Index 



Lamna appendiculata, 250. 



Latax, 494; distribution, 470; classi- 

 fication and relationships, 470; 

 nature of characters separating 

 it from Lutra, 473 ; osteology of 

 skull, 476; dentition, 478; figures 

 of teeth, 478; carnassials, 479; 

 evolution of dentition, 480; neck 

 and trunk, 481;- tail, 482; verte- 

 brae, 483; sacrum, 484; chevron, 

 484; relation of vertebral char- 

 acters to aquatic adaptation, 

 485; scapula, 485; ribs, 486; 

 pelvis, 486; relation of charac- 

 ters of pelvis to aquatic adapta- 

 tion, 487; fore limbs, 488; hind 

 limbs, 489; ligamentum teres, 

 489; stage of evolution, 491; 

 variation, 493. 



Latax lutris, 466; figure of skull, 

 477. 



lutris, 468, 470. 



nereis, 407, 470; figures, 467, 478; 

 osteological and dental charac- 

 ters apparently related to aquatic 

 adaptation, 473; characters ap- 

 parently not related to aquatic 

 adaptation, 475; figures of verte- 

 brae, 483; figures of pelvis, 487; 

 figure of posterior limb, 490. 



Lavas of Monterey series, 237. 



Lawson, A. C, 325, 378; cited, 138, 

 144, 195, 199, 215. 



Leidy, J., cited, 171, 174, 318, 320, 

 348, 356, 365, 413, 414, 415. 



Lepus, 383. 



Lepus klamathensis, 155, 164. 



californicus, 163. 

 Leriche, Maurice, 244. 

 Limonite, 13. 



Lindgren, W., 258; cited, 260, 263, 

 444. 



Lompoc quadrangle, California, 23. 



Los Alamos Valley, California, 23. 



Los Angeles, California, 211. 



Louderback, G. D., 21, 177. 



Lucas, F. A., acknowledgment of as- 

 sistance, 62; cited, 65. 



Lutra, 494; nature of characters sep- 

 arating it from Latax, 473. 

 canadensis, 467, 468; osteological 

 and dental characters apparently 

 related to aquatic adaptation, 

 473; characters apparently not 

 related to aquatic adaptation, 

 475; figures of skull, 477; of 

 teeth, 478; of vertebrae, 483; of 

 pelvis, 487; of posterior limb, 

 490. 



Lutrinae, 471. 



McKittrick-Sunset region, California, 

 221. 



McLaughlin, A. C, 243. 



Malachite, 15. 



Mancalla californiensis, 67. 



Manganite, 14. 



Manganocalcite, 15. 



Manix, California, 444. 



Manix beds, map of, opp. 458; plate 



illustrations, opp. 460, 462. 

 Manix Lake, California, origin, 454; 



disappearance, 455. 

 Marsh, O. C, cited,. 94. 

 Martes, 494. 



Martin, Bruce, 143, 169, 172, 268. 



Martinez, California, 414. 



Marysville Buttes, fauna of Eocene, 

 257; map of, 262; Cretaceous of, 

 263; climatic conditions, during 

 accumulation of Eocene of, 267. 



Matthew, W. D., cited, 310, 323, 364, 

 370, 371, 424. 



Megalonyx, 341. 



Megalonyx californicus, 352; figures 

 of, 353, 354, 355, 357. 



Megalonyx zone, 106. 



Mephitis, 494. 



Mercerat, A., cited, 94. 



Merriam, C. H., cited, 84, 109. 



Merriam, J. C, 39, 82, 258, 305, 335, 

 359, 373, 388, 397, 419, 435, 468, 

 cited, 48, 75; note, 152, 167, 169, 

 201, 205, 423, 435, 436, 439, 451, 

 467. 



Merychippus, 377; figures of, 375. 

 Merycodus, 337. 



eoronatus, figures of, 336. 



necatus, 338; figures of, 338. 

 Mesozoic of Nevada, 334. 

 Microtus californicus, 160, 166. 

 Miller, L. H., 61, 350, 388. 

 Millis, H. A., acknowledgment of as- 

 sistance, 243. 

 Mina, Nevada, 420. 

 Minerals of Tonopah, Nevada, The, 1. 

 Mitchell, W. C, acknowledgment of 



assistance, 243. 

 Mixosaurus, 495. 



Mizpah shaft, Tonopah, Nevada, 8; 

 vein, 14. 



Modelo formation, 181; sandstones, 

 186. 



Mohave Desert, California, 119, 435, 

 443; faulting, 131; peneplain, 

 137 ; post-Miocene peneplain, 138. 



Mohave fauna, 384. 



Mohave Miocene, 335, 427. 



Molybdate, 18. 



Montana-Tonopah mine, 15, 17. 



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