INDEX 



929 



Coxa. 293. 306. 347 

 Coxopodite. 270 

 Coyote. 628 

 Crabs. 264. 265. 772 

 Cranial cre.sts. toad. 540 



nerves. .527 



of bullhead. 469 

 Cranium, 380 



of fish. 465 



of frop. 518 

 Craspedacusta. 131 

 Crawfishes. 267 

 Crayfish. 264. 265. 266 



appendages. 269. 270 



development. 279. 280 



di^jestive system. 272 



excretory system. 274 



habitat and behavior. 267 



metabolism. 27S 



regeneration. 281 



reproduction. 278 



respiratory system. 271 



vascular system. 273 

 Creatinin. 381. 464 

 Cremastocheilus annularis. 340 

 Creosote bu=-h-kangaroo rat biome. 727 

 Crepidula. 808 

 Cretinism. 655, 668 

 Cricket frog acris, 485 



Mormon. 312 

 Crickets. 265 

 Crinoid. 225 

 Crinoidea. class, 224 

 Cristatella. 186 

 Croaker. 453 

 Crocodiles. 411. 548. 560 

 Crocodilia, order. 548. 560 

 Crocodilus acutus, 561 

 Crop, 601. 602 

 Crossing over. 834 

 Crossopterygii, order. 446 

 Crotalidae. family, 559 

 Crotalus, 5.59 

 Crotaphvtus collaris, 552 

 Crows, 595 

 Crura cerebri. 526 

 Crustacea, class. 264. 266 

 Cryptobranchidae. family. 484 

 Cryptobranclioidea. suborder, 484 

 Cryptobranchus, 473, 484 

 Cryptodira, suborder. 547. 548 

 Cryptotis parva, short-tailed shrew. 619 

 r'—i-ntn'-ifores. order. .586 

 Crystalline cone, 276 



style, 251 

 Cteni. 444 



Ctenoid scale. 444. 464 

 Ctenophora, phylum, 26, 1.57 

 Cub shark. 422 

 Cubomedusae, 137 

 Cuckoos, .591 

 Cuculiformes order. 591 

 Cucumaria, 224 

 Culicidae, family, .330 

 Cumulus. 812 

 Cuneiform, 611 

 Curculionidae, 324 

 Curlews, 591 



Cutaneous artery of frog. 508 

 Cuticle. 81. 201 



nonchitinous, 194 

 Cuticula. 308 

 Cybiidae. family. 453 

 Cycloid scale. 444 

 Cvclophylliriea, order, 161 

 Cyclopia, 665 

 Cyclops. 264. 265. 281. 283 

 Cyclosis. 95 

 Cyclospondyll, order, 422 



Cyclostomata, class. 410, 412 



economic relations, 413 

 Cynocephalus, a baboon, 636 

 Cynoglossidae, family, 452 

 Cynomys ludovicianus, prairie dog, 622, 



623 

 Cynthia, 361 

 Cyprinidae, family, 450 

 Cyprinodontes, 451 

 Cyprinus carpio, 449 

 Cypris, 264 

 Cyrtoceracone, 2.59 

 Cysticerous, 762. 764 

 Cytology. 21 

 Cytopharynx. 81 

 Cytoplasm, 60 

 Cytosome. 86 



D 



Dace. 450 



Dactylozooids, 135, 137 

 Daddy longlegs, 266, 299 

 Damsel flies, 265, 321 

 Danaidae, family, 327 

 Danaiis menippe, 327 

 Daphnia, 264, 281, 283 

 Dart sac, 246 

 Darters, 454 

 Darwin and Evolution, 885 



Charles, 44 

 Dasyatis, 456 



americanus, 423 

 Dasypus novemcinctum, armadillo, 621 

 Daughter cells, 62, 64 

 Decapoda, order, 265, 282 

 Deciduous forest formation, 726 

 Declaration of indefensibles, 792 

 Dedifferentiation, 695 

 Deduction, 18 

 Deer, 630, 786 

 Delamination, 810 

 Dementia praecox, 839 

 Demospongiae, class, 121 

 Dendrobates. 480 

 Dendrocoelum lacteum. 165 

 Dengue fever. 80 

 Dental formula. 643 

 Dentalium. 257. 2.58 

 Dentarv bone, 495. 520 

 Dentine, 643 



Dermal branchiae, 226. 229, 233 

 r)ermaptera. ordei". 265. 320 

 Dermochelidae. family, .550 

 Desert formation, 727 

 Desmognathus. 484 

 Desor's larva, 163 

 Development, arrested, 654 



of nervous system, .536 



of sexual reproduction. Ill 



of starfish. 2.32. 2.34 

 Developmental stages of several em- 



brj-os. 880. 881 

 de Vries. Hugo, 48, 8,87 

 Dextral, 240 

 Dextrocardia, 664 

 Diabetes. 677 



insipidus, 674 

 Diaphragm, 109 

 Diaphragmatic hernia. 6.57 

 Diapophysis. .543 

 Diapsida. subclass. 548 

 Diaptomus. 283 

 Diastase. .384 

 Diastole. .396 

 Dibranchiata. 260 

 Dicamptodon en=atus. 484 

 Dicrocoelium. 762 

 Didelphia. 617 

 Didelphis vlrglniana, 61Q 



