ItfDEX. 



Lagena, 236, 240. 



Lagidium, 361. 



Lagomjs, 362, 364. 



Lagopus, 66, 69, 70, 



Lagostomus, 361. 



Lagothrix, 395, 396. 



Lake fauna, 126. 



Lamellibranchiata (deep-sea), 113 ; 



geological distribution of, 271. 



(See MOLLTJSCA. ) 

 Laminarian zone, 262. 

 Lammergeier, 71. 

 Lamna, 297, 300, 

 Lamprey, 68, 299. 

 Laniidse, 65. 

 Laophis, 327. 

 Laopithecus, 400. 

 Laopteryx, 330. 

 Laornis, 330. 

 Laosaurus, 162. 

 Lar, 397. 



Laramie formation, 203, 210. 

 Lark, 66. 



Lark-bunting, 65. 

 Lates, 288, 289. 

 Latimseandra, 247. 

 Laurentian (?) fauna, 134. 

 Leaf-nosed bats, 352. 

 Leda, 207. 

 Leiodon, 169. 

 Leipoa, 101. 

 Leiotrichidse, 94, 107. 

 Lemming (Myodes), 357. 

 Lemuravus, 403, 

 Lemuria, 87, 402. 

 Lemuroidea, 393. 

 Lemurs, distribution of, 401. 

 Leopard, 18, 383, 384. 

 Leperditia, 140, 272. 

 Lepidoptera, 96, 279, 280, 284. 

 Lepidosiren, 80, 302, 304. 

 Lepidosternon, 319. 

 Lepidosteus, 68. 

 Lepidotus, 302. 

 Lepilemur, 401. 



Leptictis, 348. 



Leptobos, 378. 



Leptolepis, 302, 303. 



Leptosomus (fossil), 331. 



Lepus, 362, 364, 365. 



Lestodon, 339. 



Libellulidse, 283. 



Light, penetration of, into water, 118, 

 128. 



Lima, 207. 



Limacina, 260. 



Limidae, 166, 272. 



Limnsea, 69, 261, 264. 



Limnohyus, 372. 



Limnopbis, 327. 



Limnotberium, 403. 



Limulus, 207, 278. 



Ling (Molva), 69, 294. 



Lingula, 137, 139, 145, 253, 255, 257. 



Lingulella, 137, 139, 145. 



Lingulepis, 255. 



Linnet, 65, 70. 



Linota, 70. 



Lion, 36, 384. 



Listriodon, 369. 



Lithentomum, 146, 282. 



Litbopbis, 327. 



Litbostrotion, 151, 215, 249. 



Littoral fauna, 124. 



Littoral zone, 262. 



Lituites, 145. 



Lizards, dispersal of, 45 ; distribu- 

 tion of, 315. 



Llama, 375. 



Loach, 288. 



Lobites, 267. 



Lophiodon, 369. 



Lophohelia, 243, 244. 



Lophopborus, 66. 



Lophopsittacus, 333. 



Lophotragus, 72. 



Loris, 402. 



Lota, 69. 



Loxodon, 365. 



Loxolophodon, 367. 



