314 



Chloro-camphor-sulphonic acids .213. 

 Cloroform (as solvent) . . 228, 259. 

 Chloro-iodo-methane-sulphonic acid 



(ammonium-salt of) 237. 



/-Chloro-methyl-menthyl-ether . . 282. 



Chlorophyll 288. 



Chloro-succinic acid .... 273, 274. 

 Chloro-tartrates (of complex salts) 



243. 



/3-Cholestanol . . . 216. 



Cholestenon 259. 



Chromi-salts (complex) 214, 225, 227. 

 Chromi-trioxalates (complex) 214, 225, 



227. 



Chrysoberyll 172, 173. 



Church (A. H.) 156, 160, 161, 162, 163, 



164, 165. 



Chwolles (A.) , 280: 



Cinchonicine 212, 213. 



Cinchonicine-tartrates 213. 



Cinchonine 212, 213, 255. 



Cinnabar 181, 189. 



Cinnamic acid 255, 291. 



Circaea alpina 46. 



Circaea lutetiana 59. 



Circogonia icosaedra 45. 



Circoporus octahedrus ...... 45. 



Circoporus octahedrus 45. 



Citraconates (reduction of) . . .291. 

 Class (crystal-) 30, 72, 80, 81, 84, 97. 

 Closed system (of rotations) . 33, 51. 



Clough (G. W.) 274. 



Cobalti-salts (complex) . . 107, 205. 



Cocaine 218. 



Cocosite 252. 



Coefficients (rotatory) 97. 



Cohen (J. B.) 291, 292. 



Cohen (N. H.) 259. 



Cohesion-phenomena 97. 



Coincidence (self-) 4, 7, 8, 9, 12, 13, 17, 



30, 44. 



Combination (of rotations) . 19, 20. 

 Combination (of symmetry-elements) 



11, 20, 30, 31, 32, 41, 42, 49, 50, 



51, 63, 65, 66, 102, 103, 116, 124, 



125, 127, 128. 



Combined reflections 25, 26, 27, 28, 



29, 30. 



Common symmetry-elements 121, 122. 

 Compensation (internal) 245, 246, 249. 



Completion-twins 170. 



Complex salts (of chrome) .... 239. 



Complex salts (of cobalt) 107, 205, 239, 



241, 242, 243. 



Complex salts (of iron) . . 107, 239. 



Complex salts (of nickel) . 107, 239. 



Complex salts (of rhodium) 209, 210, 



214, 239, 241, 242, 243. 



Component causes 102. 



Composition-plane ....... 169. 



Compound crystals 170. 



Conchifers 155. 



Condelli (S.) 286. 



Condensation-processes. 212. 



Conditions of resolvability . 244, 249. 



Cone 10. 



Configuration (non-superposable) 46, 47, 



79, 80, 228, 234, 241, 242, 244, 257, 



265, 268, 276. 

 Configuration (of molecules) 149 154, 



228, 229, 242, 246256, 260269, 



276. 



Congruency (of figures) 7, 8, 9, 16, 18, 



20, 30. 



Coniine 213, 284. 



Conrad (H. E.) 250. 



Constancy (of natural synthesis) . 285. 



Constant forms 85. 



Constants (velocity-) 280. 



Construction (Church's) . . . .163. 

 Construction (Euler's) . . . 28, 124. 



Continuous medium 142. 



Contrast (chemical) 259, 260, 261, 262, 



268. 



Cooper (H. C.) 281. 



Co-operation (of physical causes) 93, 102, 



103, 104, 105, 106. 



Co-ordinate-axes . 76, 78, 80, 81, 91. 



Co-ordination 154, 260269. 



Copper 138, 140. 



Copper-sulphate 55, 56. 



Covalla 54. 



Corals 3, 54. 



Corrosion-figures . . . 258, 259, 260. 

 Corydalis sempervirens .... 46, 72. 

 Cotton (A.) 303. 



