532 



INDEX 



Ductus eholedoclius, 125 

 Dujardin, 39 

 Duodenum, 124, 160 



of frog, 67 

 Dura mater, 92, 133 

 Dwarf, 201, 206 

 Dysentery, amoebic, 279 

 Dysgenic, 252, 255 



E 



Ear, development, 220 

 Eardrum, 187 

 Earthworm, 23, 342 



development, 353, 354 

 Ecdysis, 393, 409 

 Echinarachinus, 361 

 Echinaster, 359 



Echinococcus granulosus, 437, 450 

 Echinoderm theory, 485 

 Echinodermata, 23, 358 

 Echinoderms, larval relations, 485 

 Echinoidea, 359 

 Echiuroidea, 356 

 Ecology, 21, 457 

 Economic importance of Amphibia, 102 



relations of starfish, 371 

 Ectoderm, 215, 314 

 Ectoparasites, 430 

 Ectosarc, 282 

 Edwardsiidea, 311 

 Eel worm, 335 

 Elasmobranchii, 148 

 Electrotropism, 278 

 Elephantiasis, 439 

 Embryo, chick, 216 

 Embrvological evidence of evolution, 



501 

 Embryology, 21, 209 



of frog, 96 

 Emulsoid, 42 



Encephalocoele, 234 



Endamoeba, 440 

 coli, 279, 418 

 gingivalis, 279, 436 

 histolytica, 270, 279, 436 

 nana, 279 

 endocrine glands, 195 



Endoderm, 215, 296, 310 



Endolimax nana, 279 



Endolymph, 95 



Endomixis, 298 



Endoparasites, 430 



Endopodite, 397 



Endosarc, 282, 287 



Endoskeleton, 110, 167 



Endostvle, 156 



Enterobius, 335 



Enterobinase, 171 



Enteron, 326 



Enteropneusta, 147 

 Entomostraca, 412 

 Environment, animal and, 457 

 Enzymes, 45, 122, 167 

 Eoanthropus skull, 494, 496 

 Eocene epoch, 498 

 Eohippus, 492 

 Epicranium, 400 

 Epididymis, 142, 144 

 Epiglottis, ]22, 131 

 Epinephrine, 199 

 Epistylis, 272, 277 

 Epitheliomuscular cells, 315 

 E'poophoron, 142 

 Equatorial plate, 51 

 Equilibrium, 188 

 Equus caballus, 492 

 Erepsin, 125, 171, ♦172 

 Erythrocytes, 57, 70, 130 

 Eskimos, 495 

 Esophagus, 122 

 Estrogen, 205, 207 

 Ethiopian region, 473 

 Ethmoids, 112 

 Eubranchipus, 410, 412 

 Eudorina, 277 

 Eugenic measures, 256 



security, 254 

 Euglena, 275-282 

 Euglenoid movement, 285 

 Euplotes, 273 

 Eupomotus, 464 



Eustachian tube, 94, 131, 183, 220 

 Evolution and blood matching, 505 



and breeding, 505 



and serum, studies, 505 



and vestigial structures, 500 



annelid theory, 485 



arachnid theory, 485 



echinoderm theory, 485 



embryological evidence, 501 



geological evidences of, 489 



morphological evidence, 499 



of the horse, 492 



physiological evidence of, 505 



theory of, 480 

 basis for, 489 

 Excretion, function of, 188 

 Excretory system, of bullfrog, 81 

 of rat, 140 

 of vertebrate, 162 

 Exopodite, 397 

 Exoskeleton, 167 

 Expiration, 132 

 Exumbrella, 304 

 Eye, muscles of, 185 



structure and function, 185 

 Eyes, 218 



of crayfish, 405 



of frog, 93 



