INDEX 



453 



Formation of new races, 405. 

 Fossil-bearing rocks and their origin, 



421. 



Fossil brachiopod (ill us.), 423. 

 Fossils. 420 ; deposition of, 422. 

 Foot of the bald eagle (ill us. ), 292. 

 Fringillidce, 231. 

 Frogs, 185. 

 S'ulica americana, 223. 



Galapagos Islands, 439. 



Galena zyopterus (illus.), 169. 



Gall of the white oak (illus.), 30& 



Gdlhnago delicata, 223. 



Gallinse, 224. 



Oammarus (illus.), 122, 



Ganoidei, 171. 



Garpikes, 171. 



Gasteropods, 89, 97, 103. 



Gastrula (illus., 36), 35. 



Gavia imber, 219, 



Geese, 22 1. 



Gelasimns (illus.), 120. 



Geographical distribution of ani- 

 mals, 435. 



Geological epochs and their animals, 

 424 



Geometrid larva (illus.), 356. 



Gephyrea, 84. 



Gerrhonotus scincicauda (illus. ), 352. 



Giant water-bug (illus.), 138, 30& 



Gila monster (illus.), 200. 



Glires, 19, 240. 



Gnats, 138. 



Gnawers, 240. 



Golden eagle (illus.), 227. 



Gordius, 69. 



Gorilla, 250 ; (illus.), 252. 



Gorgonia, 56. 



Grapta, 357. 



Grasshopper, 133 ; showing auditory 

 organ (illus.), 381. 



Grebes, 217. 



Green leaf insect (illus.), 357 



Gregarina. 28 (illus,), 29. 



Gr^gariousness, 328. 



Grouse, 224. 



Grus americana (illus.), 220 ; Mexi- 

 eana, 2:22. 



Gryttotalpa (illus.), 81i. 



Hceniatozoa, 30. 



Halictus, 3'35. 



Haliclystus (illus.), 53. 



ELalicztus Leucocephalus, 226 ; H. at- 



bierlla, 329. 

 Harvestmen, 145. 

 Hatteria (illus.), 206, 207. 

 Hawks, 226. 



Hawkbill turtle (illus.), 20a 

 Heliconidae, 305. 

 Helix, 98. 

 Helodtrma suspectutn (illus.), 200, 



201, 3(J1. 



Heptacarpus brevirostris, 117. 

 Hemiptera, 137. 



Hermit-crabs (illus., 119), 118, 338. 

 Herodiones, 222. 

 Herons, 222. 

 Herring, 172. 

 Hirundinidce, 231. 

 JJotninidte, 253. 

 Homo sapiens, 252. 

 Homology, 13. 

 Honey-bee (illus.), 259, 314 ; (illus.), 



315; posterior leg of (illus.), 316; 



cells containing eggs (illus.), 317; 



hiving a swarm of (illus ), 319. 

 Horned toads, 200 (illus.), 208, 297. 

 Horse, extinct four-toed (illus.), 



432 ; feet of in fossil pedigree, 433. 

 Horse-fly (illus.), 139. 

 Horseshoe crab (illus.), 149. 

 Horsehair snake, 69. 

 House-fly, 138. 

 Humming-birds, 229. 

 Humpback whale (illus.), 243, 

 Hydra, fresh- water, 43 ; (illus.), 44; 



metnods of multiplication, 45. 

 Hydractini't, 119 (illus.), 50. 

 Hydrodamalis, 419, 

 Hydrophilus (illus.), 311. 

 Hydrozoan colonies, different types 



of (illus.), 46,47. 

 Hyla regilla ( illus.), 310. 

 ffylohates, 250. 

 Hymenoptera, 142. 

 Hystrix cristata { illus. ), 24L 



