522 



INDEX 



Cholacpus didactylus, 370. 



Chondracanthus, 155. 



Chorda dorsalis, 259 ; of Amphioxus, 268. 



Chordata, 259. 



Chorion, 309. 



Chromatophore, of Diuobiyon, 40. 



Chromatophores, of Cephalopoda, 251. 



Chrysalis, 213. 



Chrysetnys picta, 324. 



Cicada, 208, 209. 



Cilia, definition of, 44. 



Ciliata, 44. 



Ciliated shrew, 393. 



Cinnamon bear, 398. 



Circumcision, 476. 



Cirri, of Amphioxus, 268. 



Cirripediar 156. 



Civet cats, 402. 



Clam, 248. 



Claspers, of Elasmobranchii, 276; of Holo- 



cephali, 281. 

 Class, 9. 



Classification, definition of, 513. 

 Clathrulina elegans, 29. 

 Clavatella, 64. 



( lavellina lepadiformis, 264. 

 Clavicle, of fowl, 331; of Mammalia, 358, 



359- 

 ( 'limacostomum virens, 48. 

 Climbing perch, 295. 

 Clitellum, 140. 

 Clitoris, of turtles, 322. 

 Cloaca, of Amphibia, 302; of birds, 335; 



of dogfish, 277; of frog, 301; of Holo- 



thuroidea, 102; of Mammalia, 360; of 



Monotremata, 362; of Reptilia, 308; 



of Selachii, 278. 

 Cloacal opening, of Crocodilia, 325 ; of 



Squamata, 312; of turtles, 322. 

 Clothes moth, 213. 

 Cloven hoof, 380. 

 Cnidaria, 60, 447, 451. 

 Cnidoblast, 62. 

 Cnidocil, 62. 

 Coatis, 398. 

 Cobra-da-capella, 318. 

 Coccidiida, 35. 

 Coccus cacti, 206. 

 Cochineal insect, 206. 

 Cockatoos, 348, 454. 

 Cockchafer, 192. 

 Cockles, 248. 

 Cock-of-the-rock, 554. 

 Cockroach, 202, 203, 204, 227; dissected, 



195 ; mouth parts of, 193. 

 Cocoon, of leech, 145 ; of Lepidoptera, 213. 

 Codfish, 293. 

 Codosigna cytnosa, 42. 

 Coelenterata, 53. 



Ccelom, definition of, 52 ; of Amphioxus, 



269. 

 Ccenosarc, 63 ; definition of, 62. 

 Cohog, 249. 

 Cold-blooded animals, 308 ; definition of, 



274. 

 Coleoptera, 218, 226, 227, 424. 

 Collar bone, of Mammalia, 358. 

 Colleterial glands, 195. 

 Collozoum inerme, 32. 

 Coloborhombus fasciatipennis, 465, 466. 

 Colon, of cockroach, 195. 

 Colorado beetle, 220, 221. 

 Colugo, 393. 

 Columba hvia, 330, 352 ; dissection of, 333 ; 



pterylosis, 328 ; varieties of, 461. 

 ColumbEE, 351. 



Commensalism, 58; definition of, 172. 

 Commissures, in Mollusca, 229. 

 Complete metamorphosis, in insects, 196. 

 Compound Tunicata, 266. 

 Condensation of experience, 489. 

 Condor, 345. 

 Conger eels, 289. 

 Congo eel, 303. 

 Conies, of America, 392. 

 Conjugation, in Ciliata, 45, 48; in Rhizop- 



oda, 23. 

 Connectives, in Mollusca, 229. 

 Consciousness, effective, 485, 486; in in- 

 stinctive behavior, 484 ; in reflex actions, 

 " 481; of protoplasm, 4S0; of Protozoa, 



481 ; of sea anemones, 481. 

 Continental fauna, 448. 

 Continental shelf, 444. 

 Continuity of germ-plasm, 477. 

 Contour feathers, 327. 

 Contour hairs, 356. 

 Contractile vacuole, 21. 

 Conns, 237. 

 Conus arteriosus, of dogfish, 277 ; of frog, 



301. 

 Convoiuta, 106. 

 Cony. 386. 

 Cook, 500. 



Coordinated actions, 481 ct seq. 

 Cope, 510. 

 Copepoda, 153. 

 Copperhead, 319. 

 Coprodaeum, of pigeon, 333. 

 Copulatory organs, of Elasmobranchii, 276; 



of Reptilia, 310; of Squamata, 312. 

 Coracoid, of fowl, 331. 

 Coracoid process, of gorilla, 359. 

 'Hum > ubrum, 77. 



F 77, 45O. 



Cormorants, 342. 



Corpus adiposum, of frog, 301. 



Corrodentia, 226, 227. 





