Index 



Neptuuea mucronata, 174, 175. 

 Nettion carolinense, 82. 

 Nevada diastrophic valleys, 158. 

 Nevada mountain ranges, important 



features of, 139. 

 Neverita recluziana, 71. 

 Nordenskiold, Otto, 317. 

 Note on a Gigantic Bear from the 



Pleistocene of Rancho La Brea, 



163. 



Notes on the Dentition of Omphalo- 



saurus, 329. 



Notes on the Later Cenozoic History 

 of the Mohave Desert Region in 

 Southeastern California, 333. 



Notes on the Relationships of the 

 Marine Saurian Fauna described 

 from the Triassic of Spitzbergen 

 by Wiman, 317. 



Nucula, 173. 



truncata, 173, 175. 



Nyctea, 393. 



Ochsner, W. H., 401. 



Odoeoileus, 194, 196. 



Odontoglossae, 82. 



Oil, indications of in Sargent oil field, 

 75. 



Oil Canon, 175. 



Oil wells on La Brea Creek, logs on, 

 76. 



Olivella boetica, 71. 



Olivine basalt flow, Black Mountain, 



366, pi. 42 opp. p. 370. 

 Olor paloregonus, 82. 

 Omphalosaurus, 325, 326, 329, 330, 



331, 332. 



Omphalosaurus, Notes on the denti- 

 tion of, 317. 

 Ophidian remains, 211, 213, 214, 233. 

 Oregon, University of, 236. 

 Oreodontidae, 276. 

 Oreortyx, 398. 



picta, 397, 400. 

 Orindam formation, California 72, 232. 

 Oro Grande series, 336. 

 Oro Grande station, California, 336. 

 Osborn, Henry F., 203, 251. 

 Ostrea, 68, 71. 

 Otogyps, 306. 



calvus, 313. 

 Otus asio, 395, 399. 

 Pacific Live Stock Company, 23. 

 Pah-Ute Lake, Nevada, 378. 

 Pajaro Valley, 57. 

 Palaeolagus, 206. 



nevadensis, 205, 214, 253, 255. 

 Palaeomeryx, 280, 283, 301, 302. 



borealis, 280. 



gilli, 83. 



Palaudicolae, 82. 



Panopea generosa, 68. 

 Parahippus, 206, 207, 215, 217, 221, 

 257, 261, 262. 

 avus, 261. 



compare avus, 205, 214, 261 . 

 brevidens, 261. 

 crenidens, 261. 

 nebrascensis, 261. 

 Passeres, 83. 



Pawnee Creek beds, Colorado, 206. 

 Payne, F. M., 23. 

 Peavine Mountain, 92, 94. 

 Pecten ashleyi, 68. 



oweni, 68. 



peclehami, 64. 

 Pedunculitis septentrionalis, 68. 



veatcliii, var. major, 173, 175, 176. 

 Pedioecetes nanus, 83. 



phasianellus columbianus, 83. 

 Pelecanus erythrorynchus, 82. 

 P erissolax tricar natus, 174. 

 Peromyscus, 211, 213, 214, 253, 255. 



antiquus, 211, 213, 214, 253, 255. 

 Pessopteryx, 324, 325, 326. 



minor, 318. 



nisseri, 318. 

 Pessosaurus, 324. 



polaris, 318, 323, 324, 326. 

 Peterson, O. A., 261. 

 Phalacrocorax macropus, 82. 

 Phalarodon, 320, 326. 

 Phoenicopterus, copei, 82. 

 Pholadomya nasuta, 173. 

 Pine Forest Range, 24, 29. 

 Pine Nut Range, 140, 151. 

 Pinole Tuff, California, 232. 

 Pisces, 233. 

 Pitchstone, 100. 

 Planorbis, 343, 359. 

 Plateau, the High, geomorphic feature 



of the Sierra Nevada, 110. 

 Plateau and summits, significance of 

 as geomorphic features of Sierra 

 Nevada, 111. 

 Plateau remnant, geomorphic feature 



of the Sierra Nevada, 128. 

 Platigonus, 274. 

 Platygonus rex, 230. 

 Playas, 371. 



Pleistogyps rex, 8, 9, 16. 

 Pliauchenia, 168, 169, 211, 214. 

 Pliohippus, 207, 208, 211, 212, 214, 



215, 216, 217, 219, 221, 232, 263, 



264, 265. 

 supremus, 230. 

 Podilymbus podiceps, 82. 

 Potamotherium laeota, 250. 



[451] 



