INDEX 



823 



Connective tissues, 107, 111, 112-114, 123, 



124, 142, 158 

 Conservation, 792-794 



relationships in, 793 

 Coordination, chemical, 255 - 



nervous, 255 

 Copepods, 576 

 Copperhead snake, 716, 722 

 Copulation, 343. 346, 350, 748 

 Coracoid. 148, 725 

 Corals, 465. 466, 487-492 

 Cornea, 321, 326, 327, 330, 374, 720 

 Corner, G. W., 217, 335 

 Corona, 539, 540 

 Coronary veins, 215, 216 

 Corpora allata, 258, 609, 610 

 Corpora cardiaca, 258 

 Corpora striata, 303 

 Corpus callosum, 270 

 Corpus luteum, 346, 347, 348, 350-353 

 Corrodentia. 593 

 Corti, organ of, 319, 320 

 Cortisone, 267, 271 

 Costal plate. 725 

 Cotylosaurs. 717, 727 

 Counter-shading, theory of, 555 

 Crab, 73, 138 

 Cranial nerves, 296. 707 

 Cranium. 692, 693 

 Crassostrea virginica. 633. 642 

 Crayfish, 141, 228, 576-586, 622 



burrows. 579 



female with eggs, 579 

 Creatine, 198, 664 

 Crepidula, 644 

 Crescentic groove. 369 

 Cretinism, 262, 263 

 Crinoidea, 652, 653. 798 

 Cro-Magnon man. 772, 773 

 Cro-Magnon art, 788 



Crocodiles, 713, 716, 718, 722, 723, 799 

 Crop, birds, 743 



grasshopper, 605 

 Cross breeding, 413, 414 

 Cross fertilizing, 338, 390 



pure lines. 393 

 Crustacea, 78, 227, 572-588, 663, 798 

 Crypt of LieberkiJhn, 192 

 Cryptobranchus, 684 

 Cryptorchid, 341, 342 

 Ctenophores, 493-497, 797 



digestive system, 495 



reproduction, 493, 497 

 Culex fatigans, 311, 528 

 Curie, M., 12 

 Cuticle, 556, 557, 561, 589, 590, 594, 595, 



604, 605 

 Cuttlefish, 631 

 Cyanea capiUata, 466 

 Cyclops, 78, 576, 587 

 Cyclostomata, 666, 798 



Cysticerciis celliilosae, 517 

 Cytoplasm, 33-37, 41, 53 



D 



Dalton, J., 14 



Danaus menippe, 596 



Darasprim, 448 



Darwin. C, 390, 413, 489, 555, 789, 790, 



792 

 Daylight eye, 323 

 Decidua basalis, 379, 383 

 Decidua capsularis, 379 

 Deer, white-tailed, 766 

 Dendrites, 122, 123, 281, 282, 283, 285, 



289 

 Dermacentor andersoni, 628, 629 

 Dermaptera, 593 

 Dermis, 127, 128-131, 157, 691 

 Desmids, 78 

 Deutoplasm, 363 

 De Vries, H., 408 

 Diabetes insipidus, 252, 274 

 Diabetes mellitiis, 191, 252, 268 

 Diapause, 612, 613 

 Diaphragm, 237, 238, 239, 726, 752 

 Diastolic pressure, 220 

 Diatoms, 51, 74, 78 

 Didelphis virginiana, 756. 760 

 Didiniiim nasutuin, 111, 174, 426, 427, 449 

 Diencephalon, 706 

 Diestrous period, 350 

 Differentiation, 360 

 Difflugia, 441, 442 

 Diffusion, 22, 23 

 Digestion, 168, 170, 177-194 

 Digestive cavities, 177, 178 

 Digestive system. 177-194 



bird, 742, 743 



crayfish, 579-581 



ctenophore, 495 



earthworm, 557-560 



fish, 669, 673, 674 



frog, 694-697 



human, 178-194 



hydra, 471, 476 



insects, 605, 606, 617 



mollusks, 634, 639 



planaria, 501, 502 



starfish, 658 

 Dihybrid cross, 400, 402 

 Dinoflagellates, 433-435 

 Dinosaur, 727, 783 



Diphyllobothriiim latum, life cycle, 517 

 Diploid, 43 

 Diplopoda, 622, 798 

 Diptera, 593 



Dissosteira Carolina, 600 

 Diuresis, 252 

 Dogfish, 666 

 Dolphins, 77, 764, 783 



