423 



INDEX. 



Lagena, 236, 240. 



Lagidium, 361. 



Lagomj-s, 362, 364. 



Lagopus, 66, 69, 70. 



Lagostomus, 361. 



Lagothrix, 395, 395. 



Lake fauna, 126. 



Lamullibraachiata (deep-sea), 113 ; 



geological distnbution of, 271. 



(See MoLLDscA. ) 

 Laminarian zone, 262. 

 LUmmergeier, 71. 

 Lamna, 297, 300. 

 Lamprey, 68, 299. 

 LaniidiE, 65. 

 Laophis, 327. 

 Laopitheous, 400. 

 Laopteryx, 330. 

 Laornis, 330. 

 Laosaurus, 1C2. 

 Lar, 397. 



Laramie foimation, 203, 210. 

 Lark, 66. 

 Lark-bnnting, 65. 

 Latos, 288, 289. 

 Latlmisaiidra, 247. 

 Laurentian Q) fauna, 134. 

 Leaf-nosed bats, 352. 

 Leda, 207. 

 Leiodon, 169. 

 Lcipoa, 101. 

 Leiotricbida;, 94, 107. 

 Lemming (Myodes), 357. 

 Lemuravus, 403, 

 Lemuria, 87, 402. 

 Lemuroidca, 393. 

 Lemurs, distribution of, 401. 

 Leopard, 18, 383, 384. 

 Leperditi.!, 140, 272. 

 Lepidoptera, 96, 279, 280, 284. 

 Lepidosiren, 80, 302, 304. 

 LeiiidosteruOD, 319. 

 Lepidosteus, 68. 

 Lepidotus, 302. 

 Lepilemur, 401. 



Leptictis, 348. 



Leptobos, 378. 



Loptolepis, 302, 30-3. 



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. 

 Limnaea, 69, 261, 264. 

 Limnobyus, 372. 

 Limnophis, 327. 

 Limnotherium, 403. 

 Limulus, 207, 278. 

 Ling (Molva), 69, 294. 

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

 Lingulella, 137, 139, 145. 

 Lingulcpis, 255. 

 Linnet, 65, 70. 

 Linota, 70. 

 Lion, 36, 384. 

 Listriodon, 369. 

 Lithentomum, 146, 282. 

 Lithophis, 327. 

 Lithostiotiou, 151, 215, 249. 

 Littoral fauna, 124. 

 Littoral zone, 262. 

 Lituites, 145. 

 Lizards, dispersal of, 45; distribvt- 



tion of, 315. 

 Llama, 375. 

 Loach, 288. 

 Lobites, 267. 

 Lophiodon, 369. 

 Lophohelia, 243, 244. 

 Lopliophorua, 66. 

 Lophopsittacus, S33. 

 Lophotragus, 72. 

 Loris, 402. 

 Lota, 69. 

 Loxodon, 365. 

 Loxolophodon, 867. 



