704 



INDEX. 



Echinorhynchus gigas, 165 

 Echinus, 117 



esculentus, 123 

 Echiurus, 224 

 Eciton, 383 

 Ectoderm, 6 

 Ectoprocta, 188 

 Educabilia, 582, 591 

 Edentata, 577, 629 

 Edible Holothuriaus, 135 



sea-urchin, 123 

 Edwardsia, 78 

 Eel, breeding habits of, 446 



conger, 446 



sound produced by, 444 

 Eel-pout, 458 

 Eggs, winter, of Crustacea, 300 



Planarians, 145 



Polyzoa, 187 



Rotatoria, 178 



Elasmobranchii, characters of, 414, 

 468 



development of, 418 



eyes of, 41 7 



teeth of, 416 

 Elaps, 497, 678 

 Elasmosaurus platyurus, 513 

 Electrical eel, 450 



fish of the Nile, 449 



ray, 422 

 Elephant, 597 

 Elephas, 597 



primigenius, 598 

 Elk, 608 

 Elytra, 372 

 Embryology, 13, 643 

 Encrinites, 101 

 Encrinus liliformis, 137 

 Endocyst, 181 

 Endoderm, 6 

 Endostyle, 199 

 Enneacanthus obesus, 456 

 Enopla, 219 

 Enteropneusta, development of, 220 



structure of, 219, 221 

 Entomostraca, 297, 325 



Entoprocta, 188 

 Eohippus, 602 

 Epeira vulgaris, 363 

 Ephemera, 367 

 Epigonichthys cultellus, 408 

 Epipodiuni of niollusks, 258 

 Epistome of Polyzoa, 184 

 Epistylis, 39 

 Epithelium, 7 



Epizoanthus Americanus, 79 

 Equus asinus, 605 



caballus, races of, 603 



hemionus, 604 



onager, 604 



Erimyzon oblongurn, 443 

 Eretmocbelys imbricata, 510 

 Escharina, 186 

 Estheria Belfragei, 302 

 Euchone elegans, 236 

 Euplectellum aspergillum, 48 

 Eupomotis aureus, 455. 

 Euproops Danse, 322 

 Eupyrgus, 128 

 Eurypauropus, 358 

 Eurystoniese, 94 

 Eustrongylus buteonis, 169 



chordeilis, 169 



gigas, 168 



papillosus, 169 

 Evolution, 11 



Existence, struggle for, 673 

 Eye, 640 



dorsal, of Mollusca, 257 

 of blind craw-fish, 315 

 of Crustacea, 290 

 of mollusks, 274 



FASCIOLA HEPATICUM, 150 

 Fauna, 661 



chief zoological, 666 

 Favia, 80 

 Feathers, 523 

 Felis concolor, 617 



domestica, 617 

 Ferae, 614 

 Fer-de-lauce, 499 



