390 
Dog, skull of, 140. 
Dolichocephalic Skull, 380. 
Dolphin, 335, 355. 
Doris, 262, 352. 
Dove, 320. ° 
Dragon-fly, 284, 374. 
Duck, 318. 
Duck-mole, 328. 
Dugong, 108, 337. 
Duodeuium, 89. 
EaG.z, 322. 
far, 176. 
Kar-shell, 264. 
Earth-worm, 272. 
re circulation in, 105. 
ee feeding, 52. 
ae locomotion of, 159. 
se nervous system, 166. 
ee respiration in, 112. 
FEederon, 373. 
Lehidna, 328. 
Echinoderms, 226, 247, 350, 378. 
Kchinus, 91, 104, 129, 252, 350, 378. 
Ectoderm, 237, 373. 
Edentates, 330, 356, 382. 
Eggs, generation by, 189, 376. 
«« kinds of, 191, 376. 
‘¢ structure of, 189. 
Elasmobranchs, 302, 354. 
Elephant, 337, 356. 
fe brain of, 167, 168. 
‘ skeleton of, 150. 
Ee teeth of, 70. 
Ze voice of, 187. 
Elytra of Beetles, 287. 
Embryology, 12, 193. 
Embryos, likeness of, 201. 
Encephalon, 172, 374. 
Enderon, 373. 
Endoderm, 287, 373. 
Endoskeleton, 126, 128, 135. 
Endosmosis, 372. 
Entomostracans, 274, 353. 
Epeira, 353. 
Epidermis, 34, 126, 128, 373. 
Epiglottis, 118. 
Epithelium, 33. 
Equus, 142, 149, 356. 
Euplectella, 237, 349. 
Excretion, 119. 
Exoskeleton, 125. ° 
Eyes, compound, 178, 375. 
“* simple, 178. 
«structure of, 180. 
Faorau ANGLE, 298, 
Falcon, 323, 355. 
INDEX. 
Family, 227. 
Fangs, 67. 
Feathers, 135. 
Felis, 137, 356. 
Fibrospongia, 349. 
Fishes, anatomy of, 82. 
se 
“e 
ce 
ee 
“ 
“ 
“cc 
brains of, 168, 301. 
circulation in, 106, 109. 
described, 298, 381. 
digestive system, 79. 
distribution of, 363. 
gills of, 113, 301. 
heart of, 107. 
locomotion of, 156, 300. 
mouth and teeth, 60, 66. 
muscles of, 154. 
prehension of, 53, 
scales and skeleton, 133, 146, 299. 
Fish-hawk, 321. 
Flagellata, 235, 349. 
Flamingo, 158, 318. 
Flea, 290. 
Flight, 157. 
Flustra, 351. 
Fly, described, 288. 
feet of, 160. 
mouth of, 59. 
Fly-catcher, 324. 
Flying-fox, 333. 
Follicles, 121. 
Food, kinds of, 47. 
necessity of, 45. 
prehension of, 49. 
Foraminifers, 50, 128, 233, 349. 
Forms of Animals, 215. 
Fox, 341. 
Frog, blood-cells of, 98. 
brain of, 170. 
described, 307. 
metamorphosis of, 205. 
prehension of, 53. 
skeleton of, 118. 
Fungia, 243. 
Fusus, 264, 266. 
GALL-BLADDER, 122. 
Gall-flies, 293. 
“ce 
Gallus, 355, 
Ganglia, nervous, 163. 
Gannet, 317. 
Ganoids, 302, 354. 
Gar-pike, 302. 
Gasteropods, 260, 351. 
Gastric Follicles, 121, 
Teeth, 63. 
Gavial, 312, 355. 
Genus, 227. 
Germinal Dot, 191. 
