Cadaverine, 152. Caffeine, =160=. Calcifuges, 9. Calciphiles, 9. Calcium, 3, 5, =9=, 10, 14, 68. Calcium oxalate, 126. Campferitrin, 118. Campferol, 118. Camphene, 147. Camphor, 148. Cane sugar (_see_ sucrose). Caoutchouc, =147=. Capillary segregation, 235. Carbohydrases, 189. Carbohydrates, 18, 20, =21=, =30=, 163, 234. Carbon dioxide, 2, 3, 18, =21=, 22, 23, 24, 40, 222. Carbonic acid, 227. Carbon monoxide, 24. Carboxyl, 124. Carboxylases, 186, 190. Carnauba wax, 133, 140. Carotin, =112=, 113, 121. Carotinoids, 102, =111=. Carvacrol, =148=. Casein, 165. Castanin, 176. Castor oil, 130. Catalases, 190, 193. Catalysis, 182. Catalysts, 17, 25, 183. Catechol tannins, 97. Catechin, =97=. Catechu tannins, =97=. Cellobiose, 52. Cell structure, 221. Cellulase, =71=, 186, 189. Celluloid, 73. Cellulose, 20, 45, 63, 67, =72=. Cell-wall, 9, 12, 222. Cerebrosides, 141, =144=. Chemical resistance, 216. Cherry gum, 68. Chinovose, 35. Chlorine, =12=. Chlorophyll, 10, 11, 21, 27, =102=, 105, 110, 111, 113, 122, 254. Chlorophyll _a_, 103, 106, 107, =111=. Chlorophyll _b_, 103, 106, 108, =111=. Chlorophyllase, 104. Chlorophyllin _a_, 106, 107. Chlorophyllin _b_, 106, 107. Cholesterol, 129, =136=. Choline, 89, 103, 141, 142, =152=. Chromatic adaptations, 251, =253=. Chromogens, 92, 119. Chromo-proteins, 175. Chrysin, 117. Cinchonine, 155, =157=. Coagulated proteins, 175. Coagulation enzymes, 190. Cocaine, 155, =157=. Cocoanut oil, 133. Codeine, 155, =158=. Coenzymes, =197=. "Cold-drawn oils," 137. Collodion, 73. Colloidal phenomena, 17, =202=. Colloidal solutions, 204. Colloids, 202. Colophene, 147. Colophony, 149. Compound celluloses, 71, =73=. Conglutin, 176. Coniferin, =80=. Coniine, 155, =156=. Conjugated proteins, 165, 174, =175=. Continuous phase, 203. Convolvulin, =81=. Copper, 13, 247. Cork tissue, 99, 101. Corn oil, 130. Corylin, 176. Cottonseed oil, 130. Critical elements, 4. "Crude fat," 141. Crystalline chlorophyll, 104, 105. Crystalloids, 202. Cumarin, 81, 148. Curarine, 157. Cuto-celluloses, =74=. Cyanidin, 85, 116. Cyanin, =85=. Cyanophore glucosides, 86. Cyanophyllin, 107, 108. Cyanoporphyrin, 108. Cymarigenin, 90. Cymarin, =90=. Cymarose, 90. Cystine, 168, 171. Cytase, 72, 189. Cytosine, 161, 162.