Index 



santacrucis, 268. 



tenuisculpta, figure of, 554. 



turneri, figure of, 164. 

 Phalacrocorax, 35. 

 Pholadomya nasuta, figures of, 162. 

 Pico Canon, California, 207. 

 Pilot Mountains, Nevada, 356. 

 Pinna alamedensis, 446; figure of, 

 526. 



barrowsi, 125; figure of, 160. 

 Pinole Tuff, California, 389, 395; re- 

 lation to San Pablo group, 399, 

 408. 



Pirsson, L. V., cited, 224. 



Pitaria foehri, 467; figures of, 538. 

 stalderi, 468; figures of, 536. 



Plicatula ostreaformis, figure of, 162. 



Pliocene, of California, 181; Hum- 

 boldt, 278. 



Pneumatolitic methods, 231. 



Powers, J. R„ 88. 



Principle of diffusion, 236. 



Proboscidean Tooth, A, from the 

 Truckee Beds of Western Ne- 

 vada, 305. 



Protohippine forms of land mam- 

 mals, 285. 



Psammobia (?) cylindrica, 139; fig- 

 ures of, 168. 

 hornii, figure of, 166. 



Pseudocardium gabbi, 390. 



Puffinus, 35. 



Pyrite, at Ely, Nevada, 312. 

 Pyroelastie dykes, Ely, Nevada, 317; 



inclusions in, 318. 

 Quartz blout, 316. 

 Quartz-porphyry, 228. 

 Quartzite, 234. 

 Querquedula, 36. 



Rancho La Brea, California, 320, 

 322 



Rangia, sp., 44. 



Ransome, F. L., 102; cited, 236, 238. 



Reinhardt, .T., cited, 333. 



Remains of Land Mammals fro'n Ma- 

 rine Tertiary Beds in the Tejon 

 Hills. California, 283. 



Resorption, 224. 



Rhinoceros pacificus, 278. 



Rhinocerotid ? tooth, figure of, 288. 



Rhvnchonella (?) sp., 122; figures of, 

 ' 158. 



Ricardo peneplain, 260, 270. 

 Ringinella. cf. pinguis, 265; figures 



of, 178. 

 Rivers, .J. J., 190. 



Rock Creek, California. 289; fault, 

 297; quadrangle, 290; map of, 

 291. 



Rosenbush, cited, 229. 

 Russell. I. C, cited, 345. 

 Ruth mine, Ely, Nevada, 236. 

 Sales, cited, 3. 10, 13, 14. 

 Salton Sea, California, 44. 



San Fernando Pass, California, 207. 

 San Fernando Valley, California, 209. 

 San Francisco Basin, 299. 

 San Gabriel Range, California, 205, 

 290. 



San Juan River, California, 260. 



San Pablo formation (group), 365; 

 stratigraphic range of echinoids, 

 366, and relationships of, 367; 

 geographic occurrence, 393; 

 stratigraphic position and gen- 

 eral character in middle Cali- 

 fornia, 395; relation to Monte- 

 rev group, 398, 408, 412, 414; re- 

 lation to Pinole Tuft, 399, 408; 

 relation to Orindan formation, 

 408; list of known species in, 

 416; fauna of, 424, and relation 

 to Recent fauna, 427; correla- 

 tions, 428; discussion of, 437; 

 position in the neocene section 

 of California, 434; relation to 

 Jaealitos formation, 435; rela- 

 tion to Santa Margarita forma- 

 tion, 435; relations to Etche- 

 goin and other formations cor- 

 related, 434; relation to Scutel- 

 la breweriana beds, 436; map of, 

 572. 



San Pablo Sea, temperature condi- 

 tions, 427. 



Sanguinolaria ?, 477; figure of, 552. 

 alata, 476; figure of, 552, 554. 

 nuttallii, figure of, 552. 



Santa Ana Mountains, California, 

 geologic history, 269; faulting, 

 270; geologic map, 272. 



Santa Ana River, California, 258. 



Santa Clara River Valley, Califor- 

 nia, 204. 



Santa Cruz folio, cited, 68; quadran- 

 gle, eocene (?) of, 102. 



Santa Margarita formation, relation 

 to San Pablo formation, 435. 



Santa Paula, California, 204. 



Santa Rosa Mountains, California, 

 44. 



Santiago Peak, Santa Ana Range, 



California, 258. 

 Saturation of sedimentary rocks, 223. 

 Saunders, Fred, 183. 

 Saxidomus (?) noblei, 300; figure of, 



304. 



nuttallii, figures of, 544. 

 Schizaster leeontei, 121; figures of, 

 156. 



Schizothaerus nuttallii, figure of, 548. 

 Scotia, Humboldt County, California, 



186; new species from Wild Cat 



series, 185. 

 Seutella (?) breweriana, 371, 390; 



beds, relation to San Pablo 



formation, 436. 

 fairbanksi, 268, 368. 



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