3 66 



Index. 



Hedgehog, 264. 



Heel of pigeon, 212. 



Hell-diver, 224. 



Hemiptera, 18. 



Hermit crab, 81, 82. 



Herons, 229. 



Herring, 166. 



Hessian fly, 35. 



Heterocercal tail, 162. 



Hexacoralla, 328. 



Hibernation of frog, 186. 



Hind wing of grasshopper, 4. 



Hinge ligament of clam, 103, 106, 107. 



Teeth of clam, cardinal, 104. 

 Lateral, 104. 

 Hippopotamus, 269. 

 Hive of honey bees, 46. 

 Hog, 269. 



Hollow-horned ruminants, 270. 

 Holothuroidea, 343, 347. 

 Homocercal tail, 162. 

 Honey, 47. 



Bee, 44, 45. 



Comb, 47, 48. 



Comb of cow, 270. 



Dew, 50. 

 Hoofs, 266. 



Hooks of tapeworm, 349. 

 Horned toad, 198. 

 Hornets, 49. 



Horns of ungulates, 270, 273. 

 Horny sponges, 309. 

 Horse, 267. 



Fly, 33. 34- 

 House fly, 32. 

 Humming bird, 238. 



Moth, 28. 



Humming miller, 28. 

 Hydra, 313. 



Hydroids, 317, 318, 319. 

 Hydrotheca, 320. 

 Hydrozoa, 317. 

 Hyena, 280. 

 Hymenoptera, 44. 

 Hypostome of hydra, 313. 



Of hydroid, 319. 



Ichneumon flies, 51. 



Iguana, 198. 



Incisors of rabbit, 248. 



Incubation, 219. 



Indigo bird, 239. 



Individual, 306. 



Ink bag of squid, 140. 



Ink galls, 52. 



Insecta, i. 



Insect eaters, 263. 



Interambulacral plates of sea urchin, 



339- 



Intestinal worms, 351. 

 Intestine of clam, 115. 



Of crayfish, 64, 66. 



Of frog, 182, 183. 



Of man, 283. 



Of perch, 157. 



Of pigeon, 215. 



Of rabbit, 249, 250. 



Of snake, 201. 



Of starfish, 335. 

 Irritability, 289. 

 Isopoda, 84. 

 Itch mite, 60. 



Jackal, 279. 

 Jack rabbit, 260. 

 Jacksnipe, 230. 

 Jaguar, 279. 

 Jay, 239. 



Jellyfishes, 323, 324. 

 Joint-snake, 199. 

 June bug, 36, 37. 



Kangaroo, 259. 

 Katydid, 12. 

 Keel of pigeon, 211. 

 Keyhole urchin, 343. 

 Kidneys of clam, 115, 116. 



Of crayfish, 69. 



Of earthworm, 96. 



Of frog, 182, 185. 



Of perch, 157, 161. 



Of pigeon, 215, 217. 



Of rabbit, 249, 252. 



Of snail, 130. 



Of snake, 201, 202. 

 Killdeer, 230. 

 Kingbird, 239. 

 King crab, 85. 

 Kingfisher, 237. 

 Kiwi, 222. 



