INDEX. 



381 



Dicyiwdon, 277. 



DideiphUm, 822, 324. 



Didelphys, 324. 



Siflugia, 28. 



Digitigrada, 345, 347. 



Dinoceras, 340. 



Dinocerata, 340. 



Dipnoi, 237; general characters of, 247, 



Dipodidce, 351. 



Diptera, 175. 



Discophora{Medusai), 79; (Leeches), 130. 



DuscorbiTM, 30, 31. 



Distal, 57. 



Distama, 118, 119. 



Divers (Birds;, 295. 



Dodo, 3ii0. 



Dog, 847. 



Dog-flsh, 246. 



Dolphin, 327, 328, 330. 



Doris, 204. 



Dormice, 351. 



Dorsal vessel of Insects, 104. 



Doves, 299. 



Draco, ill. 



Drngon-flies, 173. 



Dromaius, 291. 



Dromedary, 337. 



Duolj, 296. 



Ducli-mole, 319, 320. 



Diigong, 328. 



Eagle, 305. 



Earth-worms, 131. 



Echidna, 319, 320, 321. 



jBchirwdertnata, 97 ; general characters of, 

 97, 98, et seq. 



Ecfdnouiea, 99; general characters of, 99, 

 et seq. ; aquiferous system of, 101 ; de- 

 velopment of, 102. 



Bchimrrhynchus, 121, 122. 



Ectocyst, 188. 



Ectoderm, 52. 



Edentata, 317; general characters of, 324, 

 et seq. 



Eels, 243. 



Elasmobra-nchii, 237 ; general characters 



of, 245 ; sub-orders of, 247. 

 Elephant, 341, 342. 

 Ellc, 338. 

 Elytra, 181. 

 Emeu, 291. 

 Emydidce, 2B3. 

 Endocyst, 188. 

 Endoderm, 52. 

 Entozoa, 112, 113. 

 Ephemeridce, 173. 

 Epistylis, 55. 

 Equidce, 333. 

 Equus, 833. 

 ErinaceidtB, 354. 

 Erinacevs, 353, 854. 

 Ermine, 347. 



Errant Annelide, 133, et seq. 

 Esocidce, 243. 

 Eudendrium, 62. 

 Euglena, 42. 

 Euplectella, 48. 

 Eurypterida, 145. 

 Euspongia, 48. 

 Eyes of Insects, 164. 



Falcon, 305. 



Feather-star, 106, 107. 



Felidai, 317; dental formula, 344. 



Felis, 349. 



Field-bug, 171. 



Filaria, 123. 



Finches, 303. 



Pinner-whales, 330. 



Fishes (see Pisces). 



Fission, continuous and discontinuous, 

 54, 65. 



Fissirostres, 3P4. 



Plagellata, 38, 42. 



Flat-flsh, 243. 



Pleas, 174, 176. 



Flesh-flies, 176. 



Float of Physophorkloe, 74. 



Flukes, 118. 



Flustra, 187, 188, 190. 



Fly-catcher, 314. 



Flying-Dragon, 271. 



Flying-Lemur, 855. 



Flying-Squirrel, 351. 



Food of Animals and Plants, 4. 



Pood-vacuoles, 39. 



Foot otMoUusca, 186, 197, 202, 206. 



Foot-jaws, 188, 139, 140. 



Foot-tubercles, 131, 182, 146. 



Fora/minifera, 28 ; general characters 

 of, lb. : pseudopodia of, 30 ; shell of, 

 31; distribution of, in space, 32; pre- 

 sence of, in white chalk, 33. 



Forest-flies, 176. 



FormicidoB, 179. 



Fowl, 298, 299. 



Fox, 347. 



Fox-bats, 353. 



Frigate-bird, 296. 



Fringillidce, 3U4. 



Fringing-reefs, 89. 90. 



Frog, 249, 254, 265 ; development of, 

 2.35. 



Fulica, 296. 



Funnel of Ctenophora, 90. 



Gad-flies, 176. 



Gadidcc, 243. 



Galeopithecus, 355. 



GaUinacei, 298. 



GalUnula, 296. 



Gallus, 298. 



Gammaras, 144. 



Gannet, 295. 



Ganoid Scales of Fishes, 229. 



Ganoidei, 237 ; general characters of, 

 243, et seq. 



Gasteropoda, 186, 196; general charac- 

 ters of, 201, et 'seq.; shell of, 204; 

 odontophore of, 2ul ; development of, 

 202. 



Gavial, 272. 



Geckotidoe, 272. 



Geese, 296. 



Geinitores, 299. 



Gemmation, continuous and discontinu- 

 ous, 54. 



Gemmule, of Spongilla, 48. 



Gemsbok, 339. 



Generations, alternation of, 04. 



Gennette, 347. 



Gephyrea, 112. 



Gibbon, 359. 



