368 



INDEX. 



Holometabolic Insects, 150, 153. 



Hololhuroidea, 96; general characters of, 

 106. 



Homology, 14, 15. 



Honey-badger, 308. 



Honey-eater, 276. 



Hoopoe, 276. 



Hornbill, 261, 276. 



Horse, 298. 



Horseshoe Crab, 133, 134. 



House-fly, 159. 



Humming-birds, 276. 



Hycenida, 309. 



Hydatids, 112. 



Hydatina, 116. 



Hydra, 53, 56-59 ; reproduction of, 60. 



Ifydrachna, 141. 



Hydra-tuba, 80. 



Hydrida, 57. 



Ilydroida, 57, 66 ; reproduction of, 62-66. 



Hydroid Zoophytes, 53, 59. 



llydrophidai, 244. 



Hydrosoma, 56. 



Hydrotheca, 66, 67. 



Jfydrozoa, characters of, 52, 53 ; terminology 

 of; 53,56; reproduction of, 62, 66; divis- 

 ions of, 57. 



Hylobates, 318. 



Ilymenoptera, 160. 



Hyracoidea, 287 ; general characters of, 303. 



Hyrax, 304. 



Hystricidce, 311. 



Ibis, 269. 



Ichneumon, 160. 



Ichthyomorpha, 227. 



Ichthyophthira, 138. 



Ichthyopsida, 204. 



Ichthyopterygia, 237; cLaracters of, 249. 



Ichthyosaurus, 249. 



Iguana, 246. 



Ilyanthus, 87. 



Imago, 150, 151. 



Imperforata (Foraminifera), 35. 



Individual, definition of, 53-55. 



Infusoria, 27, 45 ; general characters of, 46 ; 

 distribution of, in space, 49. 



Insecta, 127; general characters of, 146; or- 

 gans of the mouth of, 147; digestive sys- 

 tem of, 148; metamorphoses of 150; orders 

 of; 153-163. 



Insectivora, 287; general characters of, 313, 

 314. 



fnsessores, 265, 274. 



Invertebrates, general characters of, 15, 16, 

 196. 



Isis, 91, 92. 



Isopoda, 133. 



lulus, 145. 



Jaguar, 309. 

 Jelly-fishes, 64, 65, 74. 

 Jerboa, 811. 

 Jumping-mouse, 811. 

 Jungle-fowl, 272. 



Kangaroo, 290, 291. 

 Kangaroo-bear, 290, 291. 

 King-crab, 133, 134. 

 Koodoo, 303. 



Labium, 148. 



Labrum, 147. 



Labyrinthodontia, 226, 232. 



Lacerta, 245. 



Lacertilia, 237; general characters of, 245. 



LcBtnodipoda, 138. 



Lagena, 34, 35. 



Lagopus, 272. 



LamellibrancJiiata, 165, 174 ; general char- 

 acters of, 176; shell of, 178; respiration of, 

 179; habits of, 180. 



Lamprey, 216, 217. 



Lamp-shells, 167, 174. 



Lancelot, 197, 203, 204, 212. 



Land-salamanders, 229, 230. 



Laniidce, 276. 



Lapwing, 269. 



Laridw, 267. 



Larks, 276. 



Larva (of Insects), 150, 151. 



Leeches, 121, 122. 



Lemming, 811. 



Lemurs, 316. 



Leopard, 309. 



Lepadidce, 137. 



Lepidoptera, 159. 



Lepidosiren, 212, 213, 216, 223, 224. 



Lepidostem, 220. 



Leporidce. 311. 



Lemoe,a, 138. 



LibellulidoK, 156. 



Lice, 153. 



Limulus, 134. 



Lingual ribbon (of Mollwca), 181, 182. 



Lingula, 174, 175. 



Lion, 309. 



Liver-fluke, 112. 



Lizards, 245. 



Lobster, 129, 130. 



Lob-worm, 124, 125. 



Locustidoe, 155. 



Lophobranchii, 220. 



Lophopus, 170. 



Lophortyx, 272. 



Lories, 274. 



Lucernaria, 78. 



Lucernarida, characters of, 78; develop- 

 ment of, 79, 80 ; structure of reproductive 

 zotiids of, 80-82. 



Lumbricidce, 122. 



Lurribricus, 123. 



Lynx, 309. 



Macaque, 317. 



Maccaw, 274. 



Macropodidce, 290. 



Macroscelides, 314. 



Macrura, 129. 



Madreporiform tubercle, of Echinus, 98; of 

 Star-fishes, 101 ; of Holothurians, 106. 



Malacodermata (Zoantharia), 86. 



Malacopteri, 219. 



Mallophaga, 153. 



Malpighian vessels, of Insects, 149. 



Mammalia, 205; general characters of. 280; 

 skeleton of, 281; teeth of, 282; digestive 

 system of, 201 ; circulatory system of, 284 ; 

 respiratory system of, 285 $ nervous system 

 of, 285; integumentary system of, 286; 

 orders of, 287. 



Mammoth, 305. 



