INDEX 



451 



Castor canadensis, 241. 



Castoridse, 17. 



Cat family, 248. 



Caterpillar, parasitized (illus.), 342. 



Catfishes, 172. 



Cathartes aura, 226. 



Cave blindfish (illus.), 173. 



Ceanothus moth, cocoon of (illus.), 

 306. 



Cebns, 250. 



Cells, 9 ; different types of (illus.), 

 11. 



Centiped (illus., 128), 127 (illus.), 

 296. 



Cephalopods, 89 (illus., 105), 104. 



Ceratiidce, 364. 



Cercopithecu* (illus., 251), 250, 400. 



Cerura (illus. ), 363. 



Cervidce, 245. 



Ceryle alcyon, 228. 



Cestodes, 65. 



Cete, 242. 



Chcetura pelagica, 230. 



Cheiroptera, 242. 



Chelonia, 196. 



Chipmunks of California (illus.), 20. 



Chiton (illus.), 99. 



Chologaster avitus (illus.), 73. 



Chordata, 19, 161. 



Chordeiiesvirginianus (illus.), 229. 



Cilia, 27. 



Circus hudsoniuK, 226. 



Cladoselache fyleri (illus.), 426. 



Clams, 89 ; fresh- water (illus.), 91 ; 

 rock- and wood-boring, 92 ; life his- 

 tory of, 97. 



Classification, principles of, 13 ; nat- 

 ural, 14 



Clepsine, 82. 



Climate, 395. 



Cliona, 336. 



Coccidfe, 321, 846. 



Coccosteus decipiens (illus.), 425. 



Coccyges, 227. 



Cockroach (illus.), 132; egg-oase of 

 (illus.), 305. 



Colaptes auratus, 228. 



Coleoptera, 140. 



Colinuit virginianus, 225. 



Color; its utility and beauty, 369. 

 Columba livia, 225, 288. 

 Columbse, 225. 

 Commensalism, 335. 

 Common lizard (illus.), 193. 

 Communal life, 332 ; advantages of, 



333. 



Oonurus carolinensis, 228. 

 Coots, 222. 



Coral colonies (illus.), 56. 

 Coral island (illus.), 57. 

 Corals, 55. 

 Cormorants, 220. 

 Corynolophus reinhardti, 291, 364 



(illus.). 

 Corvida, 231. 

 Courtship, 395. 

 Crabs, 119; metamorphosis of the 



(illus.), 272. 

 Cranes, 222. 

 Crayfish, 116 (illus.), 117; dissection 



of (illus.}, 124: antenna of (illus.), 



380. 



Cricket, 133; showing auditory or- 

 gan (illus.), 381. 

 Crinoids (illus.), 158, 447. 

 Crocodiles, 198. 



Crossopterygian fish (illus.), 426. 

 Crotalis adamanteus (illus.), 202. 

 Crustaceans, 109, 110; larvae of 



(illus.), 346. 

 Cuckoos, 227. 

 Cucumaria (illus.), 156. 

 Culex (illus.), 269. 

 Cyanocitta cristata (illus.), 303. 

 Cyclops (illus., 112), 111. 

 Cyclostomes, 167. 

 Cynocephalus maimon, 250. 

 Cypselurus (illus.), 297. 



Daddy-long-legs, 145. 



Danaidse, 365. 



DapJinia, 111. 



Death, 278. 



Deep sea-angler (illus.), 291. 



Deep-sea fauna, 446 ; fishes, 447. 



Degeneration through quiescence, 

 343; through other causes, 348 j 

 immediate causes of, 349. 



