INDEX 



339 



Cambarus affinis, 193. 



Cambarus pellucidus lestii, 219. 



Cambarus virilis, 193-224. 



Canal system, of sponge, 151*. 



Capillary, 171, 175, 203. 



Carapace, 195. 



Carbohydrate,' 22, 170. 



Carbon, in protoplasm, 21. 



Carbon dioxide, 50. 



Carcinus manas, 299. 



Cardiac stomach, 195*, 200, 201. 



Cattle of Paraguay, 281. 



Cell, 26-33, 2 7* 5 definition, 35 ; divi- 

 sion, 29-33*, 3*5 form, 29; mor- 

 phology, 26-29 ; number, 29 ; origin, 

 33. 34*J physiology, 26-29; size, 29; 

 unit, 12, 26; wall, 28, 35. 



Cell theory, 34-36. 



Cellulose, 93. 



Cement glands, 213. 



Centipede, 6, 225, 226*, 227. 



Central nervous system : Crayfish, 195*, 

 205; Earthworm, 177-178; Honeybee, 

 241*, 244-245. 



Centrosome, 27*, 28, 30, 31, 104. 



Centrosphere, 27*, 28, 30. 



Cephalothorax, 194, 195. 



Ceratina dupla, 264. 



Cervical groove, 195. 



Cestoda, 158. 



Chaetopoda, 190. 



Chela, 195*, 198. 



Cheliped, 195*, 196, 198. 



Chemical composition of living organisms, 

 11-12. 



Chemotropism, 53: Ameba, 55*; Cray- 

 fish, 222-223; Earthworm, 187-188; 

 Hydra, 132; Paramecium, 75*, 78. 



Chilopoda, 227. 



Chitin, 194, 234. 



Chlamydomonas, 92*, 93, 94, 96. 



Chlorogogen cells, 166*, 169. 



Chlorophyll, 17, 1 8, 84, 85, 88, 93, 94, 97. 



Chloroplast, 28. 



Choanocyte, 146*, 147, 152. 



Chorda, 6. 



Chordata, 5. 



Chorion, 251. 



Chromatin, 27*, 30, 31, 32 ; continuity of, 

 33- 



Chromatophore, 81, 83*, 84, 85, 93. 



Chromosome, 30*, 69, 103, 104, 105, 106 ; 



bearer of hereditary qualities, 32; in 

 germ plasm theory, 288; in Hydra, 

 134, 136; number in animals, 32; re- 

 duction in number, 103*, 104*, 105*, 

 107 ; union in fertilization, 105*, 107. 



Chromotropism, 54, 56. 



Chrysalis, 254. 



Chyle, 253- 



Chyme, 240. 



Cilia, 28, 154, 155; Paramecium, 61-62, 

 64,65,66,76*, 77,80,81. 



Ciliate, 82. 



Circulation, 46, 49, in : Crayfish, 203- 

 204; Earthworm, 171, 174-175; Honey- 

 bee, 242-243. 



Circumoesophageal connective, 205. 



Circumpharyngeal connective, 177. 



Cirrus, 156. 



Clam, 6. 



Class, 3. 



Classification, 3-7; Honeybee, 260-261. 



Claw, 237*. 



Cleavage, 107-110, 109*; discoidal, 108*; 

 equal, 108*; partial, 108; superficial, 

 108*; total, 108*; unequal, 108*. 



Cleavage cavity, no. 



Clitellum, 165, 182, 183. 



Cloaca, 145, 151*. 



Clypeus, 235*. 



Cnidoblast, 120, 121*, 123, 124. 



Cnidocil, 120, 121*, 123. 



Coagulation, 22, 202. 



Cocoon: Earthworm, 183*; Honeybee, 

 253; Planaria, 156. 



Coelenterata, 5, 7, 116, 119, 139-143, 158, 

 228, 229. 



Ccelenteron, 109*, 139. 



Coelom, 4, 5, 6, in, 138, 158, 159: 

 Ascaris, 160, 162, 163; Crayfish, 200; 

 Earthworm, 166*, 168, 186; Honey- 

 bee, 239; Leech, 190; Planaria, 158. 



Coelomata, 5, 7, in. 



Coelomic fluid, 171. 



Cohn, 35. 



Colon, 240. 



Collar cells, 146*, 147, 148. 



Colloid, 22. 



Comb jelly, 5. 



Commensalism, 297. 



Community life of bees, 266. 



Comparative anatomy, history of, 270- 

 271. 



