698 



Index 



Cetacea, 630, 637-638 

 Cetorhinus, 576, 580 

 Chaetogaster, 449, 461 

 Chaetognatha, 348, 554-556 

 Chaetonotus, 442 

 Chaetopterus, 449, 454 

 Chalcid wasp, 531 

 Chalina, 382 

 Chamber, anterior, 215 



posterior, 215 



of vitreous humor, 215, 217 

 Chambered nautilus, 468, 477, 481, 482 

 Chameleon, 607 

 Characin, 590 

 Charadriiformes, 625 

 Cheek, 130 

 Chelicera, 510, 512 

 Cheliped, 495, 496. 498 

 Chelonia, 603, 604-606 

 Chelonidae, 606 

 Chelydra, 605, 606 

 Chemical change in muscles, 120 

 in nerves, 208 



receptors, 214 

 Chemistry, 25-35 

 Chest cavity, 155, 162 



muscles, 154 

 Chewing lice, 538 

 Chiasma, 131 

 Chigger, 516 

 Chilomastix, 357 

 Chiloplacus, 426, 427-429 

 Chilopoda, 490, 516-517 

 Chimaera, 567, 576, 580, 581 

 Chimaerae, 576 

 Chimpanzee, 635 

 Chinch bug, 539 

 Chiroptera, 630, 634 

 Chiton, 466, 468-469, 476, 487 

 Chloragogen cell, 457 

 Chlorohydra, 386, 389 

 Chlorophyll, 354 

 Chloroplast, 354 

 Choanichthyes, 568, 583, 591 

 Choanocyte, 376, 379 

 Cholecystokinin. 140, 141, 142, 248 

 Cholesterol, 236 

 Choloepus, 630 

 Chondrichthyes, 46, 547, 568, 575-581 



characteristics of, 575-576 



classification, 576 

 Chondriosome. 268 

 Chondrostei, 569, 582, 590 

 Chordae tendineae, 63, 162, 163 

 Chordata, 44, 45, 104, 556, 559-591, 

 592-625, 626-643, 646, 647 

 characteristics of, 560-561 

 classification, 348 

 subphyla of, 561 



Chorion, 290-291 



of insect egg, 520, 527 

 Chorionic gonadotropin, 242 

 Choroid coat, 215, 216 



plexus, 71, 201 

 Chromatid, 271 

 Chromatin, 267, 268, 270, 272 

 Chromatophore, 55, 82, 354, 479 

 Chromonema, 267, 268, 270 

 Chromosomal map, 314-315 

 Chromosome, 268-277 



giant, 314 



homologous pairs, 301 



maternal, 274 



number, 272 



paternal, 274 



sex, 308 

 Chrysemys, 605, 606 

 Chyme, 141 

 Cicada, 539 

 Cichlid, 590 

 Ciconiiformes, 625 

 Cilia, 36, 150, 152, 192, 223, 224 



in ciliates, 368, 369 



in protozoans, 350, 352 



in rotifers, 438, 439 



in starfish, 542 

 Ciliary body, 215, 216, 217 



muscles, 218 



plates, 398 

 Ciliata, 352, 367-373 



nervous system, 192 



reproduction, 253 

 Ciliophora, 353 

 Ciona, 561 



Circulatory system, Cambarus, 497, 501 

 closed, 159, 421, 448 

 of Enteropneusta, 557 

 of frog, 63-69 

 of insect, 519, 525 

 of perch, 586 

 of shark, 577, 579 

 of vertebrate, 159-183, 629 

 Circumesophageal commissure, 502 

 Circumpharyngeal connective, 459 

 Cirripedia, 506, 507 

 Cirrus, of Branchiostoma, 565 



of crinoid, 553 



of fluke, 413 



of Neanthes, 450 



of tapeworm, 417 

 Cisco. 574 

 Cladoceran, 506 



Clam, 45, 92, 348, 466, 468, 472-476 

 Clamworm (see Neanthes), 449, 450- 



453 

 Clasper, 576 

 Class, 44 



Classification, 41-46, 325 

 Clavicle, 58, 101, 109 



