INDEX. 



477 



Cambro-Silurian of Sedgwick, 363, 381, 

 423. 



Canada geological survey, reports of, 

 420. 



Cape Ann, Mass., granite veins of, 200. 



Cape Breton, water of, 121. 



Caradoc rocks, 353, 359 - 362, 384. 



Carbon, its primitive condition, 23, 42, 

 302; anthracitic of Madoc, 217. 



Carbonates. See Carbonate of lime, 

 Carbonate of magnesia, Carbonate 

 of soda, and Carbonic acid. 



Carbonate of lime, its origin, 2, 23, 

 , 41, 47, 81, 83, 86, 88, 90, 109; ^solu- 

 bility and supersaturated solutions 

 of, 139; bicarbonate, its action on 

 sea-water, 82, 85, 90, 109, 308 ; hy- 

 drous carbonate of, 140. 



Carbonate of lime and magnesia. 

 Dolomite. 



Carbonate of magnesia, its origin, 23, 

 82, 85, 88, 90, 109, 110; action of, on 

 lime-sails, 87, 90, 139; its solubility 

 and supersaturated solutions of, 140, 

 148; bicarbonate of, its solubility, 91, 

 109, 148; hydrous carbonate of, pres- 

 ent in some dolomites, 107; sesqui- 

 carbonate of, 138. 



Carbonate of soda, its origin, 12, 21, 

 85, 102; amount of, in waters, 85, 

 124-126; neutral carbonate of, 148; 

 action of, on sea-waters, 2, 11, 12, 41, 

 85, 88, 90, 105, 139, 148, 307. 



Carbonic acid, its action on silicates, 

 2, 10, 102, 150; amount of, in early 

 atmosphere, 41, 47, 308; deoxida- 

 tion of, 23, 42, 302 ; deficiency of, in 

 certain waters, 149; relations of, to 

 life and climate, 42, 46-48; to the 

 formation of gypsum, 42, 308; sub- 

 terranean sources of, 8, 15, 112. 



Carboniferous rocks, 228; of North 

 America, 49, 50. 



Carbon-spars, their constitution, 441, 

 446. 



Carlsbad, waters of, 85. 



Carnallite, 105, 107, 118. 



Cassiterite, 191, 192, 195, 200, 205; 

 pseudomorphs of, 289, 290. 



Catalysis, 452. 



Celestial chemistry, 35, 37. 



Chabazite, 442 ; action of saline waters 

 on, 96. 



Chacornac on the nebular hypothesis, 

 38. 



Chambly, waters of, 125, 149, 152. 



Champlain division, 252, 258, 264, 266. 



Chamonix, Jurassic rocks of, 338; 

 synclinal of, 343. 



Chatham, Ontario, water of, 145. 



Chazy formation, 156, 414, 415 ; absent 

 in Herkimer Co., New York, 413; 

 relations of, to Calciferous and Tren- 

 ton, 412; mineral waters from, 124, 

 156, 157. 



Chemical change defined, 428, 450, 

 454, 465; elements, 37, 428; activi- 

 ties in former ages, 27, 42, 306; dis- 

 sociation, 36. 

 See Chemistry defined, 454. 



Cheshire rock-salt, 120. 



Chiastolite rocks. See Andalusite. 



Chicago, oil-bearing limestone of, 172. 



Chloride of calcium in waters, 122, 158; 

 in primeval ocean, 11, 117, 122, 137. 



Chloride of magnesium, 117, 122, 137. 



Chloride of sodium, its origin, 2, 11, 41. 



Chlorine in silicates, 144, 242. 



Chlorine and hydrogen, union of, 430. 



Chlorite, its probable origin, 296. 



Chloritic rocks, 32, 243, 247, 249, 269, 

 270, 330, 331, 408 : supposed pseudo- 

 morphic origin of, 316, 320, 326. 



Chloritoid rocks, 32. 



Chromium, its occurrence, 31, 32, 34, 

 238, 243, 249, 269, 270, 272, 297, 330. 



Chrysolite and serpentine, 291, 315. 



Chrysoberyl, 195, 214. 



Circulation, terrestrial, 22, 225, 235. 



Classification of the sciences, 35, 453. 



Clays, origin of, 2, 10, 13, 20, 22, 41, 

 101, 228; precipitated by saline wa- 

 ters, 10. 



Climate, primeval, 42, 46 - 48 ; paloso- 

 zoic of North America, 76, 92, 310. 



Cloez on nitrification, 465, 471. 



Coal, its origin, 180, 182, 229; its rela- 

 tion to iron-ores, 229. 



Collingwood, Ontario, pyroschlsts of, 

 178. 



Colloidal bodies, solution of, 223. 



Condensed types in chemistry, 468. 



