INDEX 



699 



Crustacea {Cont.) : 



classification, 221 



larvae, 645 



relations to man, 219 

 Cryptobranchidae, 397, 400, 404 

 Cryptobranchus, 400, 404 

 Cryptomonadina, 47 

 Cryptomonas, 75 

 Cryptotermes, 639 

 Crystalline cone, 210 

 Ctenizidae, 277 

 Ctenocephalides, 265 

 Ctenoid scales, 380 

 Ctenophora, 3, 130-132, 131 



aboralend, 130,131 



canal, 131 



ciliary comb, 131 



comb jellies, 1 30 

 plate, 131 



gastrovascular canal, 131 



glue cells, 1 30 



locomotor organs, 1 30 



mesoglea, 130, 131 



mouth, 131 



oral end, 130, 131 



pharynx, 130, 131 



sense organ, 131 



statocyst, 1 30 



stomach, 131 



stomodaeum, 1 30 



symmetry, biradial, 1 30 



tentacles, 130, 131 



tentacular pouch, 131 

 Cuboidal tissue, 84, 85 

 Cuckoo, 453, 461 

 Cuculiformes, 461 

 Cucumaria, 310 

 Culicidae, 265 

 Curculionidae, 248, 264 

 Cursoria, 263 

 Cutaneous abdominis, 347 



artery, 336, 338 

 Cuticle, 138, 151, 152, 164, 173, 



174, 179, 198, 200, 230 

 Cuticular scales, 473 

 Cuttlefish, 295 

 Cuvier, 655 

 Cyanea, 121 



Cyanocobalamin vitamin, 523 

 Cycloid scales, 388 

 Cyclops, 159, 199,215,216,221 

 Cyclosis, 58 

 Cyclostomata, 360-367 



{see Lamprey) 

 Cyclostomes, 360 

 Cynipidae, 265 

 Cyprinidae, 379 

 Cyprinodontida, 395 

 Cyst, 45, 51, 52,71 



duct, 331 



wall, 146 

 Cysticercus, 141, 144 

 Cytology, 10 



Cytoplasm, 21, 152 

 Cytostome, 43 



D 



Dactylzooid, 120 



Daddv-longlegs, 268 



Damselfly, 229 



Daphnia, 199,215 



Dart sac, 292 



Darter, 461 



Darwin, 612, 656 



Dasyatis, 374, 376 



Dasypus, 482 



Dawn horse, 618, 619, 620 



Death, 62 



"Death watch," 261 



Decapoda, 199, 221 



Deciduous teeth, 474 



Deep-sea, anglers, 393 



animals, 646 



fish, 392, 393, 395 



herring, 395 



mollusk, 289, 291 

 Deer, 262, 487, 611 

 Definitive host, 640 

 Deltoid, 347, 467, 505, 506 

 Demodecidae, 279 

 Demodex, 279 

 Demospongiae, 101 

 Dendrite, 353 

 Dengue, 260 

 Dentalium, 300 

 Dentary bones, 344 

 Dentine, 370, 475 

 Dentition, 475 



Depressor mandibularis, 347, 348 

 Dermacentor, 275, 277 

 Dermal, amoebocvtes, 93, 95 



branchiae, 304,' 306, 307 



plates, 474 



plica, 327 

 Dermanyssus, 275, 279 

 Dermaptera, 229, 260, 264 

 Dermestida, 264 

 Dermestids, 264 

 Dermis, 329 



Dermochelidae, 407, 429 

 Dermochelys, 407, 412, 429 

 Dermoptera, 464, 495 

 Descriptive embryolog)', 564 

 Deserts, 647 

 Desmid, 645 

 Development, frog's egg, 357 



hydra, 116 



mammalia, 475, 477 

 Devilfish, 296, 297 

 Devonian period, 617 

 DeVries, 657, 658 

 Dextral coil of shells, 292 

 Dextrin, 519 

 Diabetes mellitus, 554 

 Diadema, 310 

 Diamondback terrapin, 412 

 Diapedesis. 529 



Diaphragm, 535, 537 

 Diatom, 645 

 Diatrymiformes, 459 

 Dibothriocephalus, 146, 147 

 Dibranchia, 282, 302 

 Dictyna, 278 

 Dictynidae, 278 

 Dicyema, 169 

 Didelphis, 495 

 Didinium, 57 

 Diemictylus, 401, 404 

 Diencephalon, 350,351,363 

 Dientamoeba, 72 

 Diet classification of animals, 512 

 carnivorous, 512 

 herbivorous, 512 

 omnivorous, 512 

 Differential birth rate, 600 

 Differentiation, body regions, 1 1 1 

 germ cells, 79 

 somatic cells, 79, 84 

 Difflugia, 40, 498 

 Diffusion, 23,24 

 Digenea, 147 

 Digestion, 19, 516-525 

 absorption, 524 

 carbohydrates, 520 

 chemical, 518 

 diffusion and osmosis, 525 

 extracellular, 514 

 fat, 520 



intracellular, 514 

 mechanical, 514 

 proteins, 521 

 vitamins, 521 

 Digestive system, 86, 513-525 

 of animals, amphioxus, 318 

 bird, 438, 515 

 cat, 468 

 clam, 285 

 coelentcrata, 117 

 crayfish, 202, 204, 514, 519 

 dogfish shark, 370 

 earthworm, 175, 514 

 fish, 381 

 frog, 331 

 grasshopper, 514 

 hydra, 112 

 insect, 248 

 lamprev, 362 

 leech, 190 

 liver fluke, 1 39 

 man. 515, 516 

 planaria, 134, 135, 514 

 spider, 270 

 starfish, 305, 306 

 turtle, 406 

 vertebrate, 83, 86 

 tract, 163, 168 

 tube, 565 

 Digger wasps, 265 

 Digit, 437 

 Digital pad, 474 

 Digitigrade, 465, 475, 476 



