622 



ANIMAL BIOLOGY 



Cleavage, hydra, 142 

 insects, 283 

 mammals, 445 

 moUusks, 229 

 mussel, 218 

 planarians, 164 

 reptiles and birds, 383 

 starfish, 201 

 Cleavage cavity, 121 



(See also Blastocoel) 

 Cleavage planes, 120 

 Cleveland, L. R., 524 

 Climbing birds, 414 

 Climbing perch, 364 

 Clitellum, 234, 236 

 Cloaca, 329 



amphibia, 370, 372, 377, 379 

 birds, 406 

 hookworm, 182 

 mammal, 427, 429 

 mussel, 214, 216 

 reptiles, 386, 401 

 rotifer, 188, 189 

 vertebrate, 323, 329 

 Clonorchis sinensis, 167, 168 

 Closed circulatory system, 469 

 Clothes moth, 290, 483 

 Clotting, blood, 330, 490 

 Clypeus, 277 

 Cnidoblast, 138, 139, 497 

 Cnidocil, 138, 139 

 Coagulation, 490 



(See also Clotting) 

 Cobras, 396, 433 

 Coccidia, 83 

 Cochineal insect, 287 

 Cochlea, 336. 337, 337, 427 

 Cockroaches, 275, 288, 294 

 Cocoon, 164, 241, 251, 292, 304. 491, 498. 499 

 Codling moth, 290, 291 

 Coelenterata, 145, 574, 576 

 Coelenterates, 136-155, 466, 469-472, 477, 489, 



494, 496, 497 

 CoeUac artery, 345 

 Coelom, 125, 478, 494, 574-576 

 amphioxus, 313, 319 

 annelids, 257 

 brachiopods, 193 

 bryozoa, 190 

 crayfish, 258 

 earthworm, 234-236 

 mammals, 427 

 reptiles and birds, 383, 384 

 rotifers, 188 

 starfishes, 198 

 vertebrates, 322, 323, 326 



(See also Extra-embryonic coelum) 

 Cold sensations, 473 

 Cold-blooded animals, 484 

 Cold-bloodedness, 484 

 Coleoptera, 290 

 Collar, 226 

 Collar cells, 129 

 Collateral, 102 

 Colloblasts, 157 



Colloidal emulsions, 13, 14 



Colloids, 12, 13 



Colon, 328, 547 



Colonial hydroids, 145, 146, 148, 149, 151, 152, 



457, 522 

 Colonies, 134, 145, 146, 148-150, 190-192, 249, 



253, 269, 318, 319, 522 

 Color, amphibia, 376 



annelids, 249 



birds, 416 



chaetopods, 248 



chameleon, 390 



Crustacea, 265 



echinoderms, 210 



fishes, 356 



hydra, 136 



hydroids, 148-149 



jelly fishes, 157 



moUusks, 225 



onychophora, 274 



turbellaria, 167 

 Color-blindedness, inheritance, 568-569 

 Coloration, concealing, 513 



recognition, 514 



warning, 514 

 Columbia livia, anatomy, 407 

 Columella, 337, 368 

 Columnar epithelium, 98, 99 

 Comb, 297, 491 

 Comb jellies, 156 

 Combustion, 480 

 Commissure, 161 

 Common names, 60 

 Communities, animal, 507-508 

 Comparative anatomy, 546, 581 

 Comparative embryology, 547 

 Competition, 528, 544 

 Complete metamorphosis, 284, 478-479 

 Compound eye, 260, 261, 276, 278 

 Compounds, 7, 8, 20 

 Comstock, J. H., 298 

 Concealing coloration, 613 

 Conchology, 5 

 Conditioned reflexes, 496 

 Conductivity, 56, 495 

 Condyle, 382 

 Conjugation, 75-77 

 Conjunctiva, 339 

 Connective fibers, 491 

 Connective tissues, 100-101 

 Connectives, 161 

 Consciousness, 501, 503 

 Conservation, of energy, 16 



of matter, 9 

 Continental islands, 532 

 Continuity, cell life, 50 

 chromatin, 50 

 germ plasm, 96 

 Continuous fibers, 49 

 Continuous phase, 13 

 Continuous stimulus, 55 

 Contour feathers, 406 

 Contractile cells, 471 

 Contractile fibers, 138, 139, 471 

 Contractile fibril, 102 



