INDEX. 



Fishes, heart of, 108, 48. 



" locomotion of, 159, 124. 



" mouth of, 61. 



muscles of, 157, 48. 



" number of species of,, 313. 



" ovary of, 48. 



" pancreas of, 123. 



" prehension of, 54. 



" / scales of, 135, 102, 283. 



" skeleton of, 112. 



" skull of, 138, 112. 



" teeth of, 61, 67, 32. 

 Fish-hawk, 335, 318. 

 Fission, 191, 160. 

 Flagella, 154, 187. 

 Flagellata, 243, 187. 

 Flamingo, 331. 

 Flea, 300. 



Flight of Bats, 161- 



" of Birds, 160. 



" of Insects, *159. 

 Fluke, 265. 

 Flustra, 267, 220. 

 Fly, 300. 

 " buzzing of, 188. 

 " foot of, 127. 

 " metamorphosis of, 270. 

 " mode of feeding of, 50. 

 " mouth of, 59, 24. 

 " see Diptera, Mosquito. 

 Fly-catcher, 338, 322. 

 Flying Fox, 346. 

 Follicle, 123, 90. 

 Food, 47-49. • 

 Foramen magnum, 172. 

 Foraminifera, 51, 241, 15, 186. 

 Forms of animals, 222. 

 Fox, 355, 349. 

 Frog, 318, 297. 



" alimentary canal of, 82. 



" blood-corpuscles of, 99, 63, 65. 



" breathing of»119. 



" circulation in, 108, 76. 



" food of, 49. 



" heart of, 108. 



" lungs of, 118, 85. 



" lymph-heart of, 96. 



" metamorphosis of, 209. 



" respiration in, 117-119. 



" skeleton of, 119, 140, 145, 87. 



" tongue of, 61. 



" vertebrae of, 140, 87. 

 Fruit-moth, 303, 275. 

 Function, 41. 

 Fungia, 252, 202. 



Gall-bladder, 124, 92. 

 Gall-fly, 303. 

 Ganglion, 166, 14, 146. 

 Gannet, 331. 

 Ganoidei, 315, 289, 290. 



Gar-pike, 315, 289. 



Gasteropoda, 20, 29, 45,100, 154, 176, 272. 



" see Snail. 

 Gastric glands, 123, 90. 



" juice, 93. 

 Gastrula, 198, 166. 

 Gavial, 324. 

 Gecko, 322. 

 Gelatine, 36. 

 Genus, 235. 

 Germinal vesicle, 192. 

 Gibbon, 357. 

 Gills, 114, 125, 48. 

 Giraffe, 353. 



Gizzard of Invertebrates, 79. 



" of Vertebrates, 84. 

 Gland, 121, 89. 



" gastric, 123, 90. 



" liver, 123, 92. 



" pancreas, 123, 91. 



" salivary, 122. 



" sweat, 126, 94. 

 Globigerina, 242. 

 Glottis, 119. 

 Glycogen, 23. 

 Goatsucker, 338, o2o. 

 Goniaster, 260, 212. 

 Goose, 331, 310. 

 Gorgonia, 256, 208. 

 Gorilla, 357, 357. 

 Grallatores, 332, 313. 

 Grasshopper, 297. 



development of, 208. 

 gizzard of, 79. 

 " mouth-parts of, 58, 21 

 " stridulation, 18a 

 Grebe, 329. 



Gregarinida, 240, 184. 

 Grouse, 333, 315. 

 Growth, 214. 

 Grubs, 389. 

 Gryllus, 295, 264. 

 Guinea-pig, 345. 

 Gulls, 329. 



H^MATOCRYA, 393. 



Hsematotherma, 393. 

 Hsemocyanin, 102. 

 Haemoglobin, 102. 

 Hag-fish, 54, 314. 

 Hair, 136, 94, 104. 

 Hair-worm, 262. 

 Haliotis, 278, 235, 246. 

 Hand, 359. 

 Hare, 346, 336. 

 Harvest-man, 289. 

 Haversian Canals, 37, 7. 

 Hawk, 335, 318. 

 Hearing of Invertebrates, 178. 



" of Vertebrates, 179. 

 Heart, Arthropoda, 105, 69, 70. 



