426 



INDEX. 



Hydra, repair of, 215. 

 Hydroid, see Hydrozoa. 

 Hydrozoa, 246, 178, 191-196. 



" alternate generations, 212. 



" development of, 205. 



" see Jelly-fish. 

 Hyena, 355. 

 Hymenoptera, 303, 22, 42, 81, 277. 



Hypoblast, 199, 169. 



IBIS, 332. 



Ichneumon-fly, 304. 



Ichthyopsida, 308. 



Ichthyosaurus, 232, 324. 



Idotia,286, 261. 



Iguana, 322. 



Iguanodon, 324. 



Ileum, 58. 



Imago, 208, 172, 173, 267, 270, 275. 



Incisors, 68. 



Individual, 220, 235. 



Infusoria, 168, 243, 160. 



" digestion in, 75, 92. 

 " fission, 191, 160. 

 " mode of feeding of, 50. 

 " motion of, 154. 

 " mouth of, 55. 

 " respiration of, 112. 

 44 skin of, 127. 

 Inheritance, 215. 

 Insectivora, 346. 

 Insecta, 291. 



" absorption of, 94. 



" alimentary canal of, 78, 41-43. 



" anatomy of, 48, 81. 



" antennae of, 147. 



" chrysalis of, 172. 



" circulation in, 105, 293. 



" development of, 205. 



" ear of, 179. 



" eye of, 181, 156, 156. 



" feet and legs of, 162, 127, 131. 



" flight of, 159. 



14 gizzard of, 79. 



" heart of, 105, 69. 



" kidney of, 126, 41, 42. 



" liver of, 123. 



" locomotion of, 15, 163. 



" metamorphosis of, 207, 172, 173, 

 264-270, 274, 276- 



" mouth of, 57. 



" mouth-parts of, 53, 21-24. 



" muscles of, 166, 131. 



" nervous system of, 169, 43, 136. 



" respiration in, 114, 291. 



" salivary glands of, 122, 40. 



" silk glands of, 40. 



" skeleton of, 132, 292, 98, 262. 



" smell of, 178. 



14 spiracle of, 114, 79. 



Insecta, touch of, 176, 147. 



44 trachea; of, 114, 40, 80, 81. 

 14 wings of, 159. 

 Insessores, 337, 322-328. 

 Inspiration, modes of, 115, 119, 120. 

 Instinct, 184. 

 Intelligence, 187. 

 Intestine of Amphibian, 82. 



44 of Bird, 84. 



44 of Fish, SO. 



44 of Mammal, 85, 68. 



" of Reptile, 82. 



44 see Alimentary Canal. 

 Iris, 183, 157. 

 Isomya, 272. 

 Ivory, 38, 66. 

 Ixodes, 288. 



JAWS, 53-74. 

 Jay, 339. 



Jelly-fish, 247, 193-197. 

 44 blood of, 97. 



development of, 212, 178, 195. 



eye of, 180. 



mode of feeding of, 51. 



mouth of, 55. 



nerves of, 168. 



nettle-cells of, 51. 

 44 reproduction of, 212. 

 Joints, 147. 

 Julus, 287. 

 June-bug, 267. 



KANGAROO, 88, 343. 



Kidney, 126, 41, 42, 46, 52, 93. 



King-crab, see Horseshoe-crab. 

 Kingfisher, 335, 327. 

 Kite, 335. 

 Kiwi-kiwi, 327. 



LABIUM and LABRUM, 53, 58, 21. 

 Labyrinthodontia, 318. 

 Lacerta, 321, 300. 

 Lacertilia, 321. 

 Lachnosterna, 297, 267. 

 Lacteals, 94, 60. 

 Lacunas, 37, 8. 



Lamellibrauchiata, 270, 44, 46, 78, 99, 136, 

 150, 224-227. 



" eye of, 181, 153. 



44 see Clam. 



Lamellirostres, 331, 310, 311. 

 Lamprey, 314, 286. 

 Lamp-shell, 266, 221, 222. 

 Lancelet, 310, 282. 

 Land-snail, 275, 232. 

 Lark, 340. 



Larva, 208, 172, 173, 267, 274, 275. 

 Larynx, 189, 169. 

 Lasso-cells, 51. 

 Leech, 268, 



