708 



INDEX 



Centrum, 402, 404, 495. 



Cephalochorda, 386, 393-400; circulatory 

 system, 398; coelom, 399; digestive 

 system, 396, 397; excretory system, 

 399 ; external features, 394, 395 ; re- 

 production, 399 ; respiration, 397, 398. 



Cephalodiscida, 386, 387 ; Cephalodiscus, 



387, 389- 



Cephalopoda, 242, 243, 264-269. 

 Cephalothorax, 277, 278, 371, 378. 

 Cerambycid(B, 362. 

 Ceratina, 366. 

 . Ceratium, 47. 



CeratodontidcB, 445, 471. 



Ceratosaurus, 572, 573. 



Cercaria, 159, 160. 



Cercopithecidce, 662, 664, 696. 



Cere, 576. 



Cerebellum, 501, 502, 639, 640. 



Cerebral hemispheres, 501, 502, 639, 640 ; 



vesicle, 397, 399- 

 Cerebratulus, 177, 178. 

 Cerianthidea, 142; Cerianthus, 142. 

 Certhiida, 593. 



Cervida, 667, 669; Cervus, 644, 669. 

 Ceryle, 6ll. 

 Cestoda, 150, 163-166. 

 Cestus, 147. 

 Cetacea, 633, 645. 

 Chatoderma, 252. 

 Chatognatha, 180, 181. 

 Chatopoda, 215, 232, 233-236. 

 Chatura, 613. 

 ChalcididcE, 365. 

 Cham&idcz, 591. 

 Chanuzleon, 537, 550, 551; Chamcdeon- 



tidcB, 537, 550. 



Chameleons, 527, 536, 537, SSo-SSi- 

 Chamois, 669, 671. 

 Charadriidcz, 590, 607; Charadriiformes, 



590, 607. 

 Charybdea, 133. 

 Cheetah, 656. 

 Cheiropterygium, 446. 

 Chelicerae, 372, 373, 378. 

 Cheliped, 278, 280. 

 Chelonia, 527, 534, 543, 544; Chelonidce, 



535 5 Cheloniidaz, 535 ; Cheloniidea, 



535, 543- 



Chclydida, 536, 545. 

 Chelydra, 530, 535, 540, 541 ; Chelydridcz, 



534, 540. 



Chemotropism, 36; in Anteba, 37; cray- 

 fish, 291 ; earthworm, 228. 



Chernetidia, 382. 



Chevrotain, 667, 671. 



Chiggers, 380. 



Chilomonas, 45. 



Chilopoda, 310-311. 



Chimcera, 431 ; Chimarida, 431. 



Chimpanzee, 665, 666. 



Chipmunk, 658, 659. 



Chiromyida, 662. 



Chironcctes, 648. 



Chironomida, 357. 



Chiroptera, 642, 650-651. 



Chi tin, 3. 



Chiton, 252; Chitones, 251, 252. 



Chlamydosaurus, 553. 



Chlorogogen cells, 216, 219. 



Choanocytes, 94. 



Choanoflagellata, 47. 



Chondrostei, 443, 452-454, 474, 695. 



Chondrotus, 511. 



Chordata, 24, 25, 386-413, 691. 



Chorion, 682. 



Choroid, 412. 



Chorophilus, 512, 519, 520. 



Chromatin, 13, 16-17. 



Chromatophores, 42, 43, 448, 522. 



Chromosomes, 15, 16; in fertilization, 

 83, 85 ; oogenesis, 82, 83 ; reduction 

 of, 85 ; spermatogenesis, 81, 82. . 



Chromotropjsm, 36. 



Chrysalis, 324. 



Chrysemys, 535, 54i, 542. 



Chrysochloridce, 650. 



Chrysomdida, 362. 



Chrysopa, 349, 



Chrysothrix, 664. 



Chyle, 323. 



Chyme, 319. 



Cicada, 346, 347, 348; Cicadida, 347. 



Cicindelidtt, 360. 



Ciconiiformes , 590, 601. 



Cidaris, 190. 



Cilia, 53, 54, 134, 151, 178, 182. 



Ciliary muscles, 412, 413. 



Ciliata, 62, 63, 64. 



Cindidce, 591. 



Cinclides, 135, 136. 



Ciona, 391. 



Circulation, Amphioxus, 398; Anodonta, 

 246; Asterias, 196; crayfish, 278, 



