IMAGE EVALUATION TEST TARGET (MT-S) A {./ ^c ..•f^^ 1.0 I.I 1.25 l^|Z8 m ■^ UL IM ^ m ^ 1^ ■ 2.0 •^ u m 1.4 Jj6 — 6" V] / :'^^/ %^^^ ^^^ Photographic Sciences 23 WEST MAIN STREET WEBSTER, N.Y. 14580 (716) 872-4503 ^^ 4. ^ >. ''^r^ ^J^^ ^ ^^^ ^ CIHM/ICMH Microfiche Series. CIHM/ICMH Collection de microfiches. Canadian Institute for Historical Microreproductions / Institut Canadian de microreproductions historiques Tachnical and Bibliographic Notas/Notas tachniquas at btbliographiques Tha Instituta has attamptad to obtain tha bast original copy availabia for filming. Faaturos of thia copy which may ba bibliographically uniqua, which may altar any of tha imagaa in tha raproduction, or which may significantly changa tha usual mathod of filming, ara chacltad balow. □ Coloured covars/ Couvartura da coulaur □ Covars damagad/ Couvartura andommagia □ Covers restored and/or laminated/ Ccuverture restaurie at/ou peiliculAa r~l Cover title missing/ I I Cartes giographiquas en couleur I I Encre da couleur (i.e. autre que bleue ou noire) D D D D Le titre de couvertura manque Coloured maps/ Coloured ink (i.e. other than blue or black)/ Encre de couleur (i.e. autre que bleufl Coloured plates and/or illustrations/ Planches et/ou illustrations an couleur Bound with other material/ ReliA avec d'autras documents Tight binding may cause shadows or distortion along interior margin/ La re I'^ure serree peut causer de I'ombre ou de la distorsion le long da la marge int^rieure Blank leaves added during restoration may appear within the text. Whenever possible, these have been omitted from filming/ II se peut que certainaa pagea blanches ajouties lors d'une restauration apparaissent dans le texte, mais, lorsque cela itait possible, ces pages n'ont pas 6t6 filmias. L'Institut a microfilm^ le meilleur axemplaire qu'il lui a iti possible de se procurer. Las details de cet exempiaira qui 7-jnt peut-dtre uniques du point de vue bibliographique. qui peuvent modifier une image reproduite. ou qui peuvent exiger una modification dans la mithode normale de filmage sont indiquAs ci-dessous. I — I Coloured pages/ D D Pages de couleur Pages damaged/ Pages endommagtes Pages restored and/oi Pages restauries et/ou pelliculies r—y Pages damaged/ r~~| Pages restored and/or laminated/ Pages discoloured, stained or foxed/ Pages d^colories. tacheties ou piqu^es □Pages detached/ Pages ditach^as QShowthrough/ Transparence □ Quality of print varies/ Qualiti inigala de {'impression □ Includes supplementary material/ Comprend du material supplimantaire Only edition available/ Seule Mition disponible Pages wholly or partially obscured by errata slips, tissues, etc.. have been refilmed to ensure the best possible image/ Lea pages totalement ou partiellement obscurcies par un feuillet d'errata, une pelure. etc.. ont ixi filmies i nouveau de facon d obtenir la meilleure image possible. Additional comments:/ Commentaires suppldmentaires: [Printed ephemera] 1 sheet (verso blank) This item is filmed at the reductior ratio checked below/ Ce document est filmi au taux de rMuction indiqui ci-dessous. 10X 14X 18X 22X 26X 30X y 12X 16X 20X 24X 28X 32X Th« copy filmed hara hat baan raproducad thanks to tha ganarosity of: Medical Library McGill University Montreal Tha imagetf appaaring hara arm tha baat quality posaibia conaldaring tha condition and lagibliity of tha original copy and in kaaping with tha filming contract spacificationa. Original copiaa in printad papar eovars ara filmsd beginning with tha front covar and anding on tha last paga with a printad or illuatratad impraa- sion. or tha back covar whan approprfata. All othar orig:nal copiaa tan filmad beginning on tha first paga with a printad or illuatratad impraa- sion. and anding en tha laat paga with a printad or illustrated impraaaion. L'axemplaira flimi fut reproduit yrftce i la gAnAroslti de: Medical Library McGill University Montreal Laa images suivantaa ont M raproduites avac lo plua grand soin, compta tenu de la condition at da la nattet* da I'axempiaira fiimA. at an conformity avac laa conditiona du contrat da fllmaga. Laa axemplairea originaux dont la couvartcre an papier eat imprimte sont filmte an commenpant par le premier plat at an tarminant soit par la demiire paga qui comporta une ampreinte d'Impreesion ou d'illustration. soit par le second plat, selon le cas. Tous lea autrea examplaires originaux sont filmto an commandant par la premiAre page qui comporte une ampreinte d'impreaaion ou d'llluatration at an tarminant par la darnlAre page qui comporte une telle emprejnte. The laat recorded frame on each microfiche shall contain the symbol —» (meaning "CON- TINUEO"), or the symbol V (meaning "END"), whichever appliea. Un dee symboiea suivants apparaitra sur la damlAre image de cheque microfiche, selon le caa: le symbole — *- signifie "A SUIVRE", le symbole V signifie "FIN". Mapa, piatea. charts, etc.. may bs filmed at different reduction ratios. Thoae too large to be entirely included in one axpoaure are filmed beginning in the upper left hand comer, left to right and top to bottom, aa many framea aa required. The following diagrama illustrate the method: Lee cartea. planchea, tableaux, etc., pauvent dtra filmte A dee taux de rMuction diffirants. Loraque la document est trop grand pour dtre reproduit en un saul ciichA. il est film* i partir da I'angle sup4^rieur gauche, de gauche d droite. et da haut an baa. en prenant le nombre d'imagea nteassaira. Laa diagrammes suivants illuatrant la m^thoda. 1 2 3 1 2 3 4 5 6 CHEMISTRY. Saturday, March 18th :— Morning, 11.30 to 1. Examiner^ Professor R. Craik, M.D- 1. Describe Boyle's orMariotte's law of gases, and explain the principles involved in the construction and in the variations of tlie ordinary mercu' rial barometer. 2. Describe the laws of (1> Definite Proportions, (2) Multiple Proportions, and (3) Equivalent Proportions, giving examples to illustrate each of them. 3. Describe the nature and origin of the principal foreign substances found in rain water, spring water and river water, and explain the natural process of purification which x'iver water undergoes and how far it may thus be rendered safe for domestic purposes. ^ 4. Describe the modes of production, the uses and the physical and chemical properties of (1) Sulphur Dioxide and (2) Sulphuretted Hydrogen. 5. What are the principal tests for (1) Sulphuric Acid (2) Hydrochloric Acid and (3) Hydrocyanic Acid ? 6. Write a formula for one of each of the following substances, (1) a saturated hydrocarbon, (2) a monatomic and a triatomic alcohol, (3) a haloid ether, (4) an ethereal salt, and (5) a primary monamine.