698 



INDEX 



Color (Cont): 



feathers, 446 



fish, 388 



frog, 398 



insects, 249 



phase, 399 



protective, 327, 446 

 Colpidium, 35 

 Coluber, 418 

 Colubridae, 407, 430 

 Columba, 456 

 Columbiformes, 461 

 Columella, 344, 355 

 Columnar tissue, 84, 85 



ciliated, 85 



nonciliated, 85 

 Comb bearers, 1 30 



ciliary, 131 



jelly, 1 30 



plate, 131 

 Commensalism, 636, 637 

 Commercial bath sponge, 93 

 Common carotid artery, 336 



hen, 456 



iliac artery, 337, 338 

 Communicans, 338 

 Communis digitorum, 467 

 Communities, 633, 644 



aerial, 647 



freshwater, 644 



salt water, 645 



surface, 646 



terrestrial, 646 

 Comparative, anatomy, 612 



biochemistry, 613 



hfe span of animals, 491 

 Comparison, starfish and acorn 



worm larvae, 606 

 Compensatory regulation, 560 

 Competition, 636 

 Compound, eye, 230, 231, 232, 

 247 



fats, 520 

 Conditioned reflex, 557 

 Condors, 461 

 Conduction, 87 

 Conductors, 544 

 Congo eel, 401,404 

 Conies, 496, 550 

 Conjoined twins, 597 

 Conjugation, 61-64 

 Conjunctiva, 550 

 Connective tissue, 84, 85, 537 



circumesophageal, 208 



circumpharyngeal, 177, 202 

 Consciousness, seat of, 547 

 Constrictor, 419 



muscle, 417 

 Consumers, 635 



primary, 635 



secondary, 635 



tertiary, 635 

 Contact, 114 



Amobea, 36, 38 



Contact (Cont.): 



localized, 114 



nonlocalized, 114 

 Continental shelf, 642 

 Continuity of germ plasm, 563 

 Continuous distribution, 649 

 Contour feather, 434, 435 

 Contractile stalk, 65 



vacuole, 32, 43, 55 

 Conuropsis, 461 

 Conus arteriosus, 336, 338 

 Convergence, 610 



adaptive, 610, 612 



evolution, 610, 612 

 Convoluted tubule, kidney, 539 

 Convolutions, brain, 546 

 Cooper's hawk, 451, 453 

 Coordination, 543-557 

 Coot, 433, 452, 461 

 Cootie, 262 

 Copepoda, 199,221 

 Copepods, 146, 645 

 Copper, 519 



Copperhead, 423, 426, 430 

 Coppery-tailed trogon, 462 

 Copulation, 180, 182 

 Copulatory sac, 135 

 Coraciiformes, 462 

 Coracoid, 345, 436, 437 

 Coral, 124, 126 



atolls. 126 



island, 126 



organ pipe, 128 



polyp, 125 



precious, 128 



reef, 126 



reef fish, 388 



snake, 407, 423, 425 

 Corallium, 128 

 Coreidae, 264 

 Corixidae, 263 

 Cormorant, 460, 461 

 Cornea, 209, 210, 231, 550 

 Corneagen cells, 209, 210 

 Corona, 165 

 Corpus allatum, 249 



luteum, 554 

 Corrodentia, 229, 260, 261, 263 

 Cortex, adrenals, 552 



brain, 352 



kidney, 538 

 Cortisone, 552 

 Corvidae, 462 

 Cosmozoic theory, 602 

 Costal cartilage, 501 

 Cotingidae, 462 

 Cotton boll weevil, 258, 264 



-mouth snake, 423, 425 

 Cotylosauria, 407 

 Cougar, 494 

 Cow, 488 



bird, 449 



sharks, 376 

 Cowper's gland, 341, 472 



Coxa,231, 233, 245 

 Coxopodite, 207, 208 

 Crab, 217, 218 



louse, 229 



spider, 272, 273, 278 

 Crane, 452,461 



flies, 265 

 Cranial nerves, 352, 353, 372, 546 



vault, 477 

 Craniosacral nervous system, 555 

 Cranium, 344,436, 500, 501, 502 

 Crayfish, 197-215, 200, 201,607 



abdomen, 201 



appendages, 201, 202, 203, 205 



autotomy, 212, 213 



behavior, 213 



circulation, 206, 207 



digestion, 202, 204 



equilibrium, 211 



evolution of appendages, 203 



excretion, 208 



exoskeleton, 198 



external anatomy, 198, 200 



homology, 203, 205 



internal anatomy, 202, 204, 208 



locomotion, 214 



muscular system, 210, 211 



nervous system, 202, 208 



nutrition, 204 



organs, 209 



regeneration, 213 



reproduction, 211, 212 



respiration, 207 



sense organs, 209, 210 



senses and their location, 214 



vision, 209 

 Creepers, 462 

 Crepidula, 301 

 Cretaceous period, 617 

 Cretin, 600 

 Cribellum, 272 

 Cricket, 229, 263 

 Crinoidea, 304, 313 

 Croaker, 389 

 Croaking, 327 

 Crocodiles, 325,407,430 

 Crocodilia, 405,407, 419, 430 

 Crocodylidae, 407, 430 

 Crocodylus, 430 

 Cro Magnon, man, 624, 626 

 Crop, bird, 438 



earthworm, 172, 175 



grasshopper, 235, 236 



leech, 190 



snail, 292 

 Cross-fertilization, 80 



pollination, 639 

 Crossing-over genes, 586 

 Crossopterygian fishes, 389, 397 

 Crossopterygii, 394, 397 

 Crotalidae, 407, 430 

 Crotdus, 430 

 Crows, 462 

 Crustacea, 198, 199, 200 



