g ^ ^\ I B § ^^^dr^ V$ %^\ \B ^. '^&Aiiviianai^ •>&Aavaan#' >- ' OS < ^ 9 1 ir^^ '^ ^OFCAIIFOI?.^ ^^WE•UNIV!RS/^ ^i0S|ANcner^ %a9AINIl-3\^^ ■^JJUONVSOV^^ 6 ^^IUBRARY(?/:. ^1 ^OFCAIIFOI?^ u 5 \ i^ ^lOSANCElfj-^ c - ^llIBRARY<3c. 4^lllBRARY(9/r^ %0JnVDJO=^ AavaaiH^ ^OFCAUFOJ?^ ^Aavaan-iS^ .^WE•UNIVERJ/A ^• g 3 .:^EUN1VER% "^-maDNVsoi^ ^lOSMElfj-^ ■^/jaaAiNnauv ^lUBRARYQr ^s^' 2 1 .\WEUNI\TR5yA vvlOSANCEl^;. ^T -n /^ $^ ^ ^OFCAIIFO%, ^C ^„ —^ <=?-*=' ^ss ' *" ^ >? ,vw ^j^iaoNvsov^^ ^/^dMiNa^wv^ ^(?Aav}ian# >&Aiivaan# 5^tl(BhAKTt//r -o^t•llBRARYar. ■^ - - • ^ ^t?Aavaan# "^^Aavaan-i^ ^Jmwvsoi^ -< %jaAINfl3V\V^ ,^V\E•lINIVERS•/A ^lOSANCfUf^ ^^WEUNIVER% X avIOSANCEI% ^•TiWONVSOl^ ■%a]AiNn3\\v >&Aavaani^ ^(^Anvaan-^- ^tUBRARYCJr -?^tUBRARYC;/r .^WIUNIVER% ^AOJIWJJO'^ ^tfOJITVa-JO'? ^J5U3NVS01^ ^OFCAllFOff^ ^OFCAllFOff^ o ,^w^UNlVERy/A ^^A«vnani^ '^ Local Fiends, 714 ; Municipal Funds, 715 ; State Expenditure, 718. — Law and Justice: — Legislation, 721 ; Courts, 723 ; System of Judicature, 724 ; Civil Justice, 726 ; Registration, 726 ; Criminal Justice, 727 ; Prisons, 72S ; Police, 730. — Public Works, 7^2, ; Railway, 744. — Public Instruction, 745. — Medical, 753. Military Departments, 75S ; British Subsidiary Force, 758 ; Mysore Local Force, 759 ; Silahdars, 760 ; Barr, 762 ; Bangalore Rifle Volunteers, 762. Since tlie Rendition in 1881. Form of Administration, 763 ; Council, 763 ; Representative Assembly, 763. Administration of the I^and, 764 ; Topo- graphical Survey, 764 ; Revenue Survey and Settlement, 764 ; Liam settlement, 764. Protection, 765 ; Legislation, 765 ; Police, 766 ; Criminal Justice, 768 ; Prisons, 769 ; Civil Justice, 770; Registration, 771 ; Municipal Administra- tion, 771 ; Military, 772. Production a)ul Distribution, TJt,; Agriculture, 773 ; Weather and crops, 773 ; Forests, 773 ; Mines and Quarries, 774 '■< Manufacture and Trade, 774 ; Public Works, 775 ; Railways, 777 ; Post-office, 779. Revenue and Finance, 779 ; Provincial Funds, 779 ; Revenue, 780 ; Expenditure, 785 ; Local Funds, 786 ; Agricultural Banks, 787 ; Savings Banks, 787 ; State Life Insurance, 787. Vital Statistics and IMedical Services, 788 ; Births and Deaths, 7S8 ; Medical Relief, 789. Instruction, 791. Archeologj-, 796. Miscellaneous, 797 ; Muzrayi, 797. CONTENTS XIX Appendix ......••• Coins, Weights and Measures : — Coins, 799 ; Lead coins, 799 ; Cold coins, 801; Silver coins, 805; Copper coins, 807; Accounts, 80S. Weights, 809. Measures : — Grain Measures, 810 ; Land Measures, 810 ; Measures of Time : — Eras, 811 ; Years, 812. Addenda et Corrigenda ........ PAGE 799-813 8IS Index 819 LIST OF MAPS AND ILLUSTRATIONS. Map of Mysore Geological Sections .... a. In ahout Lalilude 15° N. b. ., ,, 13° N. P'roni Jalar]:iat to Shikarpur . Geological Map of Southern India Physical and Industrial Map of Mysore Sketch Map of Mysore in about 450 750 . 1050 . 1625 . Map of Peninsular India to illustrate the His Specimens of Mysore Coins . Plate i. Lead and Ciold coins „ ii. Gold, Silver, and Copper coins Pocket in cover P- 13 lory of My 36 62 168 300 314 335 357 368 799 802 807 MYSORE PHYSICAL GEOGRAPHY The State of Mysore^ occupies a position physically well defined, in the South of India ; and has been termed a rocky triangle, a not inapt description. It is a table-land, situated in the angle where the Eastern and Western Ghat ranges converge into the group of the Nilgiri Hills. West, south and east, therefore, it is enclosed by chains of mountains, on whose shoulders the plateau which constitutes the country rests. On the west the boundary approaches at one part to within lo miles of the sea, but in general preserves a distance of from 30 to 50 miles from the coast : on the east the nearest point is not less than 120 miles. The southern extremity is 250 miles from Cape Comorin. The northern frontier is an exceedingly irregular line, ranging from 100 miles south of the river Krishna on the west to 1 50 on the east. The country extends between the parallels of 11° 38' and 15° 2' north latitude, and between the meridians of 74° 42' and 78° 36' east longitude, embracing an area of 29,305 square miles, as determined by the Surveyor-General of India from the recent survey on the one-inch scale. (It is therefore nearly equal to Scotland, whose area is 29,785 square miles.) The greatest length north and south is about 230 miles, east and west about 290. * The name is that of the capital, properly Maisiir, for Mahish/ir, — from iiiahisha, fians. for buffalo, reduced in Kan. to iiiaisa, and lirit, Kan. for town or country, — which commemorates the destruction of Mahishasura, a minotaur or buffalo-headed monster, by Chamundi or Mahishasura-mardani, the form under which the consort of Siva is worshipped as the tutelary goddess of the Mysore royal family. Except in a passage in the Mahawanso, where it is called Mahisha-mandala, the designation of the country throughout Hindu literature is Karnata or Karnataka (for derivation see chapter on Language), which properly applied to the countrj' above the ( jhats. But the Muhammadans included in the name their conquests below the Ghats as well, and the English, going a step further, erroneously restricted it to the low- country. Hence Carnatic and Canara now designate, in European works of geography, regions which never bore those names ; w hile Mysore, the proper Karnataka or Carnatic, is not so called. B 2 PHYSICAL GEOGRAPJIY It is surrounded Ijy llic Madras Presidency on all sides, except on part of the west, where the Bombay Presidency northwards and Coorg southwards form thq boundaries. The Madras Districts bordering on it are Bellary and Anantapur on the north ; Kadapa, North Arcot and Salem on the east ; Coimbatore, Nilgiris and Malabar on the south ; South Canara on the west. The Bombay Districts of Dharwar on the north and North Canara on the west complete the circle. Coorg intervenes between the adjacent parts of South Canara and Malabar on the south-west. The general elevation rises from about 2,000 feet above the sea level along the northern and southern frontiers to about 3,000 feet along the central water-parting, which separates the basin of the Krishna from that of the Kaveri and divides the country into two nearly equal parts. But the surface is far from preserving the even character suggested by the designation of table-land. For the face of the country is every- where undulating, much broken up by lines of rocky hills or lofty mountains, and scored in all parts by Jidlas or deep ravines. There is probably not a square mile in the whole superficies absolutely flat or level, the slope of the ground ranging from 10 to 20 feet per mile in the more level portions, and as high as 60 and 80 feet elsewhere. The country is longitudinally intersected by single or aggregated chains of hills, running chiefly north and south, or in a direction nearly parallel to the two coasts. They lie at uncertain and unequal distances from each other, and accordingly form sometimes wide and sometimes narrow valleys. Isolated peaks of massy rock, termed by Europeans droogs} rearing their heads to 4,000 or 5,000 feet above the level of the sea, stand forth like sentinels on every hand ; mostly crowned with the remains of fortifications, whose position, with the advantage of an unfailing supply of water at the summit, rendered them wellnigh impregnable strongholds. Besides these, clusters or piles of naked rocks, composed of immense rounded boulders, are frequent ; large fragments being often delicately poised, like logging stones, upon some projecting point ; appearing as if a touch would overturn them, and yet sometimes supporting a shrine or mandapa. Natural divisions. — Mysore naturally divides itself into two separate regions, each of which has well-marked and distinctive features. Of these the Malnad,^ or hill country, lies to the west, and is confined to the tracts bordering or resting on the ^^'estern Ghats. It is a land of magnificent hill and forest, presenting alternations of the most diversified * Properly diir-ga, a Sanskrit word meaning difficult of access, and denoting hill-fort. * Kan. Male, hill ; iiddti, district, region. NATURAL DIVISIOXS 3 and charming scenery. A fertile soil and perennial streams clothe the valleys with verdant cultivation. The sheltered hillsides are beautiful with waving woods, which give shade to numerous plantations of coffee. Higher up are swelling downs and grassy slopes, dotted over with park- like groups of trees. Above all, the gigantic mountains rear their towering crests in every fantastic form of peak. Human dwellings are few and far between A cottage here and there, picturescjuely situated on the rising ground bordering the rice-ficlds, and hidden amid planta- tions of areca palm and plantain, marks the homestead of a farmer and his family. Towns there are none, and villages of even a dozen houses rare. The incessant rain of the monsoon months confines the people to their own farms. Hence each householder surrounds himself with all he needs, and succeeds in making himself to a great extent independent of the external world. The conditions of this isolated life are insupport- able to immigrants from the plains. But by far the greater portion of the Province, or all to the east and north of a line from (say) Shikarpur to Periyapatna, continued along the southern border to the Biligirirangan hills, belongs to the division of Maidan, Bail shime, or open country. Although much of the in- termediate region partakes of the characteristics of both, the transition from the Malnad to the Maidan is in some places very marked. Dense forests, which shut in the view on ever}' hand, give place to wide- spreading plains : the solitary farm to clustering villages and populous towns. Man meets with man, the roads are covered with traffic, and the mind feels relief in the sympathy of numbers. The means of water-supply and the prevailing cultivation give the character to the various parts of the open country. The level plains of alluvial black soil, as in the north, growing cotton or millet ; the districts irrigated by channels drawn from rivers, as in the south and west, dis- playing the bright hues of sugar-cane and rice-fields ; the lands under tanks, filled with gardens of cocoa and arcca palms ; the higher-lying undulating tracts of red soil, as in the east, yielding ragi and the conmion associated crops ; the stony and wide-spreading pasture grounds, as in the central parts, covered with coarse grass and relieved by shady groves of trees. The aspect changes with the seasons, and what in the dry and cold months, when the fields are lying fallow, appears a dreary and monotonous prospect, speedily assumes under the first operations of the plough the grateful hues of tillage ; which, under the influence of seasonable rains, give place in succession to the bright verdure of the tender blade, the universal green of the growing crops, and the browner tints of the ripening grain. The scene meanwhile is full of life, with husbandmen, their families and cattle engaged in the B 2 4 PHYSICAL GEOGRAPHY labours of the field. These arc prolonged in slacking and threshing until the cold season again sets in and the country once more assumes a parched and dusty aspect. River systems. — l"hc drainage of the country, with a slight exception, finds its way to the Bay of Bengal, and is divisible into three great river systems ; that of the Krishna on the north, the Kaveri on the south, the two Pennars, and the Palar on the east. The only streams flowing to the Arabian Sea are those of certain taluc^s in the north-west, which, uniting in the Sharavati, hurl themselves down the Ghats in the mag- nificent falls of Gersoppa; and some minor streams of Nagar and Man jarabad, which flow into the Gargita and the Netravati.^ A line drawn east from BalLilrayan-durga to Nandidurga (Xundy- droog) and thence south to Anekal, with one from Devaraydurga north to Pavugada, will indicate approximately the watershed separating the three main river-basins. From the north of this ridge flow the Tunga and the Bhadra, rising in the Western Gliats and uniting in the Tunga- bhadra, which, with its tributary the Hagari or Vedavati, joins the Krishna beyond the limits of IMysore in Srisaila near Karnul. From the south of the line, the Hemavati (with its affluent the Yagachi), the Lokapavani, Shimsha, and Arkavati flow into the Kaveri, which, rising in Coorg and taking a south-easterly course through the country, re- ceives also on the right bank the Lakshmantirtha, the Gundal, the Kabbani and the Honnu Hole before quitting the territory. From the east of the line, m the immediate neighbourhood of Nandidurga, spring three main streams, forming a system which Lassen has designated " die Tripotamie des Dekhans," namely, the Uttara Pinakini or Northern Pennar (with its tributaries the Chitravati and Papaghni), which dis- charges into the sea at Nellore ; the Dakshina Pinakini or Southern Pennar,- which ends its course at Cuddalore ; and between them the Palar, whose mouth is at Sadras. A continuation of the east and west line through Nandidurga to Sunnakal will mark the water-parting be- tween the first and the other two ; which, again, are divided by a line passing from Jangamkote to Bowringpet and the Betarayan hills. More accurately described, the axial line or " great divide " which forms as it were the backbone of the country, starts from the north of Ballalrayandurga and runs east-by-north to near Aldur. Thence it makes a bend, first, northwards up to the western extremity of the Baba * The course of each river is described in detail in Vol. II. - Its name below the Ghats appears to be Poni-ar or Ponn-dr, golden river, dr being the Tamil for river. It would be very convenient were geographers to agree upon restricting the name Penna to the northern stream and that of Ponna to the southern. The former is also called Penner (written Pennair), Jrii being the Telugu for river. RIVER SYSTEMS 5 Budan range and then south-east, passing between Belur and Halebid, down to Sige Gudda in the north of the Hassan taluk. From this point it strikes across the map in an east north-east direction, rounding the southern extremities of the HarnhalU and Hagalvadi hills, up to near Kortagiri, where it encounters the great meridional chain of mountains. Following the range south, past Devaraydurga to near Dodbele, it resumes an east-north-easterly course to Nandidurga and continues the same to the frontier near Sunnakal. Geographically it lies between the parallels of 13° 10' and 13° 25'. A line projected north from the west of Kortagiri up through Pavu- gada to the frontier, and one south from Nandidurga by Bangalore to Anekal, mark pretty nearly the limits of the respective river-basins in the transverse direction. This water-parting falls between the meridians of 77' 10' and 77" 30'. The basin of the Sharavati, which runs to Honavar on the Canara coast, occupies the west of the Shimoga District. It may be defined by a line drawn from Kodachddri south-east to Kavaledurga, thence north-east by Humcha to Masarur, and west-north-west by Anantapur and Ikkeri to Talguppa. The streams between Kodachddri, Kavale- durga and the Agumbi ghat westwards, run down to Kondapur ; and those of western Manjarabad, to Mangalore. The following statement contains an estimate of the total length, within the Province, of the main rivers with their principal tributaries ; and the total area of the catchment basin under each river-system within the same limits : — River System Total Length of Rivers Total Area of Basins Miles. Sq uare Miles. Krishna 611 11,031 Kriveri ... 646 9,486 N. I'ennar 167 2,280 S. I'ennar 32 1,541 Palar ... 47 1,036 Sharavati and west coast rivers 103 1,881 Owing to either rocky or shallow beds, none of the Mysore rivers is navigable,^ but timber floats are carried down the Tunga, the Bhadra, ' From the following statement in Buchanan it appears that Ilaiilar attempted to estal)lish navigation on the Tunga. " From Mangalore Haidar brought to Shimoga many carpenters, and built a number of lighters of about eight tons burthen. They are strong and flat-bottomed ; but, as the greater part of them have been allowed to remain on the bank where they were built, I doubt not that they were found very u.seless. The attempt is, however, no impeachment on the sagacity of Haidar, who 6 nrVSTCAT. GEOGRAPirY and the Kahhani at ccrlaiii seasons. Most of the streams are fordable during the dry months, or can be crossed by rude bridges formed of logs or stones thrown across from boulder to boulder. During floods, and when freshes come down, traffic over the streams is often suspended until the water subsides. But throughout the rainy season they are generally crossed at the appointed ferries by rafts, basket boats, canoes, or ferry boats. Men also sometimes get over supporting themselves on earthen pots. The teppa or raft is formed of bamboos lashed together, and merely affords an unsteady footing, the water washing freely through. The harigblu or coracle is a circular basket of stout wicker-work, composed of interlaced bamboo laths and covered with buffalo hides. It is 8 or lo feet in diameter, with sides 3 or 4 feet high.^ A smaller one, which holds only two people, is used for crossing some jungle streams. The db7ii or canoe is a dug-out, or hollowed log pointed at the two ends. The sd/igda, or regular ferry boat," is formed of two canoes secured together, with a platform or deck fastened upon them, and has sides turning on hinges which, let down, form a gangway for loading and un- loading. All these craft are propelled by a long bamboo pole, and are dependent for their course upon the currents. But paddles are some- times used with the canoe. Though useless for purposes of navigation, the main streams, espec- ially the Kc4veri and its tributaries, support an extensive system of irrigation by means of channels drawn from immense dams, called anicuts,'' which retain the upper waters at a high level and permit only the overflow to pass down stream. These works are of great antiquity, having been educated in a place remote from every kind of navigation, could have no idea of what boats could perform, nor of what obstacles would prevent their utility. To attempt dragging anything up such a torrent as the Tunga would be vain ; but, after having seen the boats, and known that some of them have been actually navigated down the river, I have no doubt of its being practicable to carry down floats ; and on these perhaps many bulky articles of commerce might be transported." ' Herodotus notices, as one of the most remarkable things he had seen at Babylon, boats of a construction so exactly similar, that the description of one would precisely answer for the other, with the single difference of substituting willow for bamboo. These boats carried the produce of Armenia, and " the parts above Assyria," down the Euphrates to Babylon ; and each boat along with its cargo carried a few asses for the purpose of conveying the returns by a shorter overland route. Boats of the description noticed by Herodotus, although apparently unknown in Greece at that period, were in after ages commonly used in Italy on the Po ; and in Britain in the time of Caesar. Boats of the same materials but of different shape are used at this time in South Wales, and the north-west of Ireland ; in the former country they are named corracle, in the latter corraigh. — Wilks, i, 257. - The mention of aaryyapa occurs in the Periplus. •' From Kan. ane kattc, both meaning dam, dyke, or embankment. HYDROGRAPHY 7 the large Talkad anicut, the lowest down on the Kaveri, having been constructed a thousand years ago ; while the most recent, with few exceptions, are not less than three centuries old. " The dreams which revealed to favoured mortals the plans of these ingenious works (says A\'ilks) have each their appropriate legend, which is related with rever- ence and received with implicit belief." The channels or kdlvcs thence drawn, meander over the adjoining tracts of country on either bank, following all the sinuosities of the ground, the total length running l)eing upwards of 1,200 miles. ^ There are no natural lakes in Mysore, but the streams which gather from the hillsides and fertilize the valleys are, at every favourable point, embanked in such a manner as to form series or chains of reservoirs, called tanks,-' the outflow from one at a higher level supplying the next lower, and so on all down the course of the stream at a few miles apart. These tanks, varying in size from small ponds to extensive lakes, are dispersed throughout the country to the number of 38,080 ; and to such an extent has tliis principle of storing water been followed that it would now require some ingenuity to discover a site suitable for a new one without interfering with the supply of those already in existence. The largest of these tanks is the Sulekere, 40 miles in cir- cumference. Other large ones are the Ayyankere, Madaga-kere, Masur- Madaga-kere, Vyasa samudra, Ramasagara, Moti Talab, tlvic., of which accounts will be found elsewhere (Vol. II). The spring-heads called talpargis form an important feature of the hydrography of the north-east. They extend throughout the border regions situated east of a line drawn from Kortagiri to Hiriyur and Molkalmuru. In the southern parts of this tract the springs may be tapped in the sandy soils at short distances apart, and the water rises close to the surface. Northward the supply is not so plentiful. In Pavugada a soft porous rock has to be cut through before reaching the water, and in the other taluc^s of the Chitaldroog District hard strata of rock have sometimes to be perforated. \M-ien the water is obtained, it is either conducted by narrow channels to the fields, or a kapilc well is constructed, from which the water is raised by bullocks. Mountain systems. — ^From the gigantic head and shoulders, as it were, of the lofty Nilgiri group, which commands the southern frontier, are stretched forth like two arms, in a north-west and north-east direction res[)ectively, the AVestern and Eastern (liiat ranges, holding within ' The anicuts and channels are fully described innler the respective rivers in \'..l. If. - Kcre is the general name in Kannada, hut Icola, hiiittc, and other terms are applied to certain descriptions. 8 PHYSICAL GEOGRAPHY their mighty embrace the mountain-locked plateau of Mysore. The hills of this table-land, though rarely in continuously connected chains, arrange themselves into systems crossing the country longitudinally, in directions more or less parallel with the Eastern and Western Ghats according to their proximity to one or the other; and attaining their greatest elevation between 13 and 13^ degrees of north latitude, along the north of the watershed line dividing the Krishna and Kaveri river systems. The best defined of these ranges is a belt, from 10 to 20 miles wide, running between the meridians of 77 and 775, from the Biligirirangan hills as their western limit, through Kankanhalli northwards up to Madgiri, and on to the frontier by way of Pavugada and Nidugal. It separates the eastern from the northern and southern river-basins. On the west, a somewhat corresponding range, not more than 10 miles in width, runs north along the meridian of 75I from Ballalrayan-durga up to beyond Shikarpur, having on its east the loop of the Baba Budans, projecting as it were like some Titanic bastion guarding the approaches to the Malnad or highland region formed by the congeries of hills and mountains which intervene between the range and the Ghats on the west. Intermediate between the two internal ranges above described is placed a hilly belt or chain, with considerable intervals between its com- ponent parts, tending to the east on the south of the central watershed and to the west on the north of it, so as to form a very obtuse angle in traversing the centre of the country. Starting from the Wainad frontier at Gopalswami betta, between Gundlupet and Heggadadevankote, it passes by Seringapatam and Nagamangala to Chunchangiri, where, exchanging its easterly for a westerly course, it reappears to the west of Kibbanhalli in the Hagalvadi hills, and crossing in a continuous belt through the middle of the Chitaldroog District, quits the country to the north of Kankuppa. In the northern section of the territory, where the distance between the Ghat ranges, and by consequence between the intermediate belts, continues to increase, the interval is occupied by minor ranges. Of these the most important is the Nandidroog range, commencing near the hill of that name and stretching northwards by Gudibanda to Fenu- konda and the Anantapur country. In the west, a similar medial chain, but of lower elevation, passes from the eastern base of the Baba Budans south of Sakrepatna, up by Ajimpur, the Ubrani hills and Basvapatna, between Honnali and Male Bennur, along the right bank of the Tun- gabhadra, to the frontier, where it meets that river. Viewing the mountains as a whole, the Eastern and Western Ghat MOUNTAIN SYSTEMS 9 ranges might be compared to the antlers of a stag, the branching tynes being represented by the intermediate parallel chains starting from the north of the central watershed and more or less connected by cross ridges along their southern extremities. The chief peaks of the western system are loftier than those of the eastern. Except on the verge of the Western Ghats, all the mountains throughout the country, it is believed, present their steepest escarpment more or less eastwards. In the west, INIulainagiri, and in the east, Nandidroog, are the highest elevations, and they are almost on the same parallel, or between 13° 23' and 13^ 24', immediately north of the central watershed. The loftiest points just south of that line are Ballalrayan-durga in the west, and Sivaganga in the east, both situated between 13° 8' and 13° 10'. The table on the following page will serve to show the arrangement and altitude of the principal peaks in each system. The figures are mostly taken from the charts of the Great Trigonometrical Survey of India, supplemented from those of the Topographical Sur\-ey. Fur- nished at the summit with springs which yield an unfailing supply of water, most of these heights seem ■ formed by nature for secure retreats. Hence there are few of the more prominent ones that have not been surrounded or capped with fortifications, often carried in long lines, with a vast expenditure of labour, along all the spurs and projec- tions of the droog, forming strongholds with good reason deemed im- pregnable before the time when British artillery was directed against their walls. A particular account of the most interesting will be found under each District. It may be useful to quote here the following most recently published opinion regarding the physical geography of this part of India : — " In the peninsular area the mountains are all remnants of large table- lands, out of which the valleys and low lands have been carved. The valleys, with a few local exceptions, are broad and open, the gradients of the rivers low, and the whole surface of the country presents the gently undulating aspect characteristic of an ancient land surfoce." "The Anamalai, Palni and Travancore hills, south of the Palghat gap, and the Shevaroy and many other hill groups scattered over the Car- natic, may be remnants of a table-land once united to the Mysore plateau, but separated from it and from each other by ancient marine denudation. Except the peculiar form of the hills, there is but little in favour of this view, but on the other hand there is nothing to indicate that the hill groups of the Carnatic and Travancore are areas of special elevation.'" ' R. D. (Jldham, " Manual of the Geolog)' of India," 2nd edition (1893), IT- 2, 4- PHYSICAL GEOGRAPHY WESTERN SYSTEM IS' 75° 76° 14 — 13 — Chandragutti, 2 1 794 1 Hanuman betta, 2,507 Kalvarangan hill, 3,388 Hill at Sulekere, 2,695 Govardh ingiri, 1,720 Karadi betta, 2,725 - Kodachadri , 4.411 Hanuman durga, 3,181 Ubrani hills, 2,891 Kavaledurga, 3,058 Koppa durga, 2,960 Lakke pan-ata, 4,662 Baba Budan Range Hebbe betta, 4,385 Kalhatti giri, 6,155 Deviramman gudda, Kaldurga, 3,183 5,906 Baba Budan giri, 6,214 Kondada betta, 3,207 Woddin gudda, 5,006 Varaha parvata, 4,781 Merti gudda, 5,451 Kudure muklia, 6,215 Rudra giri, 5 Mulaina giri, ,692 6,317 Sakuna giri. 4,653 Garudan giri, 3,680 Ballalrayan durga, 4,940 Kate gudda, 4,540 Karadi gudda, 4,523 Siskal betta, 3,926 Jenkal betta, 4,558 Murkan gudda, 4,265 Devar betta, 4,206 Subrahmanya or Pushpa giri, 5,626 Maharajan durga, 3,899 Bettadpura hill, 4,389 J j— 1 7^ 1 1 76° MOUNTAIN SYSTEMS I Chain IT EASTERN SYSTEM 78- Santigudda, 2,595 Jalinga Ramesvara hill, 3,469 S'uiike Bhairava hill, 3,022 hill, 2.721 betta, 3,28( ?., 3.329 ii. 3.803 2,274 3,226 Mis, 3.543 gin, 3,221 Xidugal, 3,772 Pavugada, 3,026 Midagesi durga, 3,376 Madgiri durga, 3,935 Gudibanda, 3,361 Channarayan durga, 3,744 Itikal durga, 3,569 — 14° Dokkal konda, 3,807 Kortagiri, 2,906 Devaray durga, 3,940 Xijagal, 3,569 Hariharesvar betta, 4,122 Mudimadagu, 4.528 Sunnakal, 4,229 Kalavar durga, 4,749 Chanrayan betta, 4,762 Xandi durga, 4,851 Brahmagiri, 4,657 Dibgiri Ambaji durga, 4,399 Rahman Ghar, 4,227 Sivaganga, 4,559 Bairan durga, 3,499 Hutri durga, 3,713 Savan durga, 4,024 Hulyur durga, 3,086 Ramgiri, 3,066 Sivangiri, 2,931 Mudvadi durga, 3,131 Banat mari betta, 3,422 Kabbal durga, 3,507 Halsur betta, 3,341 Kolar hills, 4,026 Kurudu male, 3.312 Tyakal hills, 3,704 Bann^rghatta, 3,271 Betrayan konda, 3,006 Yerra konda 3-359 — 13 lurga, 3,589 3.579 , 3,190 jcks, 2,882 , 2,697 i betta, 3,489 Koppa betta, 2,821 Biligtrirangan Hills Biligirirangan betta, 4,195 Matpod hill, 4,969 Punajur hill, 5,091 mi hill, 4,770 iri Group tta, 8,760 77 78° GEOLOGYi The great ranges of the Western and Eastern (ihats, together with the intervening table-lands, may be regarded as part of one magnificent elevation of Plutonic rocks by a succession of efforts, during a period which may be termed Plutonic, breaking up the hypogene schists and in some instances uplifting aqueous beds of a more recent origin. The true general direction of this elevation is nearly N. 5° W, though the apparent directions of the lateral chains on its flanks are to the east and west of north respectively. The surface of the table-lands between these chains has a general in- clination easterly by south towards the Bay of Bengal, into which the principal rivers empty themselves. This gentle inclination, often assisted by cross lines of elevation, determines the great drainage lines of the country. The singular appearance of the detached hills and clusters of hills, which above the Ghats are seen abruptly starting up from the flat plains with little or no tali, have been sometimes compared to a table with teacups here and there reversed on its surface, a not inapt though homely illustration. The bare extensive surfaces of the granitic, trappean and hypogene rocks in Southern India afford on a grand scale exposes, not to be sur- passed in any other portion of the globe, of the protean aspects under which these rocks present themselves. The very absence of those fossi- liferous beds which so thickly encrust the surface of a great portion of Europe and many other parts of the world, is in itself a subject of in- teresting research ; and the geologist may in the peninsula of India advantageously study a huge and disjointed mass of the nether-formed ^ Chiefly from articles by Captain Xewbold, P'.R.S., on the " Geolog}- of Southern India." — (J. R. A. S. viii, ix, xii. ) [Note. — When compiHng the first edition, I applied to the Geological Survey of India for information on the geology of Mysore, and was informed in reply that, as the country had not been surveyed, nothing was known of its geolog}-. Being thus thrown on my own resources, I discovered the articles from which this chapter was taken. Their value has since been recognized by the Geological Survey, for Mr. W. T. Blanford, in the Introduction to the first edition of the "Manual of the Geology of India" (p. Ixxii), writes as follows : — Newbold, 1 844- 1 850. —This account refers to the southern part of the Peninsula alone ; but it is the work of one of the best, if not actually the best, of the earlier Indian geologists ; and it has the peculiar advantage over all other summaries published up to the present time, that the author possessed an extensive personal acquaintance with the country described Most of the observations recorded in the summary are admirable ; and altogether the paper is so valuable, that the neglect with which it has been generally treated is not easy to understand.] To face page 13 GE OLOGICAL SECTI ONS IN THE LATITUDES OF ^AN^AUJRE^ AND^OFJ^jE NORT>IERJj^RONTlER. After Captain Newbold, F. R.S. fl "ts I SECTION IN ABOUT LAT 15" N fH "t ^S I I ? METAM ORPHIC ROCKS 13 rocks which constitute the framework of our planet, and which here present themselves ahiiost divested of integument, weathering under the alternations of a vertical sun and the deluging rains of the tropics. Metamorphic Rocks. — Hypogene schists, penetrated and broken up by prodigious outbursts of plutonic and trappean rocks, occupy by far the greater portion of the superficies of Southern India. They con- stitute the general bulk of the Western Ghats from between the latitude of 16" and 17° N. to Cape Comorin ; and from the northern base of the Eastern (ihats to their deflection at latitude 13° 20' N. They are partially capped and fringed in the ^\'estern (ihats by laterite, and in the Eastern Ghats by sandstone, limestone and laterite. They form the basis of the valley of Seringapatam and of the table-land of Mysore. The inequalities and undulations of the surface, though originating in the dislocations and flexures of the metamorphic strata at the periods of their uj)heaval, have been evidently modified by aqueous erosion and by the faster weathering of the softer members of the series, — ■ such as mica and talcose schists, — the softer clay slates and shales ; which, crumbling and washed away, have left their harder brethren standing out in relief on the face of the country. Where we see gneiss, hornblende schist and quartzite rising in parallel ridges sepa- rated by valleys, we generally find the valleys occupied by the softer members of the series, often deeply covered with debris from the ridges. Where gneiss rises above the general level of the surrounding plain, its elevations may be distinguished from those of granite, which the hills of thick-bedded varieties of gneiss sometimes assimilate, by their greater continuity and uniformity of altitude ; their tendency to a smooth dome- shaded outline ; and greater freedom from precipices and disrupted masses. Near lines of plutonic disturbance, however, these distinguish- ing marks are less perceptible. Elevations of mica and talcose schists obtain, generally, a less alti- tude than those of hornblende or gneiss ; and have a more round- backed and smoother contour on the whole. Vet the outline in detail is jagged, owing partly to these rocks weathering in larger, more angular or less concentric fragments, often leaving abrupt steps and small preci- pices. Hornblende and gneiss are seen rising, as m the \\'estern Ghats and the Nilgiris, to the height of 8,000 feet above the sea's level. The former is recognized by its bold sharp ridges, often precipitous, but rarely presenting conical peaks. Hills composed entirely of actinolite or chlorite schist are seldom 14 GEOLOGY met with ; those of (luartzite have long crest-Hke outhnes, often running smoothly for some distance, but almost invariably breaking up into large, angular masses, sometimes cuboidal : the sides of the crests are usually precipitous. Hills of clay slate are distinguished by a smooth, wavy outline, separated by gently sloping valleys. Outliers or detached hills of this rock are usually mammiform. But, as before remarked, all these normal crystalline rocks, when near lines or foci of plutonic disturbance, frequently undergo great changes in physiognomical aspect ; and in lieu of the smoothly rounded hills of clay slate, and its gently sloping vales, smiling with fertility, we behold it cleaved into sterile, rugged ravines and rocky i)recipices. Gneiss is usually found lowest in the series : next to it mica and hornblende schist, actinolite, chlorite, talcose and argillaceous schist, and crystalline limestone, in due succession : but to this rule there are numerous exceptions. All these rocks, except crystalline limestone, have been observed resting on granite without the usually intervening gneiss. The strata are often violently contorted or bent in waving flexures, particularly in the vicinity of plutonic rocks ; and much irreg- ularity occurs in the amount and direction of dip throughout the hypogene area. In the Western Ghats it is usually easterly, and at angles varying from io° to 90°. At the summit of the Ghats near the falls of Gersoppa, the gneiss dipped at an angle of 35° to the N.E. But the hornblende schists do not always dip from the plutonic rocks — in many instances the dip is towards them : a fact indicating that the strata have been disturbed at some previous period, or that they may have suffered inversion ; which is known to be the case in beds of more recent origin. While the dip of the two great lines of elevation, viz., the East and West Ghats, is generally westerly and easterly, or at right angles with the direction of the strata, that of the minor cross ranges is usually southerly. Numerous irregularities and exceptions, however, to this general rule occur, particularly near the northerly and southerly great synclinal line of dip on the table-lands between the Eastern and AVestern Ghats, and near localities where it is traversed by the cross lines of elevation. The intrusion of trap dykes has also caused much diversity in the dip. These irregularities will always prove obstacles in tracing out with accuracy the synclinal dip line between the Eastern and Western Ghats. Gneiss and hornblende schist are by far the most prevalent rocks of the series : to gneiss the other members may be termed subordinate. Near its contact with the granite it commonly assumes the character of what has been styled granitoidal gneiss, losing its stratified appearance, and not to be distinguished in hand specimens from granite. Spherical METAMORPJIIC ROCKS 15 and oval masses of granite, resembling boulders, are sometimes observed impacted in the gneiss. Veins of reddish compact felspar, felspar coloured green with actinolite, epidote or chlorite, with and with- out quartz; also of milky quartz with nests of iron ore, mica and hornblende are very common in gneiss : also dykes and veins of granite. All these veins are of older date than the intrusion of the greenstone dykes which invariably sever them. Particular varieties of gneiss prevail in different districts. These rocks not only abound in nests and veins of rich magnetic and oxidulated iron ore, but in thick interstratified beds and mountain masses of these minerals. iMica schist is found sparingly distributed over the whole of the hypogene area in thin beds. It is found in the greatest abundance and purity in the western parts of Mysore. A vein of granite in it is rare, though abounding in those of quartz. Takose, chloritic^ and acti)wlitic schists are still more sparingly distributed : the first is seen in the west of jNIysore. Fine varieties of actinolitic schist occur in the Western Ghats at the falls of Gersoppa ; and it is pretty generally distributed in thin beds over Mysore. Hornblende schist ranks next to gneiss in extent and thickness of beds, and is seen washed by the sea at the bases of the Eastern and ^^'estern Ghats, forming some of the loftiest peaks of the latter and supporting large level tracts of table-land. This rock varies from the compact structure of basalt to the crystalline texture of granite, and to that of porphyry, and may be seen from lamin?e of a few lines in thickness, passing into beds forming mountain masses. The principal constituent minerals are hornblende and felspar. Quartz, garnet and mica are frequently mixed. Large beds of compact felspar, generally of a pinkish hue, with a little quartz and a few scales of mica, quartzite and milk quartz, having a similar direction to that of gneiss, occur, forming low ranges of hills. Clay slate does not occupy a large surface of the hypogene area. It occurs at Chiknayakanhalli, Chitaldroog, and in parts of the Shimoga District. Imbedded Minerals. — Chert is pretty generally distributed, also the •common garnet ; the latter occurs in the greatest abundance in the Eastern Ghats, but is also found in the Kempukal river at the Manjara- bad Ghat; black garnet and tremolite occur in the granitoidal gneiss of Wurralkonda (Kolar District). Epidote and actinolite are found usually in quartz and felspar veins. Indianite occurs sparingly with corundum, fibrolite and garnet in gneiss and hornblende schist in the valley of the Kaveri. Corundum is found in Mysore in talc, mica, or hornblende schist associated with iron ore, asbestus, and sometimes indianite and fibrolite. It occurs imbedded in the rock in grains and ■crystals. Its principal localities are Gollarhalli near Chanraypatna, 1 6 GEOLOGY Mandya near Seringapatam, Bcgur, Bannerghatta, Bagepalli and other l)laces.^ Fibrolite occurs but rarely with indianite and corundum. Kyanite occurs in gneiss with tremolite, pearl spar, bitter spar, almandine and staurolite. Steatite occurs in the talcose schists in the west of Mysore ; as also potstone, in beds of considerable size and veins, and more or less dispersed over the whole hypogene area ; occasionally associated with nephrite. Magnesite, an almost pure carbonate of magnesia, occurs in the vicinity of Hunsur. Mica is found universally diffused. In some parts of the Western Ghats and on the table-lands to the east, this mineral and talc are found in plates large enough for windows and lanterns, for which purpose they are used by the natives, as also for ornamental devices and for painting on. Chlorite is rarely found uncombined with felspar, silex, or hornblende. Nacrite or scaly talc is here and there met with. Adularia is found in the gneiss at some places. Albite or cleavlandite occurs occasionally throughout the gneiss districts, as also tourmaline or schorl, both black and green. Sulphate and sub-sulphate of alumina are occasionally found in thin incrustations and efflorescences between the layers of the soft ferruginous slates into which the hornblende and mica schists pass. Iron pyrites or sulphuret of iron is distributed in small proportions in the hypogene rocks ; but the oxides, both magnetic and heematitic, exist in extraordinary abundance, forming masses and large interstrati- fied beds in the mountain chains. In gneiss these ores frequently replace hornblende and mica ; alternating with quartz in regular layers. Magnetic iron ore with polarity is found in the massive state on the Baba Budan hills. Micaceous and specular iron ores are less common. A dark magnetic iron sand is usually found in the beds of streams having their origin among hypogene rocks, associated with gold dust and sometimes with menaccanite. Iron ore slightly titaniferous is found over the whole hypogene area. The black oxide of manganese associated with iron ore is found sparingly in the hills. Antimony occurs in the Baba Budan hills, and at Chitaldroog. ' Attention having been drawn to corunduni as a valuable article of export, and on account of its possible use for the manufecture of aluminium, Mr. Petrie Hay, of Hunsur, has recently collected a quantity from villages to the south and west of that town. Very excellent crystals of yellowish corundum, with a brown weathered surface, were collected from the fields. Some tapering hexagonal prisms up to five inches in length, and a cubical piece of about four inches side, with a block weighing 300 lbs., were sent by him to the Madras Museum. Dr. Warth, of the Geological Survey, considers them of great importance as indicating the probability of a large and continuous yield. The quality of the quarried pieces is very little inferior to that of the crystals. The specific gravity of the large crystals was 4*02 and of the rock corundum 3 "So. IMBEDDED MINERALS 17 Ores of silver have been said to occur in Belli Betta near Attikuppa.^ Ainslie states that Captain Arthur discovered this metal in small quantities in Mysore, both in its native state in thin plates adhering to some specimens of gold crystallized in minute cubes, and mineralized with sulphur, iron and earthy matter, forming a kind of brittle sulphuretted silver ore. Gold has long been found in the alluvial soil bordering on the Betarayan hills in Kolar District. The geognostic position of gold in this and other localities appears to be in the i)rimary schists, viz., gneiss, mica slate, clay slate, and hornblende schist, particularly near the line of their contact with granite or basaltic dykes, where we generally find the tendency to siliceous and metallic development unusually great. The gold is almost invariably discovered either in thin veins or dissem- inated in grains in the veins and beds of quartz, associated with iron ore and sometimes platinum, and alloyed with small proportions of silver and copper, or in the tracts of alluvial soil, beds of clay and sands, with the washings of primary rocks. Mining operations were carried on here by the natives from a remote period and abandoned. But since 1875 gold mining has been revived on a large scale by European enterprise, and what was virtually a desert waste has thus been converted into a populous and thriving industrial centre. The details of these operations will be found farther on under Industrial Arts. Plutonic Rocks.— Cm^/Vt' prevails throughout the great hypogene tracts, sometimes rising abruptly from the surface of immense level plains in precipitous peaked and dome-shaped masses ; sometimes in low steppes ; sometimes in great heaps of amorphous masses ; at others with sharp outlines, obscured and softened down by a mantle of the hypogene schists which have accompanied its elevation. This latter occurs most frecjuently in continuous mountain chains, such as the Ghats ; but to view this rock in all the boldness of its true physical contour, we must approach the detached ranges, clusters, and insulated masses that break the monotony of the table-lands. Here we find but little regularity in the direction of elevation. In many clusters the granite appears to have burst through the crystalline schists in lines irregularly radiating from a centre, or in rings resembling the denticulated periphery of a crater. The most remarkable of the insulated clusters and masses of granite on the table-land of Mysore are those of Sivaganga, Savandroog, ' But Mr. Bruce Foolc, of tlic Geological Survey, reported in 1SS7 as follows ; " I searched the hill most carefully and could not find the slightest trace of any ore of silver." 1 8 GEOLOGY Hutridroog, Nandidroog, Chandragutti, and Chitaldroog. The rock of Nandidroog is almost one solid monolithic mass of granite, rising 1, 800 feet above the plain and upwards of 4,800 feet above the sea ; that of Sivaganga is nearly as high. These masses have usually one or more of their sides precipitous, or at such an angle as to be inaccessible except at few points. Most of them, like that of Savandroog, are so steep as to admit of Httle vegetation, and present surfaces of many thousand square feet of perfectly naked rock, in which the veins and mineralogical structure are beautifully laid bare to the eye of the geologist. It is not to be understood that granite is to be met with only in this abrupt amorphous form. On the contrary, it is sometimes found in immense undulating layers like lava, rising little above the general level of the country, separated by fissures and joints, and running for a considerable distance in a given direction like a regular chain of hills. The horizontal fissures often impart a pseudo-stratified appearance, and when crossed by others nearly vertical, give the whole the semblance of some huge wall of cyclopean masonry. The cuboidal masses com- posing these walls weather by a process of concentric exfoliation into spheroids. This process occurs often on a grand scale, and the ex- foliated portions compose segments of circles of many yards radii. This decay of lofty granitic masses produces some of the most picturesque features of an Indian landscape; its strange columnar piles, trees, and logging stones, which far excel those of Dartmoor in grandeur and in the fantastic forms they assume. Some of these piles are held together in the most extraordinary positions, and the blocks composing them are found connected by a felspathic siliceous and ferruginous paste, the result of the decay of the upper masses, washed down and deposited around the joints by the action of the rain. There they stand ; some tottering on their base, leaning over and threatening every instant to topple down upon the unwary traveller ; others erect, amid a ruin of debris at their feet, — silent monuments of the process of the surrounding decay. Sometimes the summits of the higher elevations are composed of immense monolith peaked masses of granite, which split vertically ; the separated portions are often known to descend from their lofty position with the rapidity and thunder of an avalanche. As the rocks waste from the summit, at their base will be usually observed a tendency to a re-arrangement of the component particles of the rock going on in the debris there accumulated. At Chitaldroog may be seen, at the base of a granite clifi' which tops one of the hills, a porphyritic-looking mass thus formed of a reddish clayey paste, imbedding reddish crystals of felspar. PLUTONIC ROCKS. 19 Almost every variety of this rock is found, but the prevaiUng granite is composed of felspar, quartz, mica and hornblende. Quartz, felspar and hornblende, the syenite of some mineralogists, is also common, and runs into the ordinary granite. That beautiful variety called protogine, in which talc, or chlorite, or steatite replaces the mica, is not very common in India, but is met with in a few localities in the west of Mysore. In all these cases chlorite and talc are the replacing minerals, the former predominating. Pegmotite, granite composed of quartz and felspar, is frequently met with ; but the variety called graphic granite is rare. Schist granite never occurs as a mountain mass, but is found in veins or patches imbedded in ordinary granite. The same may be said of actinolitic granite, or granite in which actinolite replaces mica. The latter usually is most frequent in hornblendic granite, and the actinolite passes by insensible gradations into hornblende. The felspar of actino- litic granite is usually flesh or salmon-coloured. Porphyritic granite, or granite having large crystals of felspar imbedded in ordinary or small- grained granite, is common. The rock of Savandroog affords a good example of the prevailing variety. It is composed of a granite base of felspar, quartz, mica and hornblende, imbedding long pale rose-coloured crystals of felspar. Fine granite porphyries are less frequently met with : a beautiful specimen occurs in a large vein or dyke which traverses the gneiss in the bed of the Kaveri at Seringapatam, nearly opposite the sallyport close to which Tipu was killed. It is composed of a basis of compact reddish and salmon-coloured felspar and a little quartz, imbedding lighter-coloured crystals of the same, with needle-shaped crystals of green tourmaline. The great prevalent mineralogical feature in the granite of Southern India is its highly ferriferous nature. The mica and hornblende is frequently replaced by magnetic iron ore in grains, veins, and beds ; and sometimes by fine octohedral crystals of the same, with polarity. Most of the minerals and ores described as occurring in gneiss are also found in granite. The ordinary granite is traversed by veins of granites both finer and larger grained : the former pass into eurite, a rock in which all the com- ponent minerals of granite are mingled together in one almost homo- geneous paste. The minerals composing the larger grained veins are often in a state of segregation and crystallization. The mica, instead of being scattered in minute scales throughout the substance of the rock is sometimes collected in large plates nearly a foot in length (used by natives for painting on) ; the quartz in large amorphous nodules, or hexahedral pyramidal prisms of equal length ; and the felspar by itself c 2 2 GEOLOGY in reddish layers and beds. The veins and beds of felspar are usually reddish, and penetrated by fissures, which give a prismatic structure : these fissures are often lined with compact felspar, coloured by actino- lite, or chlorite, or with drusy crystals of the former mineral, which is also found in nests. Milky quartz is segregated into large beds forming chains of hills, usually containing nests and seams of iron ore, rock crystal, and crystals of amethystine quartz. Both oval and lenticular nests of hornblende and mica occur in granite. Granite is seen in veins penetrating the hypogene schists. Good examples occur near Seringapatam. In many situations granite appears to have broken through the earth's crust in a solid form ; as is evident from the sometimes unaltered and shattered condition of the strata immediately in contact. Eiirite is found throughout the granite and hypogene tracts, but more frequently among the latter rocks, with which it often has all the appearance of being interstratified ; in the granite it occurs in dykes. The eurite of Seringapatam may be regarded as a type of the petrosilex eurites. It sometimes passes into eurite porphyry, imbedding distinct crystals of laminar felspar. Diallage, euphotide or gabbro, occurs at Banavar, about eight miles westerly from Bangalore, associated with gneiss and mica schist. It there presents itself in low elevations, con- sisting of angular rough masses of the diallage rock, half-buried in a detritus the result of its own disintegration. The masses have not the slightest appearance of stratification ; but are divided by fissures, like granite, into cuboidal blocks. The rock is composed chiefly of diallage and felspar ; the colours of the former varying from light and dark grey to greyish green and bright green. The felspar is white and greyish white ; sometimes in distinct crystals, but generally confusedly aggregated. The general colour of the rock is light grey and greenish grey. The diallage at Banavar has more the appearance of a dyke or vein in the hypogene strata than of an interstratified bed ; but no natural section of the junction line of the two rocks presents itself Serpentine. — Near Turuvekere a dark crystalline rock occurs, com- posed of a dark grey or black talcose paste, imbedding numerous small black crystals of a mineral containing a large proportion of iron, being strongly attracted by the magnet. It bears a beautiful polish ; the surface exhibiting, on close inspection, in the dark shining paste, still darker spots occasioned by the magnetic crystals. It was quarried by the sovereigns of Mysore for architectural purposes, and forms the material of the beautiful pillars which support the mausoleum of Haidar at Seringapatam. This rock has been mistaken for basaltic greenstone,. VOLCANIC ROCKS 21 but it may be a bed of massive ferriferous potstone — here common in the talc schist — elevated, indurated, and altered by one of the basaltic dykes that traverse the rocks in the vicinity. Geologically viewed it has all the characters of a serpentine ; and mineralogically it resembles the ferriferous serpentine or ophiolite of Brongniart, which consists of a magnesian paste imbedding disseminated grains of oxidulated iron. Yolcanic Rocks. — Basaltic greenstone is universally distributed. It prevails in hypogene areas, diminishes in those occupied by the diamond- sandstone and limestone, and totally disappears in districts covered by laterite and deposits of a more recent epoch. It is most developed in the stretch of table-land between Bangalore and Bellary. It never occurs in continuous overlying sheets like the newer trap, but pene- trates in dykes the rocks just described, up to the age of the laterite. These dykes often terminate on reaching the surface of the rock, or before reaching it ; while others project from the surface in long black ridges, which, originally like a wall, have since tumbled into both globular and angular fragments by disintegration. Most of the blocks usually remain piled up on the crests of the elevations, while others have lodged on their sides or rolled down to their bases. Many of these blocks have a peculiar metallic or phonolithic sound when struck ; the well-known " ringing stones " west of Bellary afford a good example. These black bare ridges of loose stones, standing out in relief against the light-coloured granite or gneiss rocks, add another striking feature to the landscape of the plutonic and hypogene tracts. They often cross the country in a thick network, particularly between Nandidroog and Bagepalli. In many cases the protrusion of the basaltic greenstone above the general surface of the imbedding rock appears to have been occasioned by the weathering of the latter from its sides. The greenstone thus left unsupported and exposed to atmospheric action soon breaks up by the process of Assuring and concentric exfoliation. In a few instances it appears to have been forced in a semi-solid state beyond the lips of the rent in the rock without overlapping the rock, but none of these project- ing dykes have remained in that solid continuous wall-like state in which we see the prominent dykes of Somma or the Val del Bove. Their height above the general level of the country rarely exceeds eighty feet. The direction of the main dykes appears generally to coincide with that of the elevation of the mountains ; but if we trace any dyke, the general direction of which in a course of many miles may be north and south, we shall find it to zig-zag and curve in various directions at different parts of its course. Fragments of granite and gneiss, both angular and 2 2 GEOLOGY of a lenticular form, arc sometimes entangled and imbedded in the basalt ; and have been mistaken for veins or nests of these rocks. It is evident that, in many instances, the granite and hypogene rocks were solidified prior to the great eruptions of basalt that burst up from below into their seams and fissures, and that the molten fluid imbedded all loose fragments of rock, &:c., lying in them. It is probable that many of the fissures themselves were caused, or enlarged, as seen in modern volcanoes, by the expansion of the molten basalt and its gases from below, while struggling for a vent. The lithologic structure of this rock is as protean as that of granite. In the centre of large dykes we usually find it crystalline and por- phyritic ; and nearer the edges, less crystalline and more compact ; in fact, every gradation of amj)hibolitic and augitic rocks, from basalt to melaphyre, in the distance of a very few paces. Near the sides, in the compact varieties, may be seen needle-shaped crystals of augite, glanc- ing in confused arrangement here and there in the close texture of the basalt ; while a little nearer to the centre the augite almost disappears, and is replaced by fine large crystals of hornblende, and sometimes a few scattered scales of mica. Near the line of contact with gneiss, the basalt often loses its dark colour, and becomes of a faint green, like some varieties of eurite or serpentine, imbedding iron pyrites. This faint green eurite is also seen as a thin vitreous and vesicular enduit on its surface, like the scoriaceous lava found on the surface of the dykes of Etna. The cavities sometimes contain a yellowish-brown powder, which becomes magnetic before the blow-pipe ; or small crystals of epidote : in one specimen was found prehnite. The surface of the com- pact basalt in the dykes is often scored by small fissures, which, as in the Vesuvian dykes, divide the rock into horizontal prisms and run at right angles to the cooling surfaces. All the darker varieties of basaltic greenstone melt into a black or dark-green coloured glass or enamel ; and affect the magnetic needle. They are composed of felspar, horn- blende and augite, in varying proportions, and occasionally hyper- sthene. The minerals most common to these are, iron pyrites, garnets, epidote, and actinolite. These minerals distinguish them from the newer trap, which abounds in zeolites, calcedonies and olivine. The greenstone occasionally assumes the prismatic columnar forms of the newer basalts, or rather approaches to this structure ; thin layers of carbonate of lime often intervene between the joints, and between the concentric layers of the globular greenstone. In many instances the basalt has a fissile structure, which, when intersected by joints, form prisms well adapted for building purposes. In some cases, under the AQUEOUS MOCKS 23 hammer it breaks into rhomboidal fragments, the joint planes of which are marked superficially with dark brown or blue dendritic appearances on a pale yellow or brown ground. Rocks altered by Dykes. — Granite and gneiss in contact with a dyke usually become compact, or tough, or friable ; the felspar crystals lose their brightness and a portion of the water of crystallization, become opaque and of porcelain hue; the mica is hardened and loses its easily fissile lamellar character. In gneiss it may be seen replaced by minute crystals of tourmaline,, epidote and garnet, as near Chanraypatna. Limestone is converted into chert, or becomes siliceous ; sandstone into quartz ; and clay slate into basanite and jasper. In districts most intersected by dykes a general tendency to crystal- line and metallic development will be remarked, as well as an increase in the deposition of saline and calcareous matter, apparent in extensive layers of kunker, and efflorescences of the carbonate, muriate, and sul- phate of soda. The fissures through which the springs charged with these minerals rise, were originally caused, perhaps, by the same dis- ruptive forces that opened vents through the earth's crust to the molten basalt : and it is not improbable that these minerals and sulphates have their origin in causes connected with these ancient subterranean volcanic phenomena. Frequently no alteration is to be traced in the rocks in contact with dykes ; a circumstance readily accounted for when we reflect that the temperature of the injected rock is liable to great variation. In certain localities, indeed, the basalt appears to have been reciprocally acted upon by the rock it has traversed. Aqueous Rocks. — Sandstone and Limestone. — Resting immediately on the hypogene and plutonic rocks are found beds of limestone, sand- stone, conglomerate, argillaceous, arenaceous, and siliceous schists. Next to the hypogene schists, and the associated plutonic rocks, these limestone and sandstone beds occupy perhaps the greater portion of the area north of a line drawn through Sira to the west. They are most frequently observed exposed in the vicinity of the great drainage lines of the country and occur in irregularly-shaped patches, separated usually by broad and apparently denuded zones of the subjacent hypogene and plutonic rocks. The tracts occupied by the limestone and sandstone beds present a diversified aspect, sometimes flat and monotonous, and at others, near lines of [)lutonic disturbance, bare, rugged and picturesque. The lime- stone in some situations has evidently been denuded of the usually superjacent sandstone, dislocated, and elevated several hundreds of feet above the general level of the surrounding country in regular 24 GEOLOGY ranges, and often in highly-inclined strata. Caps of sandstone, though in such cases often wanting, are sometimes seen still covering the limestone peaks. The outline of these limestone ranges usually presents long, fiattish-topped ridges, whose sides and summits are not unfrequently covered with detached angular blocks of the rocks, with a grey, weathered, and scabrous exterior, resembling that of the mountain limestones of Europe. The sandstone, where undisturbed by plutonic intrusion, occurs in low, flat, wall-like ranges, rising at an almost similar level, rarely exceed- ing, 500 feet from the surface of the surrounding country, supporting tabte-lands of some extent and evidently once continuous. It is often intersected by deep fissures, extending from the summit of the rocks down to the base. When disturbed by plutonic force, the sandstone exhibits a striking contrast in its outline to the tame horizontal aspect it assumes at a distance from the axes of disturbance. It rises in bold relief against the sky in lofty rugged cross or hogbacked and crested hills, with precipitous mural ridges, which, rarely running at the same level for any distance, are interrupted by portions of the same ridge, thrown up at various angles with the horizon in steep and often inaccessible cliffs. When it crests the hypogene rocks, the lower part of the elevation is often composed of the latter to the height of about 200 to 400 feet, the slope of which has usually an inclination of from 15° to 20", while that of the cap of sandstone presents a steep or precipitous declivity varying from 45° to 90°, giving a decided character to the aspect and configuration of the mountains and ranges thus formed. The hills of arenaceous schists are to be recognized from the more massive sandstones by their undulating, round-backed summits, and their buttressed and dimpled flanks ; while those of the softer slates and shales affect the mammiform outline. Both limestone and sandstone beds, there is little doubt, were formerly of greater extent than now, and owe much of their present discontinuity and scattered positions to the agency of plutonic disturbance and subsequent denudation. The tracts of country intervening between their areas are usually occupied by granitic and hypogene rocks. Laterite occupies a large portion of the superficies of Southern India. It is found capping the loftiest summits of the Eastern and Western Ghats and of some of the isolated peaks on the intervening table-lands. Beds of small extent occur near Bangalore and Banavasi. That at Bangalore extends northerly towards the vicinity of Nandi- droog. Hills of laterite are usually distinguished by their long, low, LATERITE 25 flat-topped character, assimilating those of the trap and horizontal sandstone formations. The lands they support are, however, not so much furrowed as those of the sandstone by water channels, a circum- stance ascribable to the drainage passing rapidly off through the pores of the rock. When capping detached rocks, the laterite usually imparts to the whole mass a dome-shaped or mammiform outline, or that of a truncated cone. On the surface of table-lands it is spread out in sheets, varying from a few inches to about 250 feet in thickness, terminating on one or two sides in mural escarpments. Immense detached blocks, generally of a cuboidal shape, are often seen occurring on the flanks of the Western Ghats, and on the southern slopes of the Sondur hills, often separated and dislodged. The valleys intervening between ranges of laterite hills are generally winding, like those formed by the course of a stream, and flat-bottomed, particularly in districts where it overlies the newer trap. The laterite varies mucli in structure and composition ; l)ut generally speaking it presents a reddish-brown or brick-coloured tubular and -cellular clay, more or less indurated ; passing on the one hand into a hard compact jaspideous rock, and on the other into loosely aggregated grits or sandstones, and into red sectile clays, red and yellow ochre, and white porcelain earth, plum-blue, red, purplish and variegated lithomarges. Sometimes it presents the character of a conglomerate, containing fragments of quartz, the plutonic, hypogene and sandstone rocks and nodules of iron ore derived from them, all imbedded in a ferruginous clay. The cavities are both vesicular, tubular and sinuous ; sometimes empty, but in the lower portions of the rock usually filled, or partly filled, with the earths and clays above mentioned, or a siliceous and argillaceous dust, often stained by oxide of iron. A species of black bole, carbonized wood and carbonate of lime some- times occur, but rarely, in these cavities. Minute drusy crystals of quartz not uncommonly line the interior. The walls separating the cavities are composed of an argillo-siliceous paste, often strongly impregnated with iron and frequently imbedding gritty particles of quartz. The oxide of iron prevails sometimes to such an extent as to approximate a true ore of iron, and the nodules are often separated and smelted by the natives in preference to using the magnetic iron ore, which is more difficult to reduce, from its greater purity, ^^'hen the whole mass is charged with iron and very vesicular (not unfre- quently the case) it might easily be mistaken for iron slag. The colour of the parietcs separating the tubes and cells, which in the less ferruginous varieties is a light brick-red or purple, changes into a liver- 26 GEOLOG V brown, having externally a vitrified or glazed aspect ; while the surface of the interior cavities puts on iridescent hues. The walls of these cells are sometimes distinctly laminated. The air-exposed surfaces of laterite are usually hard and have a glazed aspect, and the cavities are more empty than those in the lower portion. A few inches or more below the surface the rock becomes softer, and eventually as it descends so sectile as to be easily cut by the native spades, but hardens after exposure to the atmosphere. Hence it is u.sed largely as a building stone in the districts where it prevails, and to repair roads. P>om its little liability to splinter and weather (time appears to harden it), it is a good material in fortifica- tions. The accumulation of the clays and lithomargic earths in the lower portions of the rock, which absorb some of the moisture per- colating from above, renders the mass soft and sectile. These earths doubtless existed once in the upper cavities of the rock, from which they have been gradually removed to. the lower strata by the downward action of the water of the monsoon rains. They accumulate at various depths from the surface and form impervious beds, on the depressions of which the water collects, forming the reservoirs of the springs we often see oozing from the bases and sides of lateritic hills and cliffs. Some of the tubes and cavities are cu/s de sac, and do not part with their contents ; but the generality have communication with those below them, either directly or indirectly. Associated Minerals. — Nodular, reniform and pisiform clay iron ore occur pretty generally distributed. Large beds and nests of litho- margic earths, and white porcelain earths, are not uncommon. Older AlluYium. — The designation of alluvium is here used in its extended sense to indicate certain beds of gravel and sand that are occasionally found covered by the regur deposit, and which occur in such situations as not to be accountable for by the agency of existing transporting powers ; simply prefixing the term " older " to distinguish it from the alluvium now .forming from the disintegration of rocks washed down by the rains and springs, and transported by rivers and local inundations. In the valleys of the Bhima, Krishna, Tungabhadra, and other large rivers are occasionally seen beds of alluvial gravel elevated beyond the highest existing inundation lines. Some of these deposits may be ascribable to shifts from time to time in the course of the river's bed ; a few to the action of rain in bringing down alluvium from the mountain sides ; but the majority appear to have been accumulated under con- ditions not now in existence ; probably, during the slow upheaval of the AVestern Ghats and plateau of the Dekhan, when the water OLDER ALLUVIUM 27 occupied a much greater extent than at present. In many places the rivers have cut their way through these deposits ; in others, channels exist of rivers, where now no water flows, or but a diminutive stream- let. Thus the Moyar valley, which runs along the table-land of Mysore by the base of the Nilgiris, differs entirely from a common mountain glen. Though a mile or more in breadth at some points, yet it is rather a ravine or fosse cut in the plain and not hemmed in by mountains. It opens out into the lower plain of the Carnatic at the Gajalhatti pass : the sides are precipitous, and its bed very much like the deserted channel of a river. The only stream now flowing in it is the Moyar, which, even in the monsoon, does not fill one hundredth part of its breadth and height : yet this singular excavation, extending some thirty miles in length, is unquestionably a waterworn channel. It is no fissure ; for its bed is quite solid and connected and composed of strata of the hypogene rocks. Hegnr or Black Cotton Clay. — This singular deposit, which in sheets of considerable thickness covers at least one-third of Southern India, is less common in Mysore. The plains occupied by the cotton soil are in general marked by their horizontal sea-like surface and almost treeless aspect. It covers the kunker and gravel beds just described, and is generally seen as a surface soil ; but if we examine the edges of great sheets they will generally be found to dip for some distance under the recent alluvium, which conceals and replaces them as a surface soil. It not only covers extensive plains, but the tubular summits of hills overlooking those of the sandstone and limestone, newer trap and laterite formations, far above the present drainage level of the country : it covers all rocks from the granite to the laterite and kunker, and often fills up depressions and chinks in their surface. The purest regur is usually of a deep bluish-black colour, or greenish or dark greyish black. The quantity of iron it contains is not sufficient to account for the black colour of this soil, which may be partly attri- buted to the extractive or vegetable matter it contains. The regur is remarkably retentive of moisture ; a property to which is ascribable much of its fertility. During the dry season, when the crops are off the ground, the surface of regur, instead of presenting a sea of waving verdure, exhibits the black drear aspect that the valley of the Nile puts on under similar circumstances, and whicli powerfully reminds one of the regur tracts of India. Contracting by the powerful heat of the sun, it is divided, like the surface of dried starch, by countless and deep fissures, into figures usually affecting the pentagon, hexagon and rhomboid. While the surface for a few inches in depth is dried to an impalpable powder raised in clouds by the wind and darkening the 28 GEOLOG y air, the lower portions of the deposit, at the depth of eight or ten feet, still retain their character of a hard black clay, approaching a rock, usually moist' and cold ; when the surface dust has a temperature of 130°. In wet weather the surface is converted into a deep tenacious mud. The purest beds of regur contain few rolled pebljles of any kind ; the nodules of kunker we see imbedded have probably been formed by concretion from the infiltration of water charged with lime ; and it is only near the surface that the regur becomes intermingled with the recent alluvium of the surrounding country, or in its lower portions, where it becomes intermingled with the debris of whatever rock it happens to rest on, — trap and calcedonies in trappean districts ; granite, sandstone, pisiform iron ore and limestone, in the plutonic and diamond sandstone areas. It sometimes exhibits marks of stratification. That the regur of India is an aqueous deposit from waters that covered its surface to a vast extent, there is little doubt : but it would be difficult to point out at the present day the sources whence it derived the vegetable matter to which in great measure it owes its carbonaceous colour, and the rocks from the ruins of which its remain- ing components were washed. Kunker. — The calcareous deposit termed kunker^ is irregularly dis- tributed in overlying patches. No tract is entirely free from it, with the exception, it is said, of the summits of the Nilgiris. It occurs, however, at the height of 4,000 feet above the sea among the ranges on the elevated table-lands. It is most abundant in districts penetrated and shattered by basaltic dykes, and where metallic development is greatest. It is perhaps least seen in localities where laterite caps hypo- gene or plutonic rocks. It occurs filling, or partially filling, fissures and chinks in the subjacent rocks, in nodular masses and friable concretions in the clays and gravels above the rocks, and in irregular overlying beds, varying from a few inches to forty feet in thickness. It has been found at the depth of 102 feet below the surface of the surrounding country, prevails alike in granite, the hypogene schists, the diamond sandstone and limestone, and in the laterite : hence the springs which deposit it must bring up their supply of calcareous matter from sources deeper beneath the earth's crust than the limestone. The older kunker is usually of a light brownish, dirty cream, reddish or cineritious grey tint ; sometimes compact and massive in structure, * A Hindustani word .CJo but of Sanskrit extraction, signifying a nodule of lime- stone or pebble of any other rock. MODERN ALLUVIA 29 but more usually either of a nodular, tufaceous, pisiform, botryoidal, or cauliflower-like form. Its interior is sometimes cancellar, or slightly vesicular ; but compact or concentric in the pisiform and nodular varieties. Its interior structure is rarely radiated. When compact it resembles the older travertines of Rome and Auvergne. It aggregates in horizontal overlying masses, usually intermingled with the soil without much appearance of stratification. It is broken up and used as a rough building stone in the bunds of tanks, walls of inclosures, &C., by the natives, and is universally employed to burn into lime. In the banks of rivers it is often seen concreting in stalactiform masses round the stems and roots of grasses, which, decaying, leave casts ot carbonate of lime. This lime, held in solution and suspension by existing streams, mingling with the fine particles of sand and ferru- ginous matter in suspension, sets under water like pozzolana ; and unit- ing the shells, gravel, sand, and pebbles in the bed and on the banks, forms a hard and compact conglomerate. Its origin may be referred to the action of springs, often thermal, charged with carbonic acid, bringing up lime in solution and depositing it as the temperature of the water gradually lowered in rising up to the earth's surface or in parting with their carbonic acid. Modern Alluvia. — Where regur does not prevail, the ordinary soils are distinguished by a reddish tinge, owing to the great prevalence of oxide of iron in the rocks of which they are, in great measure, the detritus. Patches of white soil occur, and are usually the consequence of the weathering of beds of quartz, or composed of kunker, which abounds so generally, and enters into the composition of almost every variety of soil. These white soils are characterized by sterility. In tracts of country shaded by eternal forests, for instance the Ghats, and sub-ghat belts, a dark vegetable mould prevails, — the result of the suc- cessive decay and reproduction of vegetation for a series of ages, under the stimulating alternations of excessive heat and moisture. In such regions, where unsheltered by forest and in exposed situations, the soil is either lateritic or stony according to the nature of the subjacent rock. At the bases of mountain ridges we usually find an accumulation of large angular blocks, composed of the same rocks as the hills down whose declivities they have rolled in weathering. At a greater distance from the base in the plain, these are succeeded by pebbles, whose reduced size, mineral composition, and worn angles proclaim them to have travelled from the same source, diminishing in bulk the further we recede from the mountains, until they pass, by the gradations of grit 30 GEOLOGY and sand, into deposits of a rich clay or loam. Such are the gradations generally to be traced in the modern rock alluvia, and which strikingly distinguish them from the vegetable soil of the forest tracts and the regur, which are often seen in the state of the greatest richness and fineness of composition at the very bases of the hills and resting immediately on the solid rock. The alluvia brought down by the streams from the Western Ghats flowing easterly to the Kay of Bengal, are usually composed of silt, sand and gravel — detritus of the rocks over which they have passed : they almost always contain a considerable portion of lime derived from the springs which supply them, and from the limestone and kunker beds over which most of them flow. The alluvia of the rivers of the western coast are of a more carbonaceous and less calcareous character, owing to the greater absence of lime in the formation, and the dense forests and luxuriant vegetation which almost choke their passage. During the hot season, when the surface of the alluvial sand in the beds of the rivers and rivulets is perfectly dry, a stream of clear water is frequently found at various depths below them, stealing along or lodging in the depressions of some impervious layer of clay or rock, to which it has sunk through the superincumbent sand. So well is this fact understood by natives, that in arid, sandy tracts, where not a drop of water is to be seen, they will often be enabled to water whole troops of horse and cattle by sinking wells a few feet deep through the sands of apparently dried-up rivulets. The benefit resulting from the admixture of lime into soils consisting almost solely of vegetable, siliceous, or argillaceous matter, is too well known to be dwelt on here ; and it is a remarkable and bountiful pro- vision of nature in a country like Southern India, where limestone is so rarely seen in the rocks from which a great part of its soil is derived, that innumerable calcareous springs should be constantly rising through the bowels of the earth to impregnate its surface Avith this fertilizing ingredient. The alluvia of Southern India are remarkable for their saline nature. The salts by which they are impregnated are chiefly the carbonate and muriate of soda, which prevail so much (particularly in mining districts) as to cause almost perfect sterility. The carbonate appears on the sur- face covering extensive patches, in frost-like efflorescences, or in moist dark-coloured stains, arising from its deliquescence in damp weather or by the morning dews. Where such saline soils are most prevalent there will be usually a substratum of kunker, or nodules of this substance, mixed with the soil ; and there can be little doubt that their origin may MODERN ALLUVIA 31 be referred to the numerous springs rising through the fissures or laminae of the subjacent rocks, some charged, as already noticed, with carbonate of lime, and others with muriate of soda and sulphate of lime. The carbonate of soda, like the natron of Egypt, is the result of a mutual decomposition of the muriate of soda and carbonate of lime. It may be as well to remark that muriate of lime is invariably found in the saline soils of India, which are known to the natives by the term chaulu. The soda soil is used by the dhobis, or washermen, to wash clothes with, and hence is called washermen's earth ; it is also employed by the natives in the manufacture of glass. Both the carbonate and muriate of soda are found mingled in varying proportions, in white efflorescences, in the beds and on the banks of springs and rivulets. Nitrous Soils. — Soils impregnated with nitre are found on and around the sites of old towns, villages, &c. Here a vast quantity of animal matter must gradually have been blended with the calcareous and vege- table soil : from their decomposition the elements of new combinations, by the agency of new affinities, are generated : — nitrogen from the animal, and oxygen, &c., from the vegetable matter. The nitric acid thus produced combines with the vegetable alkali, forming the nitrate of potass, while its excess, if any, combines with the lime, forming a deli- quescent salt, — the nitrate of lime. The affinity lime has to nitrogen and o.xygen materially assists the formation of the acid by their com- bination. The natives of India, in their rude manufactories of salt- petre, act upon these principles without being aware of their rationale. Having collected the earth from old ruins, or from places where animals have been long in the habit of standing, they throw it into a heap mingled with wood ashes, old mortar, chunam, and other village refuse ; and allow it to remain exposed to the sun's rays and to the night dews for one or two years, when it is lixiviated. The salt obtained is not very pure, containing either the muriate and sulphate of soda or potash, or nitrate and muriate of lime. Nitrous soils are easily recognized by the dark moist-looking patches which spread themselves irregularly on the surface of the ground, and by capillary attraction ascend walls of considerable height. They are more observable in the morning before the sun has had power to dissi- pate the dews. Auriferous Alluvia. — The alluvium brought down by the rivers flowing easterly towards the Bay of Bengal is usually silt, sand, or calcareous matter, — detritus, as before observed, of the rocks over which they pass ; while that of the rivers flowing westerly is of a more carbon- aceous character. Most of these alluvia are auriferous, particularly those 32 GEOLOGY of the Malabar and Canara coasts, but grains of gold are also found in considerable abundance in the alluvial soils of Mysore. Betmangala lies on the eastern flank of the principal gold tract, which, according to Lieutenant Warren, who examined this district in 1802, extends in a north-by-east direction from the vicinity of Budikote to near Ramasamudra. The gold is distributed in the form of small fragments and dust throughout the alluvium covering this tract. At Markuppam, a village about 12 miles south-west from Betman- gala, were some old gold mines, worked by Tipu without success. The two excavations at this place demonstrated the great thickness, in some parts, of these auriferous alluvia. They were 30 to 45 feet deep respectively. There can be little doubt that the auriferous black and white stones in these mines were fragments from the gneiss, granite and hornblende schist which base this auriferous tract, and constitute the singular ridge which runs through it in a north and south direction, and which may be regarded as having furnished most of the material.^ of the reddish alluvium on its east and west flanks, and therefore as the true matrix of the gold. The orange-coloured stones were caused by the oxidation of the iron in the mica. This auriferous range on the table-land of Mysore may be traced to the Eastern Ghats, southerly, by the hill fort of Tavuneri, to the south of Kaveripatnam matha in the Amboor valle}'. Two passes, however, break its continuity near Tavuneri. To the north it appears to terminate at Dasarhosahalli ; though the line of elevation, taking a gentle easterly curve, may be traced by the outliers of the Betarayan hills, Amani konda or Avani, Mulbagal, Kurudu male, Rajigundi to Ramasamudra in the Cuddapah collectorate, a little west of Punganur. Dimes. — Sand dunes are not confined to the coasts, but are seen on the banks of the larger rivers in the interior, as at Talkad on the Kave'ri. During the dry season, the beds of these rivers, deriving but a scanty supply of water from perennial springs, usually present large arid wastes of sand. These are acted upon by the prevailing westerly winds, which blow strongest during the months of June, July, and August, and raise the sand into drifts, which usually advance upon the cultivation in an easterly direction. The advance of these moving hills is usually very regular where no obstruction presents itself, such as high bushes, trees, hedges,