Fish-louse, 88 
Fish, sounds of, 157 
swimming, mode of, 158 
Fissipedia, 293 
Flagellum, 12 
Flamingo, 219 
Flat- worms, 49 
Flea, 125 
beach, 92 
water, 87, 89 
Flounder, 171 
Fluke-worms, 49 
Flycatcher, 233 
Fly, house, 125 
Flying-fish, 165 
Foraminifera, 9, 10 
Forficula, 117 
Fox, 299 
flying, 262 
Fratercula, 212 
Frog, 184 
Fulica, 219 
Fuligula, 218 
Gadus, 170 
Galago, 304 
Galeopithecus, 260 
Gall-fly, 129 
Ga]lin83, 222 
Gallinago, 221 
Gallinula, 220 
Gallinule, 220 
Gallus, 222 
Gammarus, 92 
Gannet, 216 
Ganoidei, 150 
Gar, alligator, 153 
Gare fowl, 212 
Garpike, 153 
Gar, silver, 166 
Gasterosteus, 168 
Gastrotlieca, 186 
Gastrula, 42 
Gavial, 198 
Gekko, 194 
Genetta, 300 
Geographical distribution, 4 
Geom^s, 259 
Geophilus, 111 
Gephyrea, 58 
Gibbon, 240, 309 
Gila monster, 195 
Giraffe, 290 
Gizzard shad, 157 
Glass-snake, 193 
Globicephalus, 267 
Globigerina buUoides, 9 
ooze, 10 
Glow-worm, 124 
Glutton, 297 
Goat, mountain, 289 
Goat-sucker, 230 
Goose, barnacle, 218 
white-fronted, 218 
wild, 218 
Goose-fish, 172 
Gopher, 259 
Gordius aquaticus, 52 
Gorgonia flabellum, 31 
Gorilla, 310 
Graculus, 216, 
Grasshopper, 104 
Grebe, 213 
Gregarina gigantea, 11 
Gregarinida, 9, 11 
Grilse, 164 
Grouse, 222 
Grus, 220 
Guide-bird, 230 
Guillemot, 212 
Guinea-hen, 223 
Gulo, 296 
Gymnophiona, 183 
Haddock, 170 
Hag-fish, 141 
Hake, 170 
Haliaetus, 227 
Haplodon, 256 
Hare, 256 
little chief, 257 
Harvestman, 114 
Helix albolabris, 73 
Hell-bender, 180 
Heloderma, 195 
Hemippus, 278 
Hemiptera, 121 
Heron, great blue, 220 
night, 220 
Herring, 162 
Hessian-fly, 125 
Hexapoda, 116 
