428 



INDEX, 



Hystricomorplia, 390. 

 Hystrix, 391. 



Ibex, 400. - 

 Ibis, 348. 

 Ichthyophis, 28S. 

 Ichthyopsida, 226. 

 Ichthyopterygia, 312. 

 Ichthyornis,-344. 

 Ichthyosauria, 312. 

 Ichthyosaurus, 313. 

 Ichthyotomj, 237. 

 Ictobius, 255. 

 Ictopsidas, 385. 

 Iguanidse, 319. 

 Iguanodon, 317. 

 Ileocolic valve,- 36. 

 Iliac artery, 190. 

 Iliac vein, 197. 

 Ilium, 171. 

 Impennes, 347. 

 Implacentalia, 375, 

 Impregnation, 5. 

 Incisors, 364. 

 Incus, 74, 159. 

 Indeciduata, 374. 

 Indicator, 348. 

 Indris, 415. 

 Ineducabilia, 361. 

 Infraclavicle, 169. 

 Infratemporal fossa, 166. 

 Infundibula, 30. 

 Infundibulum, 52. 

 Ingluvies, 34. 

 Inia, 408. 

 Iniomi, 256. 

 Innominate vein, 197. 

 I-nsectivora, 384, 

 Insertion of muscle, 112. 

 Intercalary- cartilages, ^34. 

 Intercentrum, 137. 

 Intercostal arteries, 191. 

 Intercostal vein, 196. 

 Interhyal, 244. 

 Intermedium, 176. 

 Internal carotid, 183. 

 Intemasal gland, 21. 

 Interoperculum, 161. 

 Interrenal, 131. 

 Interspinalia-, 230. 

 Interspinous ligament, 137. 

 Intestinal caecum, 39. 

 Intestinalis nervcf 64. 

 Invaginatipn, 5. 



Invertebrates, 1. 

 Involuntary muscle, 12. 

 Ipnops, 256, 

 Iris, 83. 



Ischiatic artery, 191. 

 Ischiromyidge, 390. 

 Ischium, 171. 

 Ischyodus, 242,- 

 Ischyrhiza, 257. . 

 Isectolophus, 395. 

 Isinglass, 251. 

 Isodectes, 305. 

 Isolating ceUs, ^. 

 Isospondyli, 255. 

 Isteus, 257. 

 Iter, 50. 

 Ivory, 19. 

 lynx, 351. 



Ja9ana. 349. 

 Jackal, 412. 

 Jacobson,. organ of, 77. 

 Jacobson's commissure, 63. 

 Jaguar, 412. 

 Jerboa, 390. 

 Jugal, 163. 

 Jugular fins, 231. 

 Jugular foramen, 166. 

 Jugular vein, 183. 

 Jumping mice, 390. 

 Jumping shrews, 385. . 

 Jungle fowl, 350. 



Kangaroo, 380. 

 Kangaroo rat, 380. 

 Keraterpeton, 283. 

 Keratobranchial, 154. 

 Keratohyal, 155. 

 Kidney, 122, 

 Killer whale, 408, 

 Killifish, 257. 

 Kingbird, 351. 

 Kingfisher, 348. 

 King of the herrings, 242. 

 Kinostemidce, 311. 

 Kinostemon, 311. 

 Kiwi, 346. 

 Knee pan, 360. 

 Koala, 380. 

 Kogia, 409. 

 KupfFer's vesicle^ 254, 



Labial cartilage, 156. 

 Labridae, 260. 



Labrus, 260. 

 Labyrinth, 71. 

 Labyrinthici, 262. 

 LabjTinthodon, 284. 

 Labyrinthodonta, 283. 

 Labyrinthodontidae, 284- 

 Lacerta, yzo. 

 Lacertidae, 320. 

 Lacertiha, 318. 

 Lachrymal bone, 161. 

 Lachrymal duct, 76. 

 Lachrymal gland, 84. 

 Lactophiys, 267. 

 Lacuna, 15. 

 Laelaps, 316. 

 Lagena, 71. . 

 Lagomorpha, 39X. 

 La^myidae, 391. 

 Lagomys, 391. 

 Lagostomus, 391. 

 Lamella, 15. 

 Lamina cribrosa, 357. 

 Lamina terminalis, 50. 

 Lamna, 239. 

 Lamnidas, 239. 

 Lampetra, 223. 

 Lamprey eels, 223. 

 Laopteryx, 344, 

 Laosaurus, 317. 

 Lariosaurus, 306, 

 Larus, 349. 

 Larynx, ^. 

 Latemhs nerve, 64. 

 Lateral line, 68. 

 Lateral plate zone, loi. 

 Leather back tortoise, 310^ 

 Leather turtle, 310. 

 Lebias, 257., 

 Lemming, 39a 

 Lechriodonta, 285. 

 Lemur, 415, 

 Lemuridce, 415. 

 Lerauroidea, 414. 

 Lens, 81. 

 Leopard, 412. 

 Lepidocottus, 260. 

 Lepidopus, 263. 

 Lepidotus, 252. 

 Lepidosauria, 317. 

 Lepidosicen, 273. 

 Lepidosteidae, 251, 

 Lepidosteus, 251. 

 Lepomis, 259. * 



Leporidae, sgr, . . - 



