822 



INDEX 



Cestoda, 498, 499. 513-518 

 Cetacea. 764, 799 

 Chaetognatha, 549-551, 797 

 Chaetonotus, 544 

 Chaetopterus, 554, 568, 569 

 Chalaza, 360 

 Chameleon, 718. 719 

 Chaos carulinensis, 426 



chaos, Alil 

 Chelicerae, 623 

 Chelonia, 718. 724-726 

 Chelonia my das my das, llA 

 Chelydra. 714, 715 

 Chiasma. 706 

 Chick embryo. 377 

 Chigger, 97, 98. 629 

 Child, C. M.. 506 

 Chilopoda, 622. 798 

 Chimpanzee, 770 

 Chiroptera. 759 



Chitin. 589, 590, 594, 603, 611 

 Chiton. 630, 631, 633-635, 798 

 Chlamydosaurus, 728 

 Chloragog cells, 560, 561, 562 

 Chlorella vulgaris, 428 

 Chlorine, 174 



Chlorohydra viridissima, 469 

 Chlorophyll, 55-57, 61, 63, 203, 433, 797 

 Chloroplasts, 56, 61, 432, 433 

 Choanocytes, 435, 456, 459-461. 464 

 Cholecystokinin, 190, 267, 269 

 Cholesterol, 170, 190, 199 

 Chondrichthyes, 666, 668, 798 

 Chordamesoderm, 366, 367, 369, 370 

 Chordata, 141, 798 

 Chordates, 651, 662-666 



unique characteristics of, 662 

 Chorion, 352, 378-380, 383, 752 

 Choroid coat, 326, 327 

 Choroid plexus. 304, 707 

 Chromatin, 33, 34, 38 

 Chromatophores, 129, 165, 257, 266, 671, 



691 

 Chromonemata, 34, 38, 39, 42 

 Chromoplasts, 433 



Chromosomes, 34. 38-44, 45, 65. 341, 

 380, 388, 390, 393, 398, 399, 402, 

 404, 787, 792 



crossing over, 403 



distribution of, 394 



human cells, 404 



number of, 361, 395, 412, 413 



pairs of, 395 



sex, 404-406 

 Chrysemys picta, 715 

 Chuckwalla, 719 

 Cilia, 36, 430, 431, 450, 534, 538, 651, 



664 

 Ciliata, 432, 448, 449, 453 

 Circulatory system, 3, 195-223 



bird, 743, 744 



Circulatory system — {Continued) 



crayfish, 581, 582 



earthworm, 560 



fish, 676 



frog. 219, 698, 699, 700, 702 



human, before and after birth, 385 



insects, 606, 607, 608 



mollusk, 637-639 



ribbon worms, 536 



starfish. 656 



vertebrate, 701 

 Circumcision, 343 

 Cladocera, 412, 587 

 Clam worms, 565-567 

 Clams, 630, 631, 633, 638, 639, 798 



fresh-water, life history, 641 

 Class, 795 



Clathndina elegans, All 

 Clavicle, 148, 150, 151, 154, 158, 673 

 Claws, 126, 129, 131, 132, 741 

 Cleavage, 364, 368, 369 



types of. 362 

 Clione limaciiia, 632 

 CHtellum. 555, 557, 563, 564. 571 

 Cloaca, 194, 375, 684, 697, 709, 743, 746, 



748, 754 

 Clonorchis sinensis, 513 

 Closterium, 23 

 Clothes moth larvae. 598 

 Cnemidophorus, 714 

 Cnidoblast, 474 

 Cnidocil. 475 

 Cobra, hood, 721 



skeleton, 720 

 Coccidia. 444 

 Coccyx. 150, 693 

 Cochlea, 316, 319, 320 

 Cockroaches, 590 

 Codosiga botrytris, 435 

 Coe, W. R., 535 



Coelenterata, 465-492. 663, 797 

 Coelom, 370, 551, 554, 561 

 Cohn, E. J., 211 

 Colchicine, 412 

 "Cold blood," 713, 716 

 Coleoptera, 593 

 Coleus, 57 



Colias philodice eiirytheme, 793 

 Collagen, 113, 139 

 Collateral branches, 282, 283 

 Collembola, 590, 593, 596 

 Collip, 268 

 Colloids, 21, 22, 26 

 Colon, 194 



Color-blindness, 406, 407 

 Color vision, man and honeybee. 618-620 

 Commensalism. 93, 94, 452, 537, 554 

 Compound eyes, section of, 323 

 Condor, 729 



Conjugation, 332, 334, 426, 449, 452, 453 

 Conjunctiva, 326, 327 



