596 



•INDEX 



Cloaca — 



of Monotremata, 460. 



of pigeon, 411. 



wantingin adult r-abbit,4K),' 446. 

 Clypeus, 273. 

 Cnemial crest, 437. 

 Cnidoblasts, 163. 

 Cnidocil, 163, 164. 

 Coccyx, 471. 

 Cockroach, 272. 



abdomen of, 275. 



alimentary 1 system 0^277. 



anatomy of, 272. 



blood vessels of, 277. 



'head of, 272. 



■ nervous system' of, 279. 



reproductive organs 6f,'-28o. 



respiratory organs of,Z2FJ. 



sense organs of, 280. 



thorax of,.272,'274. 

 Cod, 381, 574. 

 Ccelenterata, .188, 5T4. 

 Ccelom, 230. See -also Peri- 

 visceral cavity, ccelomic. 



of Amphioxus, 329, 334, 337. 



of arthropods, r 5 1 5. 



of crayfish, -349, : '2-59. 



of dogfish, 342,^50. 



of earthworm,- 2J7, 230. 



of frog, 26, 52, 230. 



of rabbit, 421, 444. 



of swan mussel, 317. 



origin "of, tin .development of 

 Amphioxus, 4S4. 

 of bird, 507. 

 of frog, 491. 

 Ccelomic epithelium, of earth- 

 worm, 219, 22 1. 



of frog, 91. 



of swan mussel, 321. 



See also Peritoneum. 

 Ccenocyte, 83, 119. 

 Ccenosarc, 174. 

 Coznurus cerebralis, 212. 

 Coition, 10. 

 Cold-blooded animals, 60, 374. 



vertebrates, 374. 

 Coleoptera, 286,515. 

 Colon of cockroach, 277. 



of rabbit, 1444. 

 Columba, 396, 5 19. 



Columella auris, 33. 

 Columnse carneae, '54- 

 Commensalism, 539. 

 Commissures, cerebral and cere- 

 bro-pedal, ; of mussel, 322. 



circumoesophageal, of cock- 

 roach, 279. 

 of crayfish, 259. 



circumpharyngeal, of earth- 

 worm, 222. 

 of leech, 238. 



visceral, of mussel, 323. 

 Conductivity, 5, i7> 102. 



in Amoeba, 116. 



in leucocytes, 101. 



in nervous tissue, 20,-76, 102. 



in plants, 530. 

 Cone, oral, 162, 174, 177. 

 Cones of retina, 89,' 90. 

 Conjugants, 135, 141, 1-95. 

 Conjugation, 9,-16, 182,189, 190, 



'192, 193. 

 Consciousness, 78. 

 Continuity of life, 549. 

 Contraction, 4, 17, 20, 40, 95, 



103, 112. 

 Coprodaeum, 411. 

 Coracoid. See Girdle, pectoral. 

 Cord. See Spinal cord, Nerve 



cord. 

 Cornea, 80. 



of crayfish, 261. 



of frog, 80. 

 Corpuscles, blood, 99, •■ 104. See 

 also Blood. 



connective tissue, 97. 

 Coverts, 399. 

 Coxopodite, 241, 244. 

 Crab, hermit, 538, 539. 

 Crab-louse, 289. 

 Crabs, 267. 

 Crayfish, 239, 240, 242, 243, 254. 



abdomen of, 240. 



alimentary system of, 249. 



blood vessels of, 253. 



cuticle of, 248. 



epidermis of, 248. 



excretory organs of, 259. 



female, 154. 



habits and external features of, 

 239- 



