: Aguilera, 10. Ixmiquilpan Valley, Hidalgo: Paredes, 940. Miocene of Astoria and Coos Bay, Oregon; Dali, 300. Montana, Bull Mountain coal field: Woolsey, 1288. INDEX. 153 Tertiary -Continued. Stratigraphy— Cont i nued . Montana— Continued. Crazy Mountains: Stone, 1115. Custer National Forest: Wegemann, 1215. Great Falls region: Fisher, 396. Miles City coal field: Collier and Smith, 274. Milk River coal field: Pepperberg, 949. Red Lodge coal field: Woodruff, 1283. Sentinel Butte lignite field: Leonard and Smith, 761. Sweetgrass County: Douglass, 348. Nebraska, Pliocene: Matthew and Cook, 840. western: Peterson, 951. Nevada, Goldfield district: Ransome, 976. Reno region: Anderson, 25. Silver Peak quadrangle: Turner, 1156. Yerington district: Ransome, 979. New Jersey: Kiimmel, 682. Philadelphia district: Bascom ct al., 74. Trenton quadrangle: Bascom et al., 75. New Mexico, Gallina-Raton Spring coal field: Gardner, 436. northern: Gardner, 437. North Carolina: Miller, 860. North Dakota, Sentinel Butte lignite field: Leonard and Smith, 761. Oregon: Arnold, 32. Miocene of Astoria and Coos Bay: Dali, 300. Pliocene of western Nebraska: Matthew and Cook, 840. South Dakota: Darton, 307. Black Hills region: Darton, 306. Texas: Dumble, 363; Harris, 512. Utah, Book Cliffs region: Richardson, 1000. northeastern: Gale, 433. Virginia: Miller, 860. Washington: Arnold, 32. Olympic Peninsula: Reagan, 989. Western North America: Osborn, 913. Wyoming, Bighorn Basin: Washburne, 1204; Woodruff, 1284. Black Hills region: Darton, 306. Bridger Basin: Matthew, 834. Glenrock coal field: Shaw. 1054. Great Divide Basin coal field: Smith, 1077. Laramie Basin: Darton and Siebenthal, 313. Little Snake River coal field: Ball, 57. Sweetwater County: Schultz, 1039. Washakie faunal horizons: Granger, 482. Washakie formation: Sinclair, 1065. Paleontology . Alabama, Claiborne shells: Wheeler, 1225. Ancodon: Matthew, 835. California, Santa Clara lake beds, Carinifex: Hannibal, 507. Coalinga district: Arnold, 31. Camel from lower Miocene of Nebraska: Cook, 281. Caribbean region: Guppy, 502. Carnivora and Insectivora of Bridger Basin Eocene: Matthew, 834. Coleoptera from Florissant: Wickham, 1247. Colorado, Florissant plants: Cockerell, 264. Miocene insects: Cockerell, 244, 245. Fagopsis from Florissant: Hollick, 587. Dipterafrom Florissant: Cockerell, 250. Tertiary -Continued. Paleontology- Continued. Dromomeryx, new genus of American rumi- nants: Douglass, 349. Drumfish from Miocene: Smith, 1071. Echinoids from Tertiary of California: Pack, 923. Eocene fossils from Green River: Cockerell, 259. Eocene insects from Colorado: Cockerell, 246, 255. Euphorbiacese: Cockerell, 262. Evolution and distribution of Tertiary faunas: Dali, 299. Faunal lists of Tertiary Mammalia of the West: Matthew, 836. Florissant fossils: Bather, 84; Cockerell; Roh- wer, 1014. Fulgur: Maury, 841. Insecta: Cockerell. Insecta from Florissant: Cockerell; Rohwer, 1013, 1014. Hell Creek and Ceratops beds faunas: Knowl- ton, 678. Mammal horizons of western North America: Osborn, 913. Mexico, Pliocene fauna from Tuxtepec: Bose 126. Miocene insects from Florissant: Cockerell; Rohwer, 1013, 1014. Miocene of Astoria and Coos Bay, Oregon: Dali, 300. Nebraska, western: Peterson, 951. Oligocene vertebrates from Wyoming: Mat- thew, 839. Pliocene fauna from western Nebraska: Mat- thew and Cook, 840. Proboscidean from Nebraska: Cook, 282. Strepsicerine antelopes in Nevada: Merriam, 851. Teleoceras from Nebraska Miocene: Olcott, 907. Tsetse fly from Florissant: Cockerell, 252. Turtle from Miocene of Maryland: Palmer, 936. Virginia, Miocene flora: Berry, 104. Washington, Olympic Peninsula: Reagan, 989. Wyoming, Eocene fossils from Green River: Cockerell, 259. Washakie faunal horizons: Granger, 482. Texas. General. El Paso quadrangle: Richardson, 998. Hemphill County: Eyerly, 383. Economic. Celestite deposits: Hess, 551. El Paso quadrangle: Richardson, 998. Iron in east Texas: Linton, 775. Iron ores of Llano County: Phillips, 955. Presidio silver mines, Shatter: Kirk, 671. Quicksilver: Phillips, 954. Quicksilver deposits of Brewster County: Dins- more, 343. Rock salt: Harris, 512. Tin mine: Dinsmore, 344. Dynamic and structural. Clay dunes: Coffey, 265. Rockwall: Paige, 928. Physiographic. Clay dunes: Coffey, 265. 154 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Texas— Continued. Stratigraphic. Chalk formations of northeast Texas: Gordon, 465; Hill, 563. El Paso quadrangle: Richardson, 998. Guadalupian stratigraphy: Girty, 456. Permian red beds: Case, 210. Tertiary: Dumble, 363. Wichita-Brazos red beds: Gordon, 466. Paleontology . Permian crinoid fauna: Weller, 1220. Permian reptiles: Matthew, 837. Trematops from the Permian: Williston, 1260. Mineralogy. Calcite crystals: Schaller, 1029. Calomel:. Goldschmidt and Mauritz, 459. Mercury minerals from Terlingua: Hillebrand and Schaller, 565. Underground water. El Paso quadrangle: Richardson, 998. Text-books. Crystallography: Wadsworth, 1195. Igneous rocks: Iddings, 610. Laboratory manual in physical geography: Hopkins and Clark, 590. Optical mineralogy, elements of: Winchell and Winchell, 1273. Thermal waters. Mexico, Queretaro, Montenegro: Villarello, 1185. Yellowstone National Park, radioactivity of thermal waters of: Schlundt and Moore, 1033. Tides: Chamberlin, 214. Tin. General : Lakes, 721. Alaska, Seward Peninsula: Knopf, 676. North Carolina: Ball, 59. South Carolina: Ball, 59; Hess, 549. South Dakota, Black Hills: Simmons, 1063. Texas: Dinsmore, 344. El Paso quadrangle: Richardson, 998. United States (general): U. S. G. S., 1170. Titanium. General: Baskerville, 76. United States (general): U. S. G. S., 1170. Tourmalin. Maine: Wade, 1194. Trachodon: Osborn, 915, 917. Trap. New York: Newland, 894. United States (general): U. S. G. S., 1170. Trap sheets of the Lake Nipigon basin: Wilson, 1262. Trematops; Williston, 1260. Trenton quadrangle, New Jersey- Pennsylvania: Bascom et al., 75. Triassic. General. Paleogeographie map: Willis, 1256. Stratigraphy. Alaska, Cape Thompson: Kindle, 669. Kotsina-Chitina region: Moffitand Maddren, 875. Triassic— Continued . Stratigraphy— Continued . Canada: Dowling, 350. maritime provinces: Matthew, 832. Colorado, Hahns Peak region, Routt County: George and Crawford, 446. north central: Henderson, 536. " Connecticut: Gregory, 493. Greenland: Nordenskjold, 900. New Jersey: Kurnmel, 682. Trenton quadrangle: Bascom et al., 75. Pennsylvania, Philadelphia district: Bascom et al., 74. Trenton quadrangle: Bascom et al., 75. South Dakota: Darton, 307. Belle Fourche quadrangle: Darton and O’Harra, 312. Black Hills region: Darton, 306. Wyoming, Black Hills region: Darton, 306. Laramie Basin: Darton and Siebenthal, 313. Triceratops: Hay, 520. Trilobites. See also Crustacea. Auburn chert fauna, Missouri: Branson, 139. Cincinnatian: Foerste, 412. Silurian fossils from Indiana, Ohio, and Ken- tucky: Foerste, 409. Tripoli. Missouri, Seneca: Nelson, 891. Tumamoe Hills, Arizona: Tolman, 1148. Tungsten. General: Baskerville, 76; Dickinson, 338; Surr, 1122. Arizona, Dragoon: Richards, 996. Whetstone Mountains: Hess, 550. Canada: W'alker, 1199, 1200; Young, 1297. Colorado: Ekeley, 370; Hills, 568; Walker, 1199. Boulder County: George, 443, 445. Idaho, Cceur d’Alene district: Rowe, 1016. Nova Scotia, Kings and Lunenburg counties: Faribault, 390. South Dakota: Hess, 549. United States (general): U. S. G. S., 1170; George, 445. Turquoise. Arizona: Platt, 956. New Mexico: Jones, 637. Turtles. See Reptilia. Unalaska, Makushin sulphur deposits: Lawton, 741. Unconformities. Erosion intervals in Tertiary of North Carolina and Virginia: Miller, 860. Grenville-Hastings: Miller and Knight, 866. Missouri, southeastern: Buckley, 158. New Mexico, Raton field: Lee, 744, 748. Valuation of: Blackwelder, 116. Underground water (general). See also Geysers, Mineral waters, and Thermal waters. For regional see the various States. General: Mendenhall, 844, 847. Artesian waters of the Atlantic Coastal Plain: Fuller, 432. Classification of mineral waters: Bartow, 71. Crystalline rocks, water in: Clapp, 233. INDEX. 155 Underground water— Continued. Effect of earthquakes on deep underground water circulation: Yeandle, 1296. Geologic basis for artesian prediction: Darton, 309. Ground water problems in the West: Menden- hall, 844. Mine waters, field assay: Lane, 728. Ungulata. See Mammalia. Upper Silurian. See Silurian. Uranium. General: Baskerville, 76; Dickinson, 338. Colorado: Fleck, 399, 400. United States (.general): U. S. G. S., 1170. Utah. Economic. Bingham Canyon: MacFarren, 805. Bingham copper district: MacFarlane, 804. Bingham district, Boston Consolidated: De Kalb, 335. Book Cliffs coal field: Richardson, 1000. Century and Susannah mines, Golden: Higgins, 560, Green River oil fields in Wayne County: Peet, 945. Harmony, Colob, and Kanab coal fields: Rich- ardson, 999. Iron Springs district: Review: Kemp, 647. Mineral deposits: Bradford, 134. Napoleon -Maghera mines in Sierra Madre Moun- tains, Box Elder County: Higgins, 559. Northeastern coal fields: Gale, 433. Oil field: Rogers, 1011. Ozokerite: MacFarren, 806. Phosphate deposits: Van Horn, 1179. San Juan River gold: Lakes, 693. Sevier Consolidated mine of Gold Mountain- Piute County: Higgins, 558. Utah copper mine: De Kalb, 334. Physiographic. Uinta and Wasatch Mountains: Atwood, 40. Stratigraphic. Book Cliffs coal field: Richardson, 1000. Uinta and Wasatch Mountains: Atwood, 40. Paleontology . Gar-pike: Cockerell, 260. Mineralogy. Amatrice: Zalinski, 1299. Leadhillite: Palache and La Forge, 930. Pyrite crystals from Bingham: Rogers, 1010. Valleys. General. Formation of: Carney, 201; Fenneman, 392; Hovey, 593. Hanging valleys: Johnson, 630. U-shaped valleys: Hovey, 593. Alaska, Yakutat Bay region: Tarr, 1136. Illinois, Danville region: Wegemann, 1214. northwestern: Carman, 198. Iowa, eastern: Carman, 198. Montana, Crazy Mountains: Mansfield, 813. New York, Moravia quadrangle: Carney, 203. Watkins, Gleri-C'atatonk district: Williams et al., 1255. Vanadium. General: Baskerville, 76. Colorado: Fleck, 399, 400. United States (general): U. S. G. S., 1170. Vermont. Economic. Copper, Orange County: Fay, 391; Judson, 640. Granites: Dale, 297. Vertebrata {general). See also Amphibia, Aves, Mammalia, Pisces, and Reptilia. General: Moodie, 876; Woodward, 1286. Aftonian mammalian fauna: Calvin, 188. Correlation through vertebrate paleontology: Osborn and Matthew, 918. Faunal relations of early vertebrates: Williston, 1259. Laboratory methods invertebrate paleontology: Hermann, 541. Pliocene fauna from western Nebraska: Mat- thew and Cook, 840. Skeletons of fossil vertebrates, restoration of: Hay, 523. Virginia. Economic. Cement resources: Bassler, 78. Copper deposits of Greene County: Haney, 506. Iron ores of Appalachian region: Harder, 510. Lead and zinc ores: Caldw’ell, 180. Manganese deposits: Ball, 58. Mineral production in 1908: Watson, 1209. Mineral resources: Schubert, 1035. Pocket coal district in Little Black Mountain field: Fisher, 398. Rutile deposits: 1305. Stratigraphic. Piedmont limestones: Mathews and Grasty, 825. Tertiary erosion intervals: Miller, 860. Western Virginia: Bassler, 78. Paleontology . Cretaceous floras: Berry, 109. Miocene flora: Berry, 104. Pleistocene swamp deposits: Berry, 108. Mineralogy. Calcite from Virgilina: Pogue, 958. Volcanic rocks. See Igneous and volcanic rocks. Volcanic topography: Smith, 1078. Volcanoes. General: Carter, 208; Hovey, 594. Magmatic waters and volcanic action: Hixon, 574. Seismic geology, evolution and outlook: Hobbs, 582. Guatemala: Anderson, 27. Hawaii: Hitchcock, 572. Kilauea: Hitchcock, 573. Kilauea and Mauna Loa: Brigham, 141. Mexico: Freudenberg, 430; Inkey, 615. Mont Pele in 1908: Hovey, 601. Volcanic bombs from Nova Scotia: Poole, 961. Washington. General. Geology and vein systems: Ingalls, 614. 156 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1900. Washington— Continued. Economic. Coal resources: Tarr, 1134. Geology and vein systems: Ingalls, 614. Mineral resources: Northwest M. J., 901. Selenium-bearing ores of Republic district: Lindgren, 774. Structural materials: Darton, 308. Physiographic. Mount Rainier National Park: Roberts, 1006. Stratigraphic. Olympic Peninsula: Reagan, 989. Sawtooth Range of Olympic Mountains: Arnold, 30. Tertiary: Arnold, 32. Paleontology. Olympic Peninsula: Reagan, 989. Petrology. Sawtooth Range of Olympic Mountains: Arnold, 30. Water, underground. See Underground water. Watkins Glen-Catatonk district: Williams et al., 1255. Weathering. Spheroidal weathering of dikes: Kemp, 645; Yillars, 1193. Soil wastage: Chamberlin, 215. Weathering and erosion as time measures: Lev- erett, 763. Well records. See Borings. Wells, deep, in southern Maine: Bayley, 87. West Indies (general). See also the various islands. Caribbean region, geological connections: Guppy, 502. West Virginia. General. Marshall, Wetzel, and Tyler counties: Hennen, 537. Economic. Coal: Stoek, 1110; White, 1231. central West Virginia: Stoek, 1113. upper Potomac fields: Stoek, 1112. Iron ores, salt, and sandstones: Grimsley, 496. Marshall, Wetzel, and Tyler counties: Hennen, 537. Middlebourne area, soil survey: Caine et al., 178. Physiographic. Marshall, Wetzel, and Tyler counties: Hennen, 537. Stratigraphic. Marshall, Wetzel, and Tyler counties: Hennen, 537. Wind work. General: Carman, 198. Arizona, southern bolson region: Tolman, 1149. Base level of eolian erosion: Keyes, 655. Clay dunes: Coffey, 265. Deflation in desert ranges: Keyes, 662. Denudation, error in estimating: Free, 427. Eolian erosion upon varying rock-belts: Keyes, 654. New Mexico: Keyes, 651. Sand drift phenomena: Free, 428. I Wisconsin. General. Geological survey, sixth biennial report: Wis. G. N. H. S., 1275. Report of director of survey, 1906-08: Birge, 115. Economic. Copper, southwestern area: Cox, 289. Iron fields of Lake Superior district: Brins- made, 143. Lead and zinc fields: Brinsmade, 142. Spring Valley brown iron ores: Allen, 16. Stratigraphic. Deposits on bluffs adjacent to the Mississippi: Squire, 1093. Devonic, middle: Cleland, 242. Discrimination of glacial drift sheets: Alden, 12. Glacial phenomena of southeastern Wisconsin: Alden, 13, 14. Wolframite. See also Tungsten. Arizona, Whetstone Mountains: P 3ss, 550. r yoming. Economic. Asbestos deposits: Lakes, 710. Bighorn Basin coal field: Washburne, 1204; Woodruff, 1284. Glenrock coal field: Shaw, 1054. Great Divide Basin coal field: Smith, 1077. Laramie Basin: Darton and Siebenthal, 313. Little Snake River coal field: Ball, 57. Natural gas: Lakes, 706. Phosphate deposits: Van Horn, 1179. Rock Springs coal field, Sweetwater County: Schultz, 1039. Sheridan coal field: Taff, 1129. Sulphur deposits, Thermopolis: Woodruff, 1285. Stratigraphic. Black Hills region: Darton, 306. Ceratops beds: Stanton, 1095. Hell Creek and Ceratops beds: Knowlton, 678. Laramie Basin: Darton and Siebenthal, 313. Laramie beds of Converse County: Sternberg, 1100. Laramie region: Blackwelder, 117. Loup Fork beds: Riggs, 1004. Washakie formation, faunal horizons: Granger, 482. Washakie, volcanic ash formation: Sinclair, 1065. Paleontology . Carnivora and Insectivora of Bridger Basin Eocene: Matthew, 834. Eocene fossils from Green River: Cockerell, 259. Iguanodont dinosaur, epidermis of: Osborn, 914. Jurassic crinoid, new: Springer, 1090. Loup Fork fauna: Riggs, 1004. Oligocene vertebrates: Matthew, 839. Rhynchocephalian reptile from Jurassic: Gil- more, 454. Trachodon from Laramie beds of Converse County: Sternberg, 1099. Underground water. Black Hills region: Darton, 306. Laramie Basin: Darton and Siebenthal, 313. INDEX. 157 Wyoming— Continued. Underground water— Continued. Yellowstone National Park, thermal waters, radioactivity of: Schlundt and Moore, 1033. Yukon. General. Pelly River basin: Keele, 641. Whitehorse copper belt: McConnell, 791. Whitehorse-Tantalus region: Cairnes, 179. Economic. Whitehorse copper deposits: Stutzer, 1121. Whitehorse-Tantalus region: Cairnes, 179. Zinc. Arizona, Mohave County: Schrader, 1034. Canada: Young, 1297. Colorado, Aspen: Spurr, 1092. Montezuma district, Summit County: Pat- ton, 943. Zinc— Continued. Mexico. Chihuahua, Las Plomosas: Burrows, 171. San Ygnacio mine: Peragallo, 950. Missouri: Buckley, 160; Keyes, 658. Joplin zinc belt, migrations of: Keyes, 659. Ozark region: Buckley, 159; Keyes, 653. Ozark deposits, genesis of: Keyes, 657. Nevada, southern: White, 1235. New Jersey, Sussex County: Spencer, 1089. New Mexico, Tres Hermanas district: Lind- gren, 771. Tennessee, east: Osgood, 919. Virginia: Caldwell, 180. United States (general): U. S. G. S., 1170; Lind- gren, 772. Wisconsin: Brinsmade, 142. Zircon. General: Baskerville, 76. United States (general): U. S. G. S.,1170. LISTS. CHEMICAL ANALYSES. [The numbers refer to entries in the bibliography.] Alamosite, 93i. Alaskite, 1156. Amphibole, 781. Amphibolite, 2, 638. Andesite, 167, 960, 976. Antimony ore, 980. Argillite, 766. Arizonite, 934. Augen-schist, 1156. Basalt, 75, 976. Belcherose, 358. Benitoite, 781. Bentonite, 306, 313. Bismite, 976. Bowlder, altered, 729. Caliche, 120. Cancrinite, 4. Cement materials, 948. Chalk, 465. Chloropal, 1156. Chromite, 1170. Clay, 53, 70, 308, 538, 778, 828, 998, 1119, 1184. Clay ironstone, 1066. Clinton ore, 1066. Coal, 41, 57, 184, 185, 274, 313, 339, 350, 396, 398, 433, 437, 538, 540, 758, 761, 784, 949, 997, 1000, 1039, 1054, 1077, 1110, 1129, 1204, 1230, 1283, 1284, 1288. Cobalt, 980. Connellite, 932. Dacite, 290, 976. Dawsonite,468. Diabase, 74, 75, 82 , 638, 764, 960. Diabase porphyrite, 729. Diorite, 9. Dolomite, 78, 158, 1156. Dumortierite, 883. Eglestonite, 565. Epidote, 9, 175. Epsomite, 313. Essexite, 2. Feldspar, 4, 778. Ferberite, 443, 445, 470. Fluorspar, 1170. Fuller’s earth, 1050. Gabbro, 2, 74, 75. Ganister, 177. Gneiss, 74, 75, 82, 638, 1211. Goldfieldite, 976. Granite, 9, 74, 638, 766, 1156, 1201, 1211. Granite augen schist, 1156. Granodiorite, 980. Graphite, 1170. Gypsum, 313, 467. Hampdenite, 1009. Hampshirite, 1009. Hematite, 9, 1066. Hornblende, 4. Hornblende schist, 82. Hornblende-biotite andesite, 976. Hornstone, 1158. Hubnerite, 370. Igneous rocks, average, 856. Iodyrite, 681. Iron ore, 16, 164, 223, 224, 510, 679, 892, 926, 1217, 1282. Iron ore, Clinton, 892. Kaolin, 212. Kleinite, 565. Lava, 141. Lignite, 761, 1074. Limestone, 74, 75, 78, 313, 306, 308, 340, 766, 819, 948, 998,1119. Limonite, 1066. Magnetite, 9, 86, 1066. Marble, 308. Metagabbro, 74. Meteorites, 856. Mica schist, 638. Mine water, 729. Minette, 1034. Montroydite, 565. Natural gas, 69, 1170. Nepheline, 4. Nepheline syenite, 75. Neptunite, 135. Nickel ore, 980. Paint ore, 1170. Palisadose, 358. Peat, 112, 314. Petroleum, 330, 1170. Pitchblende, 399. Portland cement, 308. Porphyrite, 729. Porphyry, 175, 638, 900. Pyroxene, 1156. Pyroxene-hornblende andesite, 976. Quartz schist, 638. Quartzite, 74, 75. Retinite, 976. Rhyolite, 167, 960, 1034. 158 LISTS, 159 Rhyolitic tuff, 1148. River water, 303. Scapolite, 9. Schist, 74, 638. Serpentine, 1009. Shale, 70, 78, 306, 308, 538, 819, 998, 1184. Slate, 1184. Sodalite, 4. Sodium sulphate, 34, 313. Syenite, 5, 75. Syenite porphyry, 998. Terlinguaite, 565. MINERALS iEgyrine, 781. Alamosite, 931. Albite, 497, 781, 933. Alunite, 976. Amatrice, 1299. Amphibole, 781. Analcime, 124. Apophyllite, 124. Aragonite, 124. Arizonite, 934. Autunite, 76, 1227. Azurite, 875. Baddeleyite, 76. Barite, 565, 976. Benitoite, 578-580, 781, 929. Biotite, 5. Bismite, 976. Bismuthinite, 976. Boracite, 1196. Bornite, 875. Brookite, 76. Calamine, 419. Calaverite, 756. Calcite, 4, 124, 417, 565, 778, 958, 976, 1029. Calomel, 459, 565. Cancrinite, 4. Carnotite, 76, 1227. Cerargyrite, 976. Chabazite, 124. Chalcanthite, 875. Chalcedony, 124. Chalcocite, 875. Chalcopyrite, 875, 933. Chlorite, 933. Cleveite, 76. Clinoenstatite, 1291, 1301. Cobaltite, 933. Colemanite, 1196. Connellite, 933. Corundum, 4, 933. Cuprite, 875. Datolite, 418. Dawsonite, 478. Descloizite, 76. Diaspore, 933, 976. Diopside, 20, 325. Dumortierite, 883. Durdenite, 976. Eglestonite, 565. Emmonsite, 976. Enargite, 976. Enstatite, 1291, 1301. Trachyte, 1034. Tungsten ore, 443, 1199. Turquoise, 637. Vesuvianite, 1156. Vogesite, 1034. Volcanic ash, 313. Water, 72, 74, 303, 313, 346, 397, 532, 533, 728, 729, 732, 827, 935. Wolframite, 370. Yamaskose, 358. Zinc blende, 1170. Zinc ore, 771. DESCRIBED. Epidote, 933, 976. Eucolite, 4. Eudialyte, 76. Famatinite, 976. Feldspar, 4, 778, 976. Ferberite, 370, 443, 445. Garnet, 4. Glauconite, 778. Goldfieldite, 976. Graphite, 4. Gummite, 76. Gypsum, 565, 778, 976. Halotrichite, 976. Hampdenite 1009. Hampshirite, 1009. Hematite, 778, 976. Heulandite, 124. Hornblende, 4, 778. Hiibnerite, 76, 443, 445, 1199. Ilmenite, 76, 778, 933. Iodyrite, 681. Jarosite, 565, 976. Kaolinite, 778, 976. Kleinite, 565. Krennerite, 756. Laumontite, 124. Leadhillite, 930. Levynite, 124. Limonite, 976. Magnetite, 4, 933, 1009. Malachite, 875. Marcasite, 778, 976. Melanterite, 976. Mercury, 565. Mesolite, 124. Mica, 778. Monazite, 966. Montroydite, 565. Muscovite, 4, 976. Natrolite, 124 , 581, 781. Nepheline, 4. Neptunite, 135, 416, 581, 781. Nesquehonite, 478. Nivenite, 76. Nontronite, 98. Pandermite, 1196. Perofskite, 76. Pyrite, 778, 933, 976, 1010. Pyromorphite, 131. Quartz, 124 , 778, 976. Roscoelite, 76. Rutile, 76, 778, 933. 160 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Scapolite, 4. Scheelite, 76, 443, 445, 1199. Scolecite, 124. Siderite, 778. Sodalite, 4. Stilbite, 124. Sulphur, 976. Sylvanite, 756. Tellurium, 756. Tenorite, 875. Terlinguaite, 565. Thomsonite, 124. Thorogummite, 76. Tincal, 1196. Titanite, 76. Torbercite, 76. Tourmaline, 883, 933. Tungstite, 1199. Turquoise, 637. Ulexite, 1196. Uraninite, 76. Uranophane, 76. Uranosphserite, 76. Utahlite, 1299. Vanadinite, 76. Wolframite, 76, 443, 445, 1199. Zircon, 4, 76. ROCKS DESCRIBED. Alaskite, 976, 1156. Alunite, 767. Amphibolite, 2, 638, 1164. Andesite, 167, 290, 291, 446, 960, 976, 1034, 1156. Andesite porphyry, 999. Andose, 2. Aplite, 290, 1201. Aporhyolite, 1119. Augite camptonite, 174. Basalt, 74, 138, 181, 291, 900, 976, 1148, 1156. Basalt porphyry, 291. Biotite andesite, 1148. Biotite gneiss, 1164 Biotite granite, 174. Breccia, 960. Bruniase, 358. Camptonose, 82. Chert, 30. Conglomerate, 174. Dacite, 290, 291. 960, 1156. Dacite porphyry, 446. Diabase, 30, 74, 75, 138, 174, 290, 291, 638, 883, 960, 999, 1034. Diorite, 2, 181, 368, 446, 735. Dolomite, 1164. Epidote, pyrogenetic, 175. Felsite, 291. Foliates, 82. Gabbro, 74, 75, 446, 960. Gneiss, 74, 75, 82, 86, 290, 445, 638, 679, 867, 1156, 1164. Granite, 74, 82, 290, 368, 445, 638, 679, 735, 976, 999, 1125, 1156, 1201. Granite gneiss, 74. Granite porphyry, 1034. Granodiorite, 97, 181. Graywacke, 174, 1164. Greenstone, 735, 883. Hornblende gneiss, 75, 1164. Kedabekase, 960. Kersantite, 1034. Lamprophyre, 181, 291. GEOLOGIC FORMjA Abilene conglomerate, Carboniferous, Kansas: Beede, 90. Abo sandstone, Pennsylvanian, New Mexico: Lee, 745. Acadian, Cambrian, North America: Grabau, 472. Admire formation, Carboniferous, Kansas: Haworth and Bennett, 518. Aftonian beds, Pleistocene, Iowa: Shimek, 1060. Lassenose, 960. Latite, 290, 291, 446. Latite porphyry, 291, 446. Limburgite, 291. Limestone, 74. Metabasalt, 1119. Metagabbro, 74. Metaperidotite, 75. Metapyroxenite, 75. Metarhyolite, 1156. Mica schist, 638. Minette, 1034. Monzonite, 290. Muscovite granite, 174. Nepheline syenite, 4, 74. Olivine basalt, 446, 1148. Palisadose, 358. Pantellerose, 960. Pegmatite, 86, 138, 290, 445, 1164, 1201, 1203. Phyllite, 82. Porphyry, 290, 446, 638, 900. Pyroxenite, 291. Quartz basalt, 446. Quartz diorite, 138, 174, 1156. Quartz monzonite, 181, 1156. Quartz schist, 638. Quartzite, 74, 75. Quebecase, 358. Rhyolite, 167, 290, 446, 883, 960, 976, 1034, 1156. Rhyolite porphyry, 446, 883. Rhyolitic tuff, 1148. Sandstone, 30. Schist, 30, 74, 290, 638, 679, 883, 1156. Serpentine, 30, 138. Slate, 82, 174, 960. Syenite, 4, 75, 181. Syenite gneiss, 867. Syenite porphyry, 999. Trachyte, 290. Tuff, 138, 960, 976. Vogesite, 1034. IONS DESCRIBED. Aftonian interglacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Aftonian interglacial interval, Pleistocene, Iowa: Calvin, 187. Akron dolomite (Bullhead), Silurian, New York: Sherzer and Grabau, 1058. Alachua clays, Pliocene, Florida: Matson and Clapp, 829. LISTS. 161 Alexandrian series, Silurian, Illinois and Missouri: Savage, 1027. Alger member, Silurian, Kentucky: Foerste, 409. Algonquin clay, Pleistocene, Ontario: Coleman, 269. Allegheny series, Carboniferous, West Virginia: Hennen, 537. Allen limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Allentown limestone, Cambrian, Pennsylvania: Wherry, 1229. Altamaha formation, Tertiary, Georgia: Veatch, 1184. Altamont limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Alum Bluff formation, Oligocene, Florida: Matson and Clapp, 829. American Fork formation, Cretaceous, Montana: Douglass, 348. Americus limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Ames limestone, Carboniferous, Ohio: Condit, 280. Ames limestone, Carboniferous, Pennsylvania: Raymond, 983. Amherstburg bed, Silurian, Michigan: Lane et al., 733. Amherstburg dolomite, Silurian, Michigan and adjacent: Sherzer and Grabau, 1058. Anamosa limestone, Silurian, Illinois and Iowa: Carman, 198. Anderdon coral limestone, Silurian, Michigan and adjacent: Sherzer and Grabau, 1058. Anderdon limestone, Silurian, Michigan: Lane et al., 733. Annona chalk, Cretaceous, Texas: Gordon, 465. Antietam sandstone, Cambrian, Pennsylvania: Stose, 1119. Antietam sandstone, Cambrian, Virginia: Bassler, 78. Apalachiola group, Oligocene, Florida: Matson and Clapp, 829. Appanoose formation, Carboniferous, Iowa: Lees, 751. Arcadia marl, Pliocene, Florida: Matson and Clapp, 829. Archer beds, Pliocene, Florida: Matson and Clapp, 829. Arisaig formation, Silurian, Nova Scotia: Twen- hofel, 1158. Arkansas novaculite, Arkansas: Purdue, 972. Aspalaga marl, Oligocene, Florida: Matson and Clapp, 829. Astoria shales, Tertiary, Oregon: Dali, 300. Athens shale, Ordovician, Virginia: Bassler, 78. Atoka formation, Carboniferous, Oklahoma: Taff, 1130. Aurora formation, Mexico: Burrows, 171. Austin formation, Cretaceous, Texas: Gordon, 465. Bailey (Lower Helderberg), Silurian, Missouri: Buckley, 158. Bainbridge (Niagara), Silurian, Missouri: Buckley, 158. Bald Eagle conglomerate, Ordovician, Pennsyl- vania: Grabau, 472, 476. Baltimore gneiss, pre-Cambrian, Pennsylvania: Bascom, 73; Bascom et al., 74, 75. 56693°— Bull. 444—10 41 Bandera shales, Carboniferous, Kansas: Haworth and Bennett, 518. Bangor limestone, Carboniferous, Georgia: Veatch, 1184. Bass Island series (lower Monroe), Silurian: Lane et al., 733. Bays sandstone, Ordovician, Virginia: Bassler, 78. Beacon Hill formation, Pliocene, New Jersey: Kummel, 682. Bear Mountain granite, Colorado: Patton, 943. Bearpaw, Cretaceous, Canada: Dowling, 350. Bearpaw shale, Cretaceous, Montana: Pepperberg, 948, 949; Stone, 1114. Bearpaw shale, Cretaceous, Wyoming: Wash- burne, 1204. Bearpaw shales, Cretaceous, Montana: Douglass, 348. Beaver limestone, Cambrian, Georgia: Veatch, 1184. Beavertown marl, Silurian, Ohio: Foerste, 409. Becraft limestone, Devonian, New Jersey: Kum- mel, 682. Bedford formation, Mississippian, Ohio and Ken- tucky: Morse and Foerste, 887. Bedford shale, Carboniferous, Ohio: Carney, 200. Beekmantown limestone, Ordovician, Pennsyl- vania: Stose, 1119. Beekmantown limestone, Ordovician, Virginia: Bassler, 78. Beekmantownian, Ordovician: Grabau, 472. Bellvale sandstone, Devonian, New Jersey: Kum- mel, 682. Belly River, Cretaceous, Canada: Dowling, 350. Belly River formation, Cretaceous, Alberta: Dowl- ing, 352. Benton, Cretaceous, Canada: Dowling, 350. Benton formation, Cretaceous, Colorado: Hender- son, 536. Benton formation, Cretaceous, Wyoming: Darton and Siebenthal, 313. Benton group, Cretaceous, South Dakota: Darton, 307. Benton shale, Cretaceous, North Dakota: Barry and Melsted, 70. Benton shale, Cretaceous, South Dakota: Todd, 1146. Benwood limestone, Carboniferous, West Virginia: Hennen, 537. Berea formation, Carboniferous, Ohio: Carney, 200. Berea grit, Mississippian, Ohio and Kentucky: Morse and Foerste, 887. Bertie waterlime, Silurian, New York: Luther, 786. Bethany Falls limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Big Blue series, Carboniferous, Kansas: Haworth and Bennett, 518. Bigfork chert, Ordovician, Arkansas: Purdue, 972, 973. Birdsville formation, Mississippian, Missouri: Buck- ley, 158. Birmingham shale, Carboniferous, Pennsylvania: Raymond, 983, 984. Black Hand formation, Carboniferous, Ohio: Car- ney, 200. Black Hand formation, Mississippian, Ohio and Kentucky: Morse and Foerste, 887. 162 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Black River formation, Ordovician, New York: Miller, 867. Bladen formation, Cretaceous, North Carolina: Stephenson, 1098. Blanchester division, Ordovician, Ohio: Foerste, 413. Blanchester division, Ordovician, Ohio and Indi- ana: Foerste, 411. Blaylock sandstone, Ordovician, Arkansas: Pur- due, 972, 973. Bliss sandstone, Cambrian, Texas: Richardson, 998. Blossom sands, Cretaceous, Texas: Gordon, 465. Blufftown marl, Cretaceous, Georgia: Veatch, 1184. Bone Valley gravel, Pliocene, Florida: Matson and Clapp, 829. Bonterre formation, Cambrian, Missouri: Buckley, 158. Boquilla slates, Mexico: Burrows, 171. Bossardville limestone, Silurian, New Jersey: Kiimmel, 682. Bowie shale, Cretaceous, Colorado: Lee, 743. Brassfield limestone, Silurian, Kentucky and Ohio: Foerste, 409. Bretonian, Cambrian, North America: Grabau, 472. Bridger formation, Eocene, Wyoming: Matthew, 834. Bridger formation, Tertiary, Wyoming: Sinclair, 1065. Bridgeton formation, Pleistocene, New Jersey: Kiimmel, 682. Bridgeton formation, Quaternary, New Jersey: Bascom et al., 74, 75. Brown Park formation, Tertiary, Colorado: Gale, 433. Brownstown marls, Cretaceous, Texas: Gordon, 465-. Brunswick beds, Triassic, New Jersey: Kiimmel, 682. Brunswick shale, Triassic, Pennsylvania: Bascom, et al., 74, 75. Brush Creek formation, Carboniferous, Pennsyl- vania: Raymond, 983. Buena Vista member, Mississippian, Kentucky: Morse and Foerste, 887. Bufa sandstone, Mexico: Botsford, 129. Buffalo sandstone, Carboniferous, Pennsylvania: Raymond, 983. Bullhead dolomite (Akron), Silurian, New York: Sherzer and Grabau, 1058. Burches Ferry formation, Cretaceous, North Caro- lina: Stephenson, 1098. Burke formation, Algonkian, Idaho and Montana: Calkins, 181. Burlingame limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Burlington formation, Mississippian, Missouri: Buckley, 158. Burton sandstone, Carboniferous, West Virginia: Hennen, 537. Bushberg sandstone, Devonian, Missouri: Buckley, 158. Butano sandstone, Oligocene, California: Branner et al., 138. Byram gneiss, New Jersey: Bayley, 86. Byram gneiss, pre-Cambrian, New Jersey: Kiim- mel, 682. Caddo shale, Ordovician, Arkansas: Purdue, 973. Calhoun shales, Carboniferous, Kansas: Haworth and Bennett, 518. * Calico Bluff formation, Carboniferous, Alaska: Prindle, 969. Callaway limestone, Devonian, Missouri: Greger, 491. Caloosahatchee marl, Pliocene, Florida: Matson and Clapp, 829. Cambridge limestone, Carboniferous, Ohio: Condit, 280. Camillus shale, Silurian, New York: Luther, 786. Caney shale, Carboniferous, Oklahoma: Girty, 455, 457; Taff, 1130, 1131. Cape Brown series, Triassic, Greenland: Norden- skjold, 900. Cape Fear formation, Cretaceous, North Carolina: Stephenson, 1098. Cape Fletcher formation, Greenland: Nordenskjold, 900. Cape Girardeau, Silurian, Missouri: Buckley, 158. Cape Leslie sandstone, Jurassic, Greenland: Nor- denskjold, 900. Cape May formation, Pleistocene, New Jersey: Kiimmel, 682. Cape May formation, Quaternary, Delaware, Penn- sylvania, and New Jersey: Bascom et al., 74, 75. Cape Stewart beds, Jurassic, Greenland: Norden- skjold, 900. Cardiff shale, Devonian, New York: Luther, 786. Carlile shale, Cretaceous, South Dakota: Darton, 307; Darton and O'Harra, 312. Carlile shale, Cretaceous, Wyoming and South Dakota: Darton, 306. Carolina gneiss, Archean, North and South Caro- lina: Pratt and Sterrett, 968. Cascade formation, Cretaceous, Montana: Fisher, 397. Cashaqua River shale, Devonian, New York: Luther, 786. Casper formation, Carboniferous, Wyoming: Darton and Siebenthal, 313. Cassville plant shale, Carboniferous, West Virginia: Hennen, 537. Castle limestone member, Carboniferous, Montana: Fisher, 396. Catskill formation, Devonian, New York: Williams, 1254. Catskill formation, Devonian, Pennsylvania: Stose, 1119. Cayuga formation, Silurian, Pennsylvania: Stose, 1119. Cayugan, Silurian, New York: Luther, 786. Cayuta shale member, Devonian, New York: Wil- liams, 1254. Ceratops beds, Cretaceous, Wyoming and Montana: Stanton, 1094. Ceratops beds, Eocene, Wyoming: Knowlton, 678. Chadron formation, Tertiary, Wyoming and South Dakota: Darton, 306. Chambersburg formation, Ordovician, Virginia: Bassler, 78. Chambersburg limestone, Ordovician, Pennsylva- nia: Stose, 1119. Chanute shales, Carboniferous, Kansas: Haworth and Bennett, 518. Chase stage, Carboniferous, Kansas: Haworth and Bennett, 518. Chattahoochee formation, Oligocene, Florida: Mat- son and Clapp, 829. LISTS. 163 Chemung formation, Devonian, New York: Wil- liams, 1254. Chattahoochee group, Tertiary, Georgia: Veatch, 1184. Chattanooga shale, Devonian, Georgia: Veatch, 1184. Chazy, Ordovician, North America: Grabau, 472. Chazyan, Ordovician: Grabau, 472. Chemung formation, Devonian, Pennsylvania: Stose, 1119. Chemung or Kinderhook, Mississippian, Missouri: Buckley, 158. Cherokee beds, Carboniferous, Iowa: Lees, 751. Cherokee shales, Carboniferous, Kansas: Haworth and Bennett, 518. Cherokee stage, Carboniferous, Kansas: Haworth and Bennett, 518. Cherry vale shales , Carboniferous , Kansas : Haworth and Bennett, 518. Chester formation, Mississippian, Illinois and Mis- souri: Fenneman, 392. Chicamauga limestone, Ordovician, Georgia: Veatch, 1184. Chickamauga limestone, Ordovician, Virginia: Bass- ' ler, 78. Chickies quartzite, Cambrian, Pennsylvania: Bas- com et al., 74, 75. ' Chico formation, Cretaceous, California: Arnold, 31; Branner, et al., 138. Chipola marl member, Oligocene, Florida: Matson and Clapp, 829. Chispa andesite, Tertiary, Nevada: Ransome, 976. Chitistone limestone, Triassic, Alaska: Moffit and Maddren, 875. Choctawhatchee marl, Pliocene, Florida: Matson and Clapp, 829. Chouteau formation, Mississippian, Missouri: Buck- ley, 158. Chouteau limestone, Mississippian, Missouri and Illinois: Weller, 1218. Chugwater formation , Triassic ?, W yoming: Darton and Siebenthal, 313. Cimarron series, Carboniferous, Kansas: Haworth and Bennett, 518. Claggett, Cretaceous, Canada: Dowling, 350. Claggett beds, Cretaceous, Montana: Douglass, 348. Claggett formation, Cretaceous, Montana: Fisher, 397; Pepperberg, 949; Stone, 1114. Claggett formation, Cretaceous, Wyoming: Wash- burne, 1204. Claiborne group, Tertiary, Georgia: Veatch, 1184. Claiborne stage, Eocene, Louisiana and Texas: Harris, 512. Clallam formation, Oligocene-Miocene, Washington: Reagan, 989. Clarke interglacial, Pleistocene, Ontario: Coleman, 269. Clarksville division, Ohio: Foerste, 413. Clear Creek (Oriskany), Devonian, Missouri: Buck- ley, 158. Clinch sandstone, Ordovician, Virginia: Bassler, 78. Clinton limestone, Silurian, Indiana: Kindle and Barnett, 670. Clinton shale, Silurian, Pennsylvania: Stose, 1119. Cloverly formation, Cretaceous, Wyoming: Dartoq and Siebenthal, 313; Washburne, 1204. Coaledo formation, Tertiary, Oregon: Dali, 300. Cobleskill waterlime, Silurian, New York: Luther, 786. Coeymans limestone, Devonian, New Jersey: Kiirn- mel, 682. Coffeyville limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Cohansey sand, Miocene, New Jersey: Kiimmel, 682. Cohansey sand, Tertiary, New Jersey: Bascom et al., 74,75. Collier shale, Arkansas: Purdue, 972, 973. Colorado formation, Cretaceous, Montana: Fisher, 397. Colorado formation, Cretaceous, North Dakota: Barry and Melsted, 70. Colorado formation, Cretaceous, Texas: Richard- son, 998. Colorado group, Cretaceous, Colorado: Henderson, 536. Colorado group, Cretaceous, South Dakota: Todd, 1146. Colorado group, Cretaceous, Wyoming: Smith, 1077. Colorado shale, Cretaceous, Montana: Calvert, 185; Fisher, 396; Stone, 1114. Colorado shale, Cretaceous, Wyoming: Washburne, 1204; Woodruff, 1284. Columbia formation, Pleistocene, Georgia: Veatch, 1184. Columbus limestone, Devonian, Ohio- Stauffer, 1096. Comanche formation, Cretaceous, Colorado: Hen- derson, 536. Comanche series, Cretaceous, Texas: Richardson, 998. Conasauga shale, Cambrian, Georgia: Veatch, 1184. Conchos gravels, Mexico: Burrows, 171. Conemaugh formation, Carboniferous, Ohio: Condit, 280. Conemaugh series, Carboniferous, West Virginia: Hennen, 537. Conococheague limestone, Cambrian, Pennsylvania: Stose, 1119. Conococheague limestone, Cambro-Ordovician, Vir- ginia: Bassler, 78. Coos conglomerate, Tertiary: Dali, 300. Coplay limestone, Ordovician, Pennsylvania: Wherry, 1229. Cottonwood limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Cottonwood white layer, Eocene, Wyoming: Matthew, 834. Council Grove stage, Carboniferous, Kansas: Ha- worth and Bennett, 518. Crab Orchard formation, Silurian, Kentucky: Foerste, 409. Craghead Creek shale, Devonian, Missouri: Greger, 491. Crescent formation, Eocene, Washington: Reagan, 989. Crystal Mountain sandstone, Ordovician, Arkansas: Purdue, 972, 973. Cuchillo formation, Mexico: Burrows, 171. Cusseta sand, Cretaceous, Georgia: Veatch, 1184. Cuyahoga formation, Carboniferous, Ohio: Carney, 200 . 164 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Cuyahoga formation, Mississippian, Ohio and Ken- tucky: Morse and Foerste, 887. Cynthiana formation, Ordovician, Kentucky: Foerste, 413. Cynthiana formation, Ordovician, Ohio and Ken- tucky: Foerste, 412. Cypress formation, Mississippian, Missouri: Buck- ley, 158. Dakota, Cretaceous, Canada: Dowling, 350. Dakota formation, Cretaceous, Colorado: George and Crawford, 446; Henderson, 536. Dakota sandstone, Cretaceous, Colorado: Gale, 433; Martin, 819. Dakota sandstone, Cretaceous, Colorado and Utah: Richardson, 1000. Dakota sandstone, Cretaceous, New Mexico: Gard- ner, 436. Dakota sandstone, Cretaceous, North Dakota: Barry and Melsted, 70; Willard, 1253. Dakota sandstone, Cretaceous, South Dakota: Dar- ton, 307; Darton and O’Harra, 312; Todd, 1146. Dakota sandstone, Cretaceous, Wyoming and South Dakota: Darton, 306. Davis formation, Cambrian, Missouri: Buckley, 158. Deadwood sandstone, Cambrian, South Dakota: Darton, 307. Deadwood formation, Cambrian, Wyoming and South Dakota: Darton, 306. Decker Ferry formation, Silurian, New Jersey: Kiimmel, 682. Deer Creek limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Delaware limestone, Devonian, Ohio: Stauffer, 1096. Dennis limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Derby formation, Cambrian, Missouri: Buckley, 158. Des Moines stage, Carboniferous, Iowa: Lees, 751. De Soto beds, Pliocene, Florida: Matson and Clapp, 829. Detroit River series (upper Monroe), Silurian: Lane el al., 733. Doerun formation, Cambrian, Missouri: Buckley, 158. Dolgeville shales, Ordovician, New York: Miller, 867. Don beds, Pleistocene, Ontario: Coleman, 269. Douglas stage, Carboniferous, Kansas: Haworth and Bennett, 518. Doyle shales, Carboniferous, Kansas: Haworth and Bennett, 518. Dripping Spring quartzite, Cambrian, Arizona: Truesdell, 1155. Drum limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Dundee limestone, Devonian, Michigan and adja- cent: Sherzer and Grabau, 1058. Dunkard series, Carboniferous, West Virginia: Hennen, 537. Eagle, Cretaceous, Canada: Dowling, 350. Eagle beds, Cretaceous, Montana: Douglass, 348. Eagle sandstone, Cretaceous, Montana: Calvert, 185; Fisher, 397; Pepperberg, 949; Stone, 1114. Eagle sandstone, Cretaceous, Wyoming: Wash- burne, 1204; Woodruff, 1284. Eagle Ford formation, Cretaceous, Texas: Gordon, 465. Eden formation, Ordovician, Cincinnati region: Grabau, 472. Eden shale, Ordovician, Kentucky: Matson, 827. Edgewood limestone, Silurian, Illinois and Missouri: Savage, 1027. Edmonton, Cretaceous, Alberta: Dowling, 350. Edmonton formation,' Cretaceous, Alberta: Dow- ling, 352. Elbert formation, Devonian, Colorado: Kindle, 666. Elbrook formation, Cambrian, Pennsylvania: Stose, 1119. Elbrook limestone, Cambro-Ordovician, Virginia: Bassler, 78. Ellis formation, Jurassic, Montana: Calvert, 185; Fisher, 396, 397. Elmdale formation, Carboniferous, Kansas: Ha- worth and Bennett, 518. Elm Grove limestone, Carboniferous, West Virginia: Hennen, 537. El Paso limestone, Ordovician, Texas: Richardson, 998. Eminence formation, Cambrian, Missouri: Buck- ley, 158. Empire formation, Tertiary, Oregon: Dali, 300. Emporia limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Enfield shale member, Devonian, New York: Wil- liams, 1254. Englewood limestone, Carboniferous, South Dakota: Darton, 307. Englewood limestone, Carboniferous, Wyoming and South Dakota: Darton, 306. Englishtown sand, Cretaceous, New Jersey: Bas- com ct al., 74, 75; Kiimmel, 682. Enterprise shales, Carboniferous, Kansas: Beede, 90. Erian, Devonian, New York: Luther, 786. Eskridge shales, Carboniferous, Kansas: Haworth and Bennett, 518. Esmeralda formation, Tertiary, Nevada: Turner, 1156. Esopus grit, Devonian, New Jersey: Kiimmel, 682. Espina breccia, Tertiary, Nevada: Ransome, 976. Estill clay, Silurian, Kentucky: Foerste, 409. Etchegoin formation, Miocene, California: Arnold, 30. Etchegoin-Jacalitos formation, California: Johnson , 631. Etcheminian, Cambrian, North America: Grabau, 472. Eutaw formation, Cretaceous, Georgia: Veatch, 1184. Everglades limestone, Pleistocene, Florida: Matson and Clapp, 829. Fern Glen formation, Devonian, Missouri: Buckley, 158. Fern Glen formation, Mississippian, Missouri and Illinois: Weller, 1218, 1221. Fern Glen shale, Mississippian, Illinois and Mis- souri: Fenneman, 392. Fernie shale, Jurassic, British Columbia: Dowling, 350. Fernvale limestone, Ordovician, Illinois: Savage, 1027. LISTS, 165 Fish Creek beds, Cretaceous, Montana: Douglass, 348. Fish Creek sandstone, Carboniferous, West Vir- ginia: Hennen, 537. Fishkill limestone, Cambro-Ordovicic, New York: Clarke, 240. Flat Rock dolomite, Silurian, Michigan and adja- cent: Sherzer and Grabau, 1058. Flat Rock dolomites, Silurian, Michigan: Lane et al., 733. Fleming Inlet series, Triassic, Greenland: Norden- skjold, 900. Florena shales, Carboniferous, Kansas: Haworth and Bennett, 518. Florence flint, Carboniferous, Kansas: Haworth and Bennett, 518. Floridian group, Pliocene, Florida: Matson and Clapp, 829. Floyd shales, Carboniferous, Georgia: Veatch, 1184. Fordham gneiss, New York: Berkey, 101, 103; Koeberlin,~679. Forelle limestone, Carboniferous, Wyoming: Dar- ton and Siebenthal, 313. Fork Mountain slate, Arkansas: Purdue, 972. Fort Ancient division, Ordovician, Ohio: Foerste, 413. Fort Benton formation, Cretaceous, Montana: Douglass, 348. Fort Payne chert, Carboniferous, Georgia: Veatch, 1184. Fort Riley limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Fort Scott limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Fort Union beds, Cretaceous, Montana: Douglass, 348. Fort Union formation, Eocene, Montana: Stanton, 1094. Fort Union formation, Eocene, North Dakota: Leonard, 758. Fort Union formation, Eocene, North Dakota and Montana: Leonard and Smith, 761. Fort Union formation, Eocene, Wyoming, North and South Dakota, and Montana: Knowlton, 678. Fort Union formation, Tertiary, Wyoming: Shaw, 1054; Washburne, 1204; Woodruff, 1283, 1284. Fort Union formation, Tertiary, Montana: Pepper- berg, 949; Smith, 1076; Stone, 1164. Fountain formation, Pennsylvanian, Colorado: Henderson, 536. Fountain formation, Triassic?, Colorado: Martin, 819. Fox Hills formation, Cretaceous, Colorado: Hender- son, 536; Martin, 819. Fox Hills formation, Cretaceous, Montana: Doug- lass, 348. Fox Hills formation, Cretaceous, North Dakota: Leonard, 758. Fox Hills sandstone, Cretaceous, South Dakota: Darton, 307; Darton and O’Harra, 312. Fox Hills (?) sandstone, Cretaceous?, Montana: Smith, 1076. Fox Hills sandstone, Cretaceous, Wyoming and South Dakota: Darton, 306. . Fox Hills substage, Cretaceous, Mexico: Aguilera, 10 . Franciscan formation, Jurassic?, California: Arnold, 30, 31; Branner et al., 138. Franklin limestone, pre-Cambrian, New Jersey: Kiimmel, 682. Franklin limestone formation, pre-Cambrian, New Jersey: Bayley, 86. Franklin limestone, pre-Cambrian, Pennsylvania: Bascom et al., 75. Fulton green shale, Carboniferous, West Virginia: Hennen, 537. Fuson formation, Cretaceous, South Dakota: Dar- ton, 307; Darton and O’Harra, 312. Fuson formation, Cretaceous, Wyoming and South Dakota: Darton, 306. Fusselman limestone, Silurian, Texas: Richardson, 998. Galesburg shales, Carboniferous, Kansas: Haworth and Bennett, 518. Garrard sandstone, Ordovician, Kentucky: Foerste, 413. Garrison formation, Carboniferous, Kansas: Ha- worth and Bennett, 518. Gasconade formation, Cambrian, Missouri: Buck- ley, 158. Gaspe sandstone, Devonian, Canada: Williams, 1254. Genesee shale, Devonian, New York: Luther, 786; Williams, 1254. Geneva limestone, Devonian, Indiana: Kindle and Barnett, 670. Genundewa limestone, Devonian, New York: Luther, 786. Gila conglomerate, Quaternary, Arizona: Trues- dell, 1155. Gilboy sandstone, Carboniferous, West Virginia: Hennen, 537. Gilmore sandstone, Carboniferous, West Virginia: Hennen, 537. Girardeau limestone, Silurian, Illinois and Missouri: Savage, 1027. Glendale granite, Tertiary, Colorado: Crawford, 290. Glen Park formation, Devonian, Missouri: Buck- ley, 158. Glen Rose formation, Cretaceous, Texas: Hess, 551. Globe limestone, Devonian-Carboniferous, Arizona: Truesdell, 1155. Goodland limestone, Cretaceous, Oklahoma: Taff and Reed, 1132. Gower limestone, Silurian, Illinois and Iowa: Car- man, 198. Grand Rapids group, Carboniferous, Michigan: Cooper, 285. Grand Tower, Devonian, Missouri: Buckley, 158. Grainger formation, Devonian, Virginia: Bassler, 78. Graneros shale, Cretaceous, South Dakota: Darton, 307. Graneros shale, Cretaceous, Wyoming and South Dakota: Darton, 306. Greenbrier limestone, Mississippian, Virginia: Bass- ler, 78. Greendale bed, Ordovician, Kentucky: Foerste, 413. Greenfield dolomite, Silurian, Ohio: Lane et al., 733; Sherzer and Grabau, 1058. Greenhorn limestone, Cretaceous, South Dakota: Darton, 307; Darton and O’Harra, 312. 166 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Greenhorn limestone, Cretaceous, Wyoming and South Dakota: Darton, 306. Green Pond conglomerate, Silurian, New Jersey: Kummel, 682. Green River formation, Tertiary, Colorado: Gale, 433; Lee, 743. Green River formation, Tertiary, Wyoming, Schultz, 1039. Grenville gneiss, pre-Cambrian, New York: Miller: 867. Grimes sandstone, Devonian, New York: Luther, 786. Guanajuato conglomerate, Mexico: Botsford, 129. Gunnison formation, Jurassic?, Colorado: Lee, 743. Gunnison formation, Juratrias, Colorado: Spurr, 1091. Hampton shale, Cambrian, Virginia: Bassler, 78. Hancock limestone, Devonian, Virginia: Bassler, 78. Hannibal formation, Mississippian, Missouri: Buck- ley, 158. Harpers schist, Cambrian, Pennsylvania: Stose, 1119. Harpers shale, Cambrian, Virginia: Bassler, 78. Hardyston quartzite, Cambrian, New Jersey: Kum- mel, 682. Hatch shale and flags, Devonian, New York: Luther, 786. Hawthorne formation, Oligocene, Florida: Matson and Clapp, 829. Helderberg limestone, Silurian, Pennsylvania: Stose, 1119. Hell Creek beds, Cretaceous, Montana: Stanton, 1094. Hell Creek beds, Eocene, Montana: Knowlton, 678. Herculean shale member, Tertiary, California: Weaver, 1212. Herington limestone, Carboniferous, Kansas: Beede, 90. Highbridge limestone, Ordovician, Kentucky: Mat- son, 827. High Falls formation, Silurian, New Jersey: Kiim- mel, 682. High Point sandstone, Devonian, New York: Luther, 786. Hoko formation, Pliocene, Washington: Reagan, 989. Holston marble, Ordovician, Virginia: Bassler, 78. Honaker limestone, Cambrian, Virginia: Bassler, 78. Hopkinton limestone, Silurian, Illinois and Iowa: Carman, 198. Hornerstown marl, Cretaceous, New Jersey: Bas- com et- al., 74, 75; Kummel, 682. Howard limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Hudson River (Thebes), Ordovician, Missouri: Buckley, 158. Hueco limestone, Pennsylvanian, Texas: Richard- son, 998. Hundred sandstone, Carboniferous, West Virginia: Hennen, 537. Huronian, pre-Cambrian, Ontario: Collins, 276. Hurry Inlet series, Triassic, Greenland: Nor- denskjold, 900. Hygiene sandstone, Cretaceous, Colorado: Hender- son, 536. Hygiene sandstone member, Cretaceous, Colorado: Martin, 819. Idaho Springs formation, Colorado: Patton, 943. Illinoian drift, Pleistocene, Iowa: Calvin, 187. Iliinoian epoch, Quaternary, Illinois and Missouri: Fenneman, 392. Illinoian glacial epoch, Quaternary, Illinois and. Iowa: Carman, 198! Illinoian till, Pleistocene, Ontario: Coleman, 269. Indian Fields member, Silurian, Kentucky: Foerste, 409. Inwood limestone, New York: Berkey, 101, 103; Koeberlin, 679. Iola limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Iowan drift, Pleistocene, Iowa: Calvin, 187. Iowan glacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Iowan till, Pleistocene, Ontario: Coleman, 269. Iroquois clay, Pleistocene, Ontario: Coleman, 269. Irvine formation, Tertiary, Kentucky: Matson, 827. Ithaca shale member, Devonian, New York: Wil- liams, 1254. Jacalitos formation, Miocene, California: Arnold, 30. Jackfork sandstone, Carboniferous, Oklahoma: Taff, 1130. Jackson stage, Eocene, Louisiana and Texas: Har- ris, 512. Jacksonburg limestone, Ordovician, New Jersey: Kummel, 682. Jacksonville formation, Miocene, Florida: Matson and Clapp, 829. Jefferson City formation, Cambrian, Missouri: Buckley, 158. Jeffersonville limestone, Devonian, Kentucky: Bassler, 80. Joachim formation, Ordovician, Missouri: Buckley, 158. Joliet conglomerate, Pleistocene, Illinois: Gold- thwait, 461. Jollytown sandstone, Carboniferous, West Virginia: Hennen, 537. Judith River beds, Cretaceous, Montana: Douglass, 348. Judith River formation, Cretaceous, Montana: Pepperberg, 948, 949; Stone, 1114. Judith River formation, Cretaceous, Wyoming: Washburne 1204. Juniata formation, Ordovician, Pennsylvania: Stose, 1119. Juniata red beds, Ordovician, Pennsylvania: Gra- bau, 476. Kanouse sandstone, Devonian, New Jersey: Kiim- mel, 682. Kansan drift, Pleistocene, Iowa: Calvin, 187. Kansan epoch, Quaternary, Illinois and Missouri: Fenneman, 392. Kansan glacial epoch, Quaternary, Illinois and. Iowa: Carman, 198. Kansan or pre- Kansan drift, Pleistocene, New Jer- sey: Kummel, 682. Kanwaka shales, Carboniferous, Kansas: Haworth and Bennett, 518. Keewatin, pre-Cambrian, Ontario: Collins, 276. Kendall tuff, Tertiary, Nevada: Ransome, 976. LISTS. 167 Kennicott formation, Jurassic or Cretaceous, Alaska: Moffit and Maddren, 875. Keokuk formation, Mississippian, Missouri: Buck- ley, 158. Key Largo limestone, Pleistocene, Plorida: San- ford, 1025. Key West oolite, Pleistocene, Florida: Sanford, 1025. Kibbey sandstone, Carboniferous, Montana: Fisher, 396. Kickapoo limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Kiger stage, Carboniferous, Kansas: Haworth and Bennett, 518. Kimmswick formation, Ordovician, Missouri: Buck- ley, 158. Kimmswick limestone, Ordovician, Illinois: Sav- age, 1027. Kimmswick limestone, Ordovician, Missouri: Wel- ler, 1218. Kinderhook formation, Mississippian, Illinois and Missouri: Fenneman, 392. Kingsbury conglomerate, Eocene, Wyoming: Knowlton, 678. Kingsbury conglomerate, Tertiary, Wyoming: Stanton, 1094. Kingston or JPprt Ewen beds, Devonian, New Jer- sey: KunSmel, 682. Kirkwood formation, Tertiary, New Jersey: Bas- com et al., 74, 75; Kiimmel, 682. Kittatinay limestone, Cambrian, New Jersey: Kiimmel, 682. Knob (Riverside) sandstone, Mississippian, Ken- tucky: Bassler, 80. Knobstone group, Mississippian, Kentucky: Bass- ler, 80. Knox dolomite, Cambro-Ordovician, Virginia: Bassler, 78. Knox dolomite, Ordovician, Georgia: Veatch, 1184. Knoxville formation, Cretaceous, California: Ar- nold, 31; Branner et al., 138. Knoxville-Chico rocks, Cretaceous, California: Ar- nold, 30; Johnson, 631. Kootanie, Cretaceous, Canada: Dowling, 350. Kootanie formation, Cretaceous, Alberta: Dowling, 352. Kootenai formation, Cretaceous, Montana: Calvert, 185; Fisher, 396, 397; Stone, 1114. Labette shales, Carboniferous, Kansas: Haworth and Bennett, 518. Ladore shales, Carboniferous, Kansas: Haworth and Bennett, 518. Lafayette formation, Illinois and Missouri: Fenne- man, 392. Lafayette formation, Pliocene, Florida: Matson and Clapp, 829. Lafayette formation, Tertiary, Georgia: Veatch, 1184. Lafayette formation, Tertiary, New Jersey: Bas- com et at., 74. Lafayette gravels, Tertiary, Missouri: Buckley, 158. Lake Valley beds, Mississippian: Weller, 1218. Lakota sandstone, Cretaceous, South Dakota: Darton, 307; Darton and O'Harra, 312. Lakota sandstone, Cretaceous, Wyoming and South Dakota: Darton, 306. La Luz schists, Mexico: Botsford, 129. Lamotte formation, Cambrian, Missouri: Buckley, 158. Lance Creek beds, Cretaceous, Wyoming: Stanton, 1094. Lance Creek beds, Eocene, Wyoming: Knowlton, 678. Lane shales, Carboniferous, Kansas: Haworth and Bennett, 518. Lanoria quartzite, pre-Cambrian, Texas: Richard- son, 998. Laramie formation, Colorado: George and Craw- ford, 446. Laramie formation, Cretaceous, Colorado: Gale, 433; Henderson, 536; Martin, 819. Laramie formation, Cretaceous, Great Plains and Rocky Mountain region: Cross, 294. Laramie, Cretaceous, Montana: Douglass, 348; Stone, 1114. Laramie, Cretaceous, Mexico: Aguilera, 10. Laramie formation, Cretaceous, New Mexico: Gard- ner, 436. Laramie formation, Cretaceous, Wyoming: Ball, 57; Schultz, 1039; Smith, 1077; Washburne, 1204; Woodruff, 1284. Laramie, Colorado, Wyoming, and Montana: Peale, 944. Laramie? formation, Cretaceous, Wyoming and South Dakota: Darton, 306. Las Vigas formation, Mexico: Burrows, 171. Laurentian, pre-Cambrian, Ontario: Collins, 276. Lawrence shales, Carboniferous, Kansas: Haworth and Bennett, 518; Yates, 1295. Leclaire limestone, Silurian, Illinois and Iowa: Car- man, 198. Lecompton shales, Carboniferous, Kansas: Ha- worth and Bennett, 518. Leda clay, Pleistocene, Ontario: Coleman, 269. LeithsvHle formation, Cambrian, Pennsylvania: Wherry, 1229. Le Roy shales, Carboniferous, Kansas: Haworth and Bennett, 518. Levyville formation, Oligocene, Florida: Matson and Clapp, 829. Lewis shale, Cretaceous, Colorado: Gale, 433. Lewis shale, Cretaceous, New Mexico: Gardner, 436. Lewis shale, Cretaceous, Wyoming: Ball, 57; Schultz, 1039; Stanton, 1094. Lewistown limestone, Silurian-Devonian, Virginia: Bassler, 78. Lexington limestone, Ordovician, Kentucky: Mat- son, 827. Liberty Hall formation, Ordovician, Virginia:' Bass- ler, 78. Light-house granite, Connecticut: Ward, 1201. Linietta clays, Mississippian, Kentucky: Morse and Foerste, 887. Livingston formation, Tertiary, Montana: Stone 1114. Lockatong beds, Triassic, New Jersey: Kiimmel, 682. Lockatong formation, Triassic, Pennsylvania: Bas- com et al., 74, 75. Logan formation, Carboniferous, Ohio: Carney, 200. Logan formation, Mississippian, Ohio and Ken- tucky: Morse and Foerste, 887. Lone Tree white layer, Eocene, Wyoming: Mat- thew, 834. 168 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Longwood shale, Silurian, New Jersey: Kiimmel, 682. Lookout sandstone, Carboniferous, Georgia: Veatch, 1184. Lorraine beds, Ordovician, New York: Miller, 867. Losee gneiss, New Jersey: Bayley, 86. Losee gneiss, pre-Cambrian, New Jersey: Kiimmel, 682. Lostmans River limestone, Pleistocene, Florida: Matson and Clapp, 829; Sanford, 1025. Loudon formation, Cambrian, Virginia: Bassler, 78. Louisiana formation, Mississippian, Missouri: Buckley, 158. Louisville formation, Silurian, Kentucky: Bassler, 80. Louisville limestone, Silurian, Indiana: Kindle and Barnett, 670. Lowville, Ordovician, New York: Grabau, 472. Lowville limestone, Ordovician, New York: Miller, 867. Lucas dolomite, Silurian, Michigan and Ohio: Sher- zer and Grabau, 1058. Lucas dolomite, Silurian, Ohio: Lane et al., 733. Ludlowville shale, Devonian, New York: Luther, 786. Luta limestone, Carboniferous, Kansas: Beede, 90. Lykins formation, Permo-Triassic?, Colorado: Hen- derson, 536. Lykins formation, Triassic, Colorado: Martin, 819. Lyons formation, Pennsylvanian, Colorado: Hen- derson, 536. Lyons sandstone, Triassic, Colorado: Martin, 819. McAdam- formation, Silurian, Nova Scotia: Twen- hofel, 1158. Madera limestone, Pennsylvanian, New Mexico: Lee, 745. Madison limestone, Carboniferous, Montana: Fisher, 396, 397. Madison limestone, Mississippian, Montana: Cal- vert, 185. Magdalenagroup, Pennsylvanian, New Mexico: Lee, 745. Magothy formation, Cretaceous, Atlantic coastal plain: Bibbins, 113. Magothy formation, Cretaceous, New Jersey: Bas- com et al., 74, 75; Kiimmel, 682. Mahoning sandstone, Carboniferous, Pennsylvania: Raymond, 983. Malpais basalt, Tertiary, Nevada: Ransome, 976. Manasquan formation, Cretaceous, New Jersey: Bascom et al., 75. Manasquan marl, Cretaceous, New Jersey: Kiim- mel, 682. Manatee River marl, Oligocene, Florida: Matson and Clapp, 829. Mancos shale, Cretaceous, Colorado: Gale, 433: George and Crawford, 446; Lee, 743. Mancos shale, Cretaceous, Colorado and Utah: Rich- ardson, 1000. Mancos shale, Cretaceous, New Mexico: Gardner, 436. Manhattan schist, New York: Berkey, 101, 103; Koeberlin, 679. Manitoban series, Devonian. Manitoba: Dowling, 350. Manlius limestone, Silurian, New Jersey: Kiimmel, 682. Manlius limestone, Silurian, New York: Luther, 786. Mannington sandstone, Carboniferous, West Vir- ginia: Hennen, 537. Manzano group, Pennsylvanian, New Mexico: Lee, 745. Maquoketa shale, Ordovician, Illinois and Iowa: Carman, 198. Marcellus shale, Devonian, New Jersey: Kiimmel, 682. Marcellus shale, Devonian, New York: Luther, 786. Marietta sandstones, Carboniferous, West Virginia: Hennen, 537. Marianna limestone, Oligocene, Florida: Matson and Clapp, 829. Marion limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Marion stage, Carboniferous, Kansas: Beede, 90. Maroon formation, upper Carboniferous, Colorado: Spurr, 1091. Marmaton stage, Carboniferous, Kansas: Haworth and Bennett, 518. Marshall sandstone, Carboniferous, Michigan: Cooper, 285. Marshalltown clay-marl, Cretaceous, New Jersey: Kiimmel, 682. Marshalltown formation, Cretaceous, New Jersey: Bascom et al., 74,75. Martinsburg shale, Ordovician, New Jersey: Kiim- mel, 682. Martinsburg shale, Ordovician, Pennsylvania: Stose, 1119. Martinsburg shale, Ordovician, Virginia: Bassler, 78. Maryville limestone, Cambrian, Virginia: Bassler, 78. Massanutten sandstone, Ordovician, Virginia: Bass- ler, 78. Matawan group, Cretaceous, New Jersey: Bascom etal., 74,75. Matfield shales, Carboniferous, Kansas: Haworth and Bennett, 518. Maysville formation, Ordovician, Kentucky: Mat- son, 827. Meda rhyolite, Tertiary, Nevada: Ransome, 976. Medora group of lignite beds, Eocene, North Da- kota: Leonard and Smith, 761. Merced formation, Pliocene, California: Branner etal., 138. Merchantville clay, Cretaceous, New Jersey: Bas- com et al., 74, 75; Kiimmel, 682. Mesaverde formation, Cretaceous, Colorado; Gale, 433; Lee, 743. Mesaverde formation, Cretaceous, Colorado and Utah: Richardson, 1000. Mesaverde formation, Cretaceous, New Mexico: Gardner, 436. Mesaverde formation, Cretaceous, Wyoming: Ball, 57; Schultz, 1039; Smith, 1077; Stanton, 1094. Miami oolite, Pleistocene, Florida: Matson and Clapp, 829; Sanford, 1025. Michigan series, Carboniferous, Michigan: Cooper, 285. Midway formation, Eocene, Louisiana: Harris, 512. Midway formation, Tertiary, Georgia: Veatch, 1184. Million bed, Ordovician, Kentucky: Foerste, 413. Milltown andesite. Tertiary, Nevada: Ransome, 976. LISTS. Minnekahta limestone, Carboniferous, South Da- kota: Darton, 307; Darton and O’Harra, 312. Minnekahta limestone, Carboniferous, Wyoming and South Dakota: Darton, 306. Minnelusa sandstone, Carboniferous, South Da- kota: Darton, 307; Darton and O’Harra, 312. Minnelusa sandstone, Carboniferous, Wyoming and South Dakota: Darton, 306. Minnewaste limestone, Cretaceous, South Dakota: Darton, 307. Mira basalt, Tertiary, Nevada: Ransome, 976. Missouri Mountain formation, Ordovician, Arkan- sas: Purdue, 973. Missouri Mountain slate, Arkansas: Purdue, 972. Moccasin limestone, Ordovician, Virginia: Bassler, 78. Monmouth group, Cretaceous, New Jersey: Bascom et al., 74,75. Monongahela series, Carboniferous, West Virginia: Hennen, 537. Monroan, Silurian, Michigan, Ohio, and Canada: Grabau, 472. Monroe formation, Silurian, Michigan and adjacent: Sherzer and Grabau, 1058. Monroe formation, Silurian, Michigan, Ohio, and New York: Lane et al., 733. Montalto quartzite member, Cambrian, Pennsyl- vania: Stose, 1119. Montana formation, Cretaceous, Wyoming: Shaw, 1054. Montana group, Cretaceous, Colorado: Henderson, 536. Montana group, Cretaceous, Montana: Calvert, 185; Fisher, 397; Pepperberg, 949; Stone, 1114. Montana group, Cretaceous, South Dakota: Todd, 1146. Montana group, Cretaceous, Wyoming: Darton and Siebenthal, 313; Woodruff, 1284. Montana stage, Cretaceous, Mexico: Aguilera, 10. Monterey shale, Miocene, California: Branner et al., 138. Monterey shales, Miocene, California: Johnson, 631. Montezuma granite, Colorado: Patton, 943. Montoya limestone, Ordovician, Texas: Richard- son, 998. Mora sandstones. New Mexico: Keyes, 654. Morena rhyolite, Tertiary, Nevada: Ransome, 976. Morrison formation, Cretaceous, Colorado: Hen- ning, 538. Morrison formation, Cretaceous, Wyoming: Dar- ton and Siebenthal, 313. Morrison formation, Cretaceous, Wyoming and South Dakota: Darton, 306. Morrison formation, Jurassic, Colorado: Henderson, 536. Morrison formation, Jurassic, Montana: Calvert, 185; Fisher, 397. Morrison formation, Jurassic or Cretaceous, Colo- rado: Martin, 819. Morrison shale, Cretaceous, South Dakota: Darton, 307; Darton and O’Harra, 312. Morrison shale, Jurassic ?, Montana: Fisher, 396. Moscow shale, Devonian, New York: Luther, 786. Mound Valley limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Mount Laurel sand, Cretaceous, New Jersey: Bas- com et al., 74,75; Kiimmel, 682. 169 Mount Morris limestone, Carboniferous, West Vir- ginia: Hennen, 537. Mount Sicker series, Mesozoic, British Columbia: Clapp, 228. Mowry member, Cretaceous, Wyoming and South Dakota: Darton, 306. Moydart formation, Silurian, Nova Scotia: Twen- hofel, 1158. Murat limestone, Ordovician, Virginia: Bassler, 78. Nashua marl, Pliocene, Florida: Matson and Clapp, 829. Nastapoka group, Canada: Young, 1297. Nation River formation, Carboniferous, Alaska: Prindle, 969. Natural Bridge limestone, Cambro-Ordovician, Virginia: Bassler, 78. Navarro formation, Cretaceous, Texas: Gordon, 465. Navesink marl, Cretaceous, New Jersey: Bascom etal., 74,75; Kiimmel, 682. Nazareth cement rock, Ordovician, Pennsylvania: Wherry, 1229. Nebraskan drift sheet, Pleistocene, Iowa: Shimek, 1060. Neosho member, Carboniferous, Kansas: Haworth and Bennett, 518. Neva limestone, Carboniferous, Kansas: Haworth and Bennett, 518. New Albany shale, Devonian, Kentucky: Bassler, 80. Newark group, Triassic, Pennsylvania: Bascom et al., 74,75. Newland formation, Algonkian, Idaho and Mon- tana: Calkins, 181. Newman limestone, Mississippian, Virginia: Bass- ler, 78. New Providence shale, Mississippian, Indiana and Kentucky: Weller, 1218. New Providence shale, Mississippian, Kentucky: Bassler, 80. New Scotland beds, Devonian, New Jersey: Kiim- mel, 682. Niagara limestqne, Silurian, Illinois and Iowa: Carman, 198. Niagara (Bainbridge), Silurian, Missouri: Buckley, 158. Niagaran, Silurian: Grabau, 472. Niagaran limestone, Silurian, Kentucky: Bassler, 80. Nicholas bed, Ordovician, Kentucky: Foerste, 413. Nicholas beds, Ordovician, Kentucky and Ohio: Foerste, 412. Nikolai greenstone, Alaska: Moffit and Maddren, 875. Nineveh sandstone, Carboniferous, West Virginia: Hennen, 537. Niobrara, Cretaceous, Canada: Dowling, 350. Niobrara, Cretaceous, North Dakota: Barry and Melsted, 70. Niobrara formation, Cretaceous, Colorado: Hen- derson, 536. Niobrara limestone, Cretaceous, Colorado: Martin, 819. Niobrara formation, Cretaceous, South Dakota: Darton, 307; Darton and O’Harra, 312; Todd, 1146. Niobrara formation, Cretaceous, Wyoming: Darton and Siebenthal, 313. 170 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909, Niobrara formation, Cretaceous, Wyoming and South Dakota: Darton, 306. Nipissing clay, Pleistocene, Ontario: Coleman, 269. Nisky formation, Ordovician, Pennsylvania: Wherry, 1229. Nolichucky shale, Cambrian, Virginia: Bassler, 78. Oak Grove sand member, Oligocehe, Florida: Mat- son and Clapp, 829. Ocala limestone, Oligocene, Florida: Matson and Clapp, 829. Ocheesee beds, Oligocene, Florida: Matson and Clapp, 829. Octoraro schist, Ordovician, Pennsylvania: Bascom etal., 74,75. Ogalalla formation, Pliocene, Nebraska: Matthew and Cook, 840. Ohio shale, Devonian, Kentucky: Matson, 827. Ohio shale, Devonian and Mississippian, Kentucky: Morse and Foerste, 887. Ohio Creek formation, Tertiary, Colorado: Lee, 743. Ojinaga formation, Mexico: Burrows, 171. Oldham limestone, Silurian, Kentucky: Foerste, 409. Olentangy shale, Devonian, Ohio: Stauffer, 1096. Onondaga limestone, Devonian, New Jersey: Kiim- mel, 682. Onondaga limestone, Devonian, New York: Luther 786. Opeche formation, Carboniferous, South Dakota: Darton, 307; Darton and O’Harra, 312. Opeche formation, Carboniferous, Wyoming and South Dakota: Darton, 306. Orchard Creek shale, Ordovician, Illinois: Savage, 1027. Oread limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Oriskany formation, Devonian, New Jersey: Kiim- mel, 682. Oriskany formation, Devonian, Pennsylvania: Stose, 1119. Oriskany sandstone, Devonian, New York: Luther, 786. Osage formation, Mississippian, Missouri: Buckley, 158. Osage limestone, Mississippian, Illinois and Mis- souri: Fenneman, 392. Otter shale, Carboniferous, Montana: Fisher, 396. Ouachita shale, Ordovician: Purdue, 972. Ouray limestone, Devonian, Colorado: Kindle, 666. Pahasapa limestone, Carboniferous, South Da- kota: Darton, 307. Pahasapa limestone, Carboniferous, Wyoming and South Dakota: Darton, 306. Paint Lick bed, Ordovician, Kentucky: Foerste, 413. Palm Beach limestone, Pleistocene, Florida: San- ford, 1025. Pamelia (Stones River) formation, Ordovician, New York and Canada: Clarke, 240. Panola formation, Silurian and Devonian, Ken- tucky: Matson, 827. Paonia shale, Cretaceous, Colorado: Lee, 743. Paris bed, Ordovician, Kentucky: Foerste, 413. Parkman sandstone, Cretaceous, Wyoming: Stan- ton, 1094. Parting quartzite series, Devonian, Colorado: Spurr, 1091. Paskapoo, Tertiary, Canada: Dowling, 350. Paskapoo formation, Tertiary, Alberta: Dowling, 352. Patapsco formation, Cretaceous, New Jersey: Bas- com et al., 74. Patriot limestone, Carboniferous, Ohio: Condit, 280. Pawnee limestone, Carboniferous, Kansas: Haworth and Bennett, 518. Peace Creek bone bed, Pliocene, Florida: Matson and Clapp, 829. Pearisburg limestone, Ordovician, Virginia: Bass- ler, 78. Pearl shales, Carboniferous, Kansas: Beede, 90. Peninsular limestone, Oligocene, Florida: Matson and Clapp, 829. Pennington shale, Mississippian, Virginia: Bassler, 78. Pensauken formation, Pleistocene, New Jersey: Kiimmel, 682. Pensauken formation, Quaternary, Delaware, Penn- sylvania, and New Jersey: Bascom et al., 74, 75. Peorian interglacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Peorian interglacial interval, Pleistocene, Iowa: Cal- vin, 187. Pequanac shale, Devonian, New Jersey: Kiimmel, 682. Pierre formation, Cretaceous, Colorado: Henderson, 536. Pierre formation, Cretaceous, Montana: Douglass, 348. Pierre shale, Cretaceous, Montana: Smith, 1076. Pierre shale, Cretaceous, North Dakota: Barry and Mels ted, 70; Leonard, 758. Pierre shale, Cretaceous, South Dakota: Darton, 307; Darton and O’Harra, 312; Todd, 1146. Pierre shale, Cretaceous, Wyoming and South Da- kota: Darton, 306. Pinal schist, pre-Cambrian, Arizona: Truesdell, 1155. Pine Creek limestone, Carboniferous, Pennsylvania: Raymond, 983. Piney formation, Cretaceous, Wyoming: Knowl- ton, 678; Stanton, 1094. Pinguico rhyolites, Mexico: Botsford, 129. Pittsburg limestone, Carboniferous, Ohio: Condit, 280. Pittsburg sandstone, Carboniferous, West Virginia: Hennen, 537. Plattin formation, Ordovician, Missouri: Buckley, 158. Pleasanton formation, Carboniferous, Iowa: Lees, 751. Pleasanton shales, Carboniferous, Kansas: Haworth and Bennett, 518. Plomosas formation, Mexico: Burrows, 171. Plum Creek clay, Silurian, Kentucky: Foerste, 409. Pochuck gneiss, pre-Cambrian, New Jersey: Kiim- mel, 682. Pochuck gneisses, New Jersey: Bayley, 86. Point Pleasant beds, Ordovician, Ohio: Foerste, 412, 413. Polk Creek shale, Ordovician, Arkansas: Purdue, 972, 973. Portage formation, Devonian, New York: Williams, 1254. LISTS, 171 Portage shales, Devonian, Pennsylvania: Stose, I 1119. Port Ewen (Kingston) beds, Devonian, New Jersey .' Kummel, 682. Potomac group, Cretaceous, New Jersey: Bascom et al., 74, 75. Potosi formation, Cambrian, Missouri: Buckley, 158. Pottawatomie stage, Carboniferous, Kansas: Ha- worth and Bennett, 518. Pottsville formation, Carboniferous, Ohio: Carney , 200 . Poughquag quartzite, New York: Clarke, 240. Poxino Island shale, Silurian, New Jersey: Kum- mel, 682. Pozo formation, Tertiary, Nevada: Ransome, 976. Pre-Kansan drift, Pleistocene, Iowa: Calvin, 187. Prichard formation, Algonkian, Idaho and Mon- tana: Calkins, 181. Proctor formation, Cambrian, Missouri: Buckley, 158. Proctor sandstones, Carboniferous, West Virginia: Hennen, 537. Prout limestone, Devonian, Ohio; Stauffer, 1096. Providence sand, Cretaceous, Georgia: Veatch, 1184. Pulaski beds, Tertiary, Oregon: Dali, 300. Purisima formation, Miocene, California: Branner et al., 138. Putin Bay dolomites, Silurian, Ohio: Lane et al., 733; Sherzer and Grabau, 1058. Quadrant formation, Carboniferous, Montana: Fisher, 396, 397. Quadrant formation, Pennsylvanian?, Montana: Cal- vert, 185. Quercan sandstone, Tertiary, California: Weaver, 1212. Quillay.ute formation, Pliocene, Washington: Rea- gan, 989. Quinaielt formation, Pliocene, Washington: Rea- gan, 989. Rabbit Spring formation, Tertiary, Nevada: Ran- some, 976. Raft River formation, Pliocene, Washington: Rea- gan, 989. Raisin River dolomites, Silurian, Ohio and Michi- gan: Lane et al., 733; Sherzer and Grabau, 1058. Rancocas group, Cretaceous, New Jersey: Bascom et al., 74, 75. Raritan formation, Cretaceous, New Jersey: Bas- com et al., 74, 75; Kummel, 682. Ravalli group, Algonkian, Idaho and Montana: Cal- kins, 181. Ravenswood granodiorite, New York: Berkey, 101. Red Bank sand, Cretaceous, New Jersey: Bascom et al., 75. Red Bank sand, Cretaceous, New Jersey: Kummel, 682. Redstone limestone, Carboniferous, West Virginia: Hennen, 537. Renfroes marl, Cretaceous, Georgia: Veatch, 1184. Revett formation, Algonkian, Idaho and Montana: Calkins, 181. Rhinestreet shale, Devonian, New York: Luther, 786. Richmond formation, Ordovician, Kentucky: Mat- son, 827. I Ripley formation, Cretaceous, Georgia: Veatch, 1184. Riverside. See Knob sandstone. Roan gneiss, Archean, North and South Carolina: Pratt and Sterrett, 968. Rockford (Goniatite) limestone, Mississippian, Ken- tucky: Bassler, 80. Rockmart slate, Silurian, Georgia: Veatch, 1184. Rockwood formation, Silurian, Georgia: Veatch, 1184. Rogersville shale, Cambrian, Virginia: Bassler, 78. Rollins sandstone, Cretaceous, Colorado: Lee, 743. Rome formation, Cambrian, Georgia: Veatch, 1184. Romney or Chattanooga shale, Devonian, Virginia: Bassler, 78. Romney shales, Devonian, Pennsylvania: Stose, 1119. Rondout limestone, Silurian, New Jersey: Kiim- mel, 682. Rondout waterlime, Silurian, New York: Luther, 786. Roubidoux formation, Cambrian, Missouri: Buck- ley, 158. Ruby formation, Tertiary, Colorado: Lee, 743. Rush Run sandstone, Carboniferous, West Virginia: Hennen, 537. Russdl formation, Cambrian, Virginia: Bassler, 78. Rutledge limestone, Cambrian, Virginia: Bassler, 78. Sabine stage, Eocene, Louisiana and Texas: Harris, 512. Ste. Genevieve formation, Mississippian, Missouri: Buckley, 158. St. Joe marble, Mississippian, Arkansas: Weller, 1218. St. Louis formation, Mississippian, Missouri: Buck- ley, 158. St. Louis limestone, Mississippian, Illinois and Mis- souri: Fenneman, 392. St. Regis formation, Algonkian, Idaho and Mon- tana: Calkins, 181. St. Peter sandstone, Ordovician, Kentucky: Mat- son, 827. St. Peters formation, Ordovician, Missouri: Buck- ley, 158. Sage Creek white layer, Eocene, Wyoming: Mat- thew, 834. Saginaw formation, Carboniferous, Michigan: Cooper, 285. Salinan, Silurian: Grabau, 472. Salt Fork stage, Carboniferous, Kansas: Haworth and Bennett, 518. Saluda bed, Ordovician, Indiana and Kentucky: Foerste, 413. San Andreas limestone, Pennsylvanian, New Mex- ico: Lee, 745. Sandia formation, Pennsylvanian, New Mexico: Lee, 745. Sandstorm rhyolite, Tertiary, Nevada: Ransome, 976. Sangamon interglacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Sangamon interglacial interval, Pleistocene, Iowa and Illinois: Calvin, 187. San Lorenzo formation, Oligocene, California: Bran- I ner et al., 138. 172 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909, San Pablo formation, Tertiary, California: Weaver, 1212. Santa Fe granite, Colorado: Patton, 943. Santa Margarita formation, California: Johnson, 631. Santa Margarita formation, Miocene, California: Branner et al., 138. Santa Margarita? formation, Miocene, California: Arnold, 30. Satanka shale, Carboniferous, Wyoming: Darton and Siebenthal, 313. Saxicava sand, Pleistocene, Ontario: Coleman, 269. Scarboro beds, Pleistocene, Ontario: Coleman, 269. Scranton shales, Carboniferous, Kansas: Haworth and Bennett, 518. Sellersburg formation, Devonian, Kentucky: Bass- ler, 80. Senecan, Devonian, New York: Luther, 786. Sentinel Butte group of lignite beds, Eocene, North Dakota: Leonard and Smith, 761. Severy shales, Carboniferous, Kansas: Haworth and Bennett, 518. Sevier shale, Ordovician, Virginia; Bassler, 78. Sewickley sandstone, Carboniferous, West Virginia: Hennen, 537. Sexton Creek limestone, Silurian, Illinois and Mis- souri: Savage, 1027. Shady (Sher wood-Toms town) limestone, Cambro- Ordovician, Virginia: Bassler, 78. Shark River marl, Eocene, New Jersey: Kiimmel, 682. Sharon member, Carboniferous, Ohio: Carney, 200. Shawangunk conglomerate, Silurian, New Jersey: Kiimmel, 682. Shawangunk conglomerate, Silurian, Pennsylva- nia: Grabau, 476. Shawnee stage, Carboniferous, Kansas: Haworth and Bennett, 518. Sheep Creek beds, Miocene, Nebraska: Matthew and Cook, 840. Shenandoah group, Cambro-Ordovician, Virginia: Bassler, 78. Shenandoah limestone, Cambro-Ordovician, Penn- sylvania: Bascom et al., 74, 75. Sherburne flagstone member, Devonian, New York: Williams, 1254. Shoal River marl member, Oligocene, Florida: Matson and Clapp, 829. Shoshone group, Cretaceous, Rocky Mountain re- gion: Cross, 294. Siebert formation, Tertiary, Nevada: Ransome, 976. Silver Creek hydraulic limestone, Devonian, Ken- tucky: Bassler, 80. Skaneateles shale, Devonian, New York: Luther, 786. Skunnemunk conglomerate, Devonian, New Jersey: Kiimmel, 682. Slatington shale, Ordovician, Arkansas: Purdue, 973. Snake Creek beds, Pliocene, Nebraska: Matthew and Cook, 840. Sopchoppy limestone, Oligocene, Florida: Matson and Clapp, 829. Spearfish formation, Triassic, South Dakota: Dar- ton and O’Harra, 312. Spearfish formation, Triassic?, South Dakota, Dar- ton, 307. Spearfish formation, Triassic?, W yoming and South Dakota: Darton, 306. Spearhead rhyolite, Tertiary, Nevada: Ransome, 976. Spergen, Mississippian, Missouri: Buckley, 158. Spergen limestone, Mississippian, Illinois and Mis- souri: Fenneman, 392. Spoon Butte beds, Tertiary, Nebraska: Peterson, 951. Standley shale, Carboniferous, Oklahoma: Taff, 1130. Stanley shale, Carboniferous, Arkansas: Purdue, 972. Stanton limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Stockton beds, Triassic, New Jersey: Kiimmel, 682. Stockton formation, Triassic, Pennsylvania: Bas- com et al., 74, 75. Stonehouse formation, Silurian, Nova Scotia: Twenhofel, 1158. Stones River formation, Ordovician, Virginia: Bassler, 78. Stones River limestone, Ordovician, Pennsylvania: Stose, 1119. Stormville sandstone, Devonian, New Jersey: Kiimmel, 682. Stringtown shale, Ordovician, Arkansas: Purdue, 972. Striped Peak formation, Algonkian, Idaho and Montana: Calkins, 181. Sub-Aftonian drift, Pleistocene, Iowa: Calvin, 187. Sulphur Springs formation, Devonian, Missouri: Buckley, 158. Sumner stage, Carboniferous, Kansas: Haworth and Bennett, 518. Sunbury formation, Carboniferous, Ohio: Carney, 200 . Sunbury shale, Mississippian, Ohio and Kentucky: Morse and Foerste, 887. Sundance formation, Jurassic, Colorado: Hender- son, 536. Sundance formation, Jurassic, South Dakota: Dar- ton, 307; Darton and O’Harra, 312. Sundance formation, Jurassic, Wyoming: Darton and Siebenthal, 313. Sundance formation, Jurassic, Wyoming and South Dakota: Darton, 306. Sylvania sandstone, Silurian, Michigan: Lane et al., 733. Sylvania sandstone, Silurian, Michigan and adja- cent: Sherzer and Grabau, 1058. Tampa formation, Oligocene, Florida: Matson and Clapp, 829. Taylor formation, Cretaceous, Texas: Gordon, 465. Taylor sandstone, Carboniferous, West Virginia: Hennen, 537. Tecumseh shales, Carboniferous, Kansas: Haworth and Bennett, 518. Tejon formation, Eocene, California: Arnold, 30; Johnson, 631. Thebes sandstone, Ordovician, Illinois: Savage, 1027. Tichenor limestone, Devonian, New York: Luther, 786. Tinton bed, Cretaceous, New Jersey: Kiimmel, 682. Tishomingo granite, Oklahoma: Tafl and Reed, 1132. LISTS. Tomstown limestone, Cambrian, Pennsylvania: Stose, 1119. Topeka limestones, Carboniferous, Kansas: Ha- worth and Bennett, 518. Toronto formation, Pleistocene, Ontario: Coleman, 269. Trenton formation, Ordovician, New York: Miller, 867. Trenton limestone, Ordovician, New York: Miller, 867. Trentonian, Ordovician: Grabau, 472. Tribune formation, Mississippian, Missouri: Buck- ley, 158. Trinity sand, Cretaceous, Oklahoma: Taff and Reed, 1132. Truckee formation, Tertiary, Nevada: Anderson, 25. Tulare formation, Pliocene-Pleistocene, California: Arnold, 30. Tully limestone, Devonian, New York: Luther, 786. Tunnel Point beds, Tertiary, Oregon: Dali, 300. Tuscaloosa formation, Cretaceous, Georgia: Veatch, 1184. Tuscarora sandstone, Silurian, Pennsylvania: Gra- bau, 476; Stose, 1119. Tymochtee shales and limestones, Silurian, Ohio: Lane et al 733. Tyrone beds, Ordovician, Pennsylvania: Grabau, 472. Ulsterian, Devonian, New York: Luther, 786. Uniontown sandstone, Carboniferous, West Vir- ginia: Hennen, 537. Unicoi sandstone, Cambrian, Virginia: Bassler, 78. Unkpapa sandstone, Jurassic, South Dakota: Dar- ton, 307; Darton and O’Harra, 312. Unkpapa sandstone, Jurassic, Wyoming and South Dakota: Darton, 306. Utica shale, Ordovician: Grabau, 472. Utica shale formation, Ordovician, New York: Mil- ler, 867. Vancouver series, Triassic, British Columbia: Clapp, 228. Vaqueros formation, Miocene, California: Arnold, 30; Branner et al., 138; Johnson, 631. Vicksburg group, Oligocene, Florida: Matson and Clapp, 829. Vicksburg stage, Oligocene, Louisiana and Texas: Harris, 512. Vicksburg- Jackson formation, Tertiary, Georgia: Veatch, 1184. Victoria series, Devonian, British Columbia: Clapp, 228. Vilas shales, Carboniferous, Kansas: Haworth and Bennett, 518. Vincentown sand, Cretaceous, New Jersey: Bas- com et al., 74, 75; Kiimmel, 682. Vindicator rhyolite, Tertiary, Nevada: Ransome, 976. Wabaunsee stage, Carboniferous, Kansas: Haworth and Bennett, 518. Waco limestone, Silurian, Kentucky: Foerste, 409. Wagon wheel formation, Oligocene?, California: Johnson, 631. Walden sandstone, Carboniferous, Georgia: Veatch, 1184. Waldo formation, Oligocene, Florida: Matson a,nd Clapp, 829. 173 Waldron shale, Silurian, Indiana: Kindle and Bar- nett, 670. Walnut shales, Carboniferous, Kansas: Haworth and Bennett, 518. Wappinger limestone, New York: Clarke, 240. Warren gravels, Pleistocene, Ontario: Coleman, 269. Warsaw formation, Mississippian, Illinois and Mis- souri: Fenneman, 392. Warsaw formation, Mississippian, Missouri: Buck- ley, 158. Wasatch formation, Tertiary, Colorado: Gale, 433. Wasatch formation, Tertiary, Wyoming: Schultz, 1039; Smith, 1077; Washburne, 1204. Washakie formation, Tertiary, Wyoming: Granger, 482; Sinclair, 1065. Washington limestones, Carboniferous, West Vir- ginia: Hennen, 537. Washington sandstone, Carboniferous, West Vir- ginia: Hennen, 537. Wautaga (Buena Vista) shale, Cambrian, Virginia: Bassler, 78. Wautaga (Waynesboro-Brfena Vista) formation, Cambro-Ordovician, Virginia: Bassler, 78. Waverly formation, Mississippian, Ohio and Ken- tucky: Morse and Foerste, 887. Waverly shale, Carboniferous, Kentucky: Matson, 827. Waynesboro formation, Cambrian, Pennsylvania: Stose, 1119. Waynesburg limestone, Carboniferous, West Vir- ginia: Hennen, 537. Waynesville bed, Ordovician, Ohio: Foerste, 413. Weber formation, Carboniferous, Colorado: Spurr, 1091. Weisner quartzite, Cambrian, Georgia: Veatch, 1184. Wellsburg sandstone member, Devonian, New York: Williams, 1254. Wenonah sand, Cretaceous, New Jersey: Bascom et al., 74, 75; Kiimmel, 682. West Hill (Gardeau) flags and shales, Devonian, New York: Luther, 786. West River shale, Devonian, New York: Luther, 786. West Union bed, Silurian, Ohio: Foerste, 409. Weverton sandstone, Cambrian, Pennsylvania: Stose, 1119. Weverton sandstone, Cambrian, Virginia: Bassler, 78. Whirlpool sandstone, Silurian, New York: Grabau, 472. White River formation, Oligocene, North Dakota: Leonard, 758. White River formation, Tertiary, Montana: Doug- lass, 348. White River formation, Tertiary, Wyoming: Shaw, 1054. White River group, Tertiary, South Dakota: Dar- ton, 307. Whitetail formation, Tertiary, Arizona: Truesdell, 1155. Whitewood limestone, Ordovician, South Dakota: Darton, 307, 310. Whitewood limestone, Ordovician, Wyoming and South Dakota: Darton, 306. Willard shales, Carboniferous, Kansas: Haworth I and Bennett, 518. 174 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1909. Winchester limestone, Ordovician, Kentucky: Matson, 827. Windy Gap limestone, Carboniferous, West Vir- ginia: Hennen, 537. Winfield formation, Carboniferous, Kansas: Haw- orth and Bennett, 518. Winnipegosan series, Devonian, Manitoba: Dow- ling, 350. Wisconsin glacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Wisconsin, Pleistocene, Ontario: Coleman, 269. Wisconsin drift, Pleistocene, Iowa: Calvin, 187. Wisconsin drift, Pleistocene, New Jersey: Kummel, 682. Wissahickon mica gneiss, pre-Cambrian, Pennsyl- vania: Bascom, 73; Bascom et al., 74, 75. Woodbine formation, Cretaceous, Texas: Gordon, 465. Woodbury clay, Cretaceous, New Jersey: Bascom et al., 74, 75; Kummel, 682. Woodford chert, Devonian, Oklahoma: Girty, 457. Wreford limestone, Carboniferous, Kansas: Ha- worth and Bennett, 518. Yakutat group, Mesozoic?, Alaska: Tarr and But- ler, 1138. Yarmouth interglacial epoch, Quaternary, Illinois and Iowa: Carman, 198. Yarmouth interglacial interval, Pleistocene, Iowa: Calvin, 187. Yeso formation, Pennsylvanian, New Mexico: Lee, 745. O