830 
INDEX. 
Dace, 164 
Dallingeria, 13 
Daphnia, 89 
Darter (fish), 168 
(bird), 216 
Dasypus, 251 
D-ecapoda, 94 
Deer, 283 ; (black- tailed), 283 
mule, 283 
Virginian, 383 
Delpliinapteriis, 267 
Dendroeca, 235 
Dermaptera, 117 
Desmognathus, 180 
Devil-fish, 150 
Dibranchiata, 75 
Dicotyles, 279 
Didelphys, 245 
Didus, 225 
Diemyctylus, 183 
Dinornis, 208 
Diomedea, 214 
Dipnoi, 151 
Diptera, 125 
Dodo, 225 
Dog, 298 
varieties of, 299 
Dog-fish, 145 
shark, 145 
Dolphin, 166 
Doris, 72 
Dorosoma, 157 
Dove, 225 
Dragon-fly, 121 
Drum-fish, 157 
Duck-bill, 241 
black, 218 
canvas back, 218 
eider, 217 
king eider, 218 
mallard, 218 
summer, 218 
wood, 218 
Eagle, 227 
Earth-worm, 47, 48, 63 
Earwig, 117 
Echeneis, 166 
Echidna, 241 
Echinarachnius, 45 
Echinodermata, 37 
Echinoidea, 44 
Echinus, 44 
Ectoderm, 819 
Ectopistes, 226 
Edentata, 248 
Eel, 157 
Eel, 160 
electrical, 161 
Eel pout, 169 
Elaps, 190 
Elasmobranchii, 148 
Elephant, 269 
Elephas, 269 
Elk, 283 
Embiotoca, 159 
Encrinites, 40 
Encrinus, 40 
Enneacanthus, 167 
Enteropneusta, 58 
Entoderm, 3, 19 
Entomostraca, 87 
Eohippus, 377 
Eolis, 72 
Eozoon, 10 
Epeira vulgaris, 115 
Epistylis, 14 
Equus, 277 
Eretmochelys, 197 
Erimyzon, 157 
Ermine, 297 
Estheria, 89 
Euchone, 63 
Eupagurus, 94 
Euplectellum aspergillum 
Eupomotis, 167 
Eurypharynx, 175 
Eutsenia sirtalis, 189 
Fasciola hepatica, 50 
Fauna, 4 
Felis, 300 
Ferse, 293 
Fiber, 257 
Fierasfer, 170 
Finch, 234 
Fisher, 297 
Fishes, 142 
bony, 154 
viviparous, 159 
labyrinth, 169 
Fishhawk, 326 
