INDEX 



403 



H 



Habitat, of Auodonta, 178; butter- 

 flies, 16; Daphnia, 120; earthworms, 

 132 ; Hydra, 205 ; slug, 161 ; Unio, 178. 



Habits, of Acrididae, 1; mouse, 319; 

 rat, 319. 



Hadrosaurus, 273. 



Hair streaks, 22. 



Hairy ant-eater, 323. 



Hairy woodpecker, 301. 



Halistemraa, 213. 



Hard-shelled clams, 190. 



Hares, 321. 



Hawkbill-turtles, 274. 



Hawk-moths, 22, 41. 



Hawks, 298. 



Heating of frog's egg, 334. 



Heat, effect on development, 333. 



Helicidae, 161. 



Helix, 161-165 ; introduction of nemo- 

 ralis, 164 ; variations in, 164. 



Hellbender, 257, 258. 



Heloderma, 270, 271. 



Hemiptera, 12, 67. 



Hen clams, 189. 



Hermit crabs, 105, 107, 123. 



Herons, 305. 



Hessian-fly, 67,68, 82. 



Hesperornis, 313. 



Heterandria, 242. 



Heteroptera, 12. 



Heterotricha, 224, 229. 



Hippa talpoides, 107. 



Hippidas, 107, 123. 



Hippoboscidae, 70. 



Hippopotamus, 326. 



Hirudinidse, 292, 316. 



Holothurians, 201. 



Holothuroidea, 204. 



Holotrichia, 229. 



Homarus, 100, 113. . 



Homoptera, 13-14. 



Honey bees, 32-33. 



Horn-pout, 241. 



Horned corydalis, 12. 



Horned fly, 72. 



Horned toad, 269. 



Hornet, 34. 



Horses, 327; fossil, 327. 



Horse-flies, 65, 72. 



House-fly, 61. 



House wren, 288. 



Humming-birds, 301. 



Hydra, 205, 335; description of, 205- 



207; food of, 207; habitat of, 205; 



regeneration of, 219. 

 Hydractinia, 209. 

 Hydrocorallidte, 208, 220. 

 Hydroidre, 220. 

 Hydromedusse, 212, 220. 

 Hydrophilidse, 60. 

 Hydrophilus, 47. 

 Hydrozoa, 220. 

 Hyenas, 328. 

 Hygrotrechus, 12. 

 Hylidae, 263. 

 Hymenoptera, 30, 72; gall-producing, 



43 ; parasitic, 38, 43 ; plant-eating, 43. 

 Hypotricha, 229. 



Ichneumon flies. 30. 

 Icteridae, 293, 317. 

 Idylia, 219. 

 Iguanidse, 268-269. 

 Importation of mouse, 318. 

 Increase of exotic species, 283. 

 Indigo bird, 285. 

 Infusoria, 222, 229. 

 Insectivora, 327, 331. 

 Intelligence of ants, 35. 

 Iphiclides, 18. 

 Isopoda, 112. 



J 



Jay, 294. 



Jelly-fishes, fresh-water, 208 ; life his- 

 tory of, 210 ; salt-water, 208. 

 Jigger, 71, 95. 

 Jingle shells, 191. 

 Julidae, 79. 

 Julus, 76, 77, 79. 

 Jumping mice, 321. 

 Jumping spiders, 90, 91, 96, 321. 

 June-bugs, 50. 



Kallima, 20. 

 Katydids, 6, 15. 



K 



