Index 



Neverita globosa, figures of, opp. 

 510. 



secta, figure of, opp. 510. 

 New Horses from the Miocene and. 

 Pliocene of California, 49. 



Newberry, J. S., cited, 369. 

 Niagara escarpment, 27. 

 Nomland, J. O., 59, 77, 199; cited, 

 204. 



Notes on Capromeryx Material from 

 the Pleistocene of Rancho La 

 Brea, 111. 



Nubbins, 38. 



JNyctiloehus calif ornicus, figure of, 

 opp. 512. 

 diegoensis, 497; figures of, opp. 

 514. 



hornii, figure of, opp. 516. 



thunani, 496; figures of, opp. 514. 



whitneyi, figure of, opp. 514. 

 Oeinebra nashi, figures of, opp. 514. 

 Odostomia packi, 498; figure of, opp. 

 506. 



Oligocene, The Occurrence of, in the 

 Contra Costa Hills of Middle 

 California, 9. 



Oligocene of Oregon, separation of 

 faunas of from Lower Miocene, 

 10; species in common with 

 Agasoma gravidum zone, 19. 



Ono, California, fauna at, 152. 



Octatoor "roup of Southern India, 

 157. 



Oregon, University of, collection of 



Hipparion specimens, 6. 

 Oreodaphne, 414. 



Oroville, California, geological map 

 of. 393. 



Oroville South Table Mountain, list 

 of fauna from the Eocene of, 

 392. 



Osborn, IT. P., acknowledgment of 



assistance, 525. 

 Ostrea cf. appresso, figure of, opp. 



510. 



aviculaformis, figure of, opp. 512. 

 Otus asio, 100. 



Owl Remains, The, from Rancho La 

 Brea, 97. 



Pack, P. W., cited. 201, 371. 



Packard. E. L., 137. 261. 



Paige, Sidney, cited, 33 note 5, 34 

 note 7, 38. 



Panpan stage of geomorrihic cycle of 

 the desert, 33; rarely observed 

 in ideal completion, 33: a phe- 

 nomenon to be classified. 33. 



Paskenta horizon of Knoxville beds, 

 138. 



Pavo californicus, tarsometatarsus 

 90; tibiotarsus, 91; femur, 93; 

 humerus, 94; coracoid, 94; carpo- 

 metacarpus, 94. 



Pavo Californicus, A Review of the 

 Species, 89. 



Pecten coalingensis zone, 82. 

 Pence's Ranch, California, 139. 

 Peneplain, end stage of degradation 



in humid climate, 33. 

 Pentz (Pence's Ranch) California, 



390. 



Perissolax blakei, 368. 



gabbi, 497; figure of, opp. 506. 

 Persea, 414. 



Peterson, C. G., Job.., cited, 143, note 

 11. 



Phaeoides (myrtea) taffana, 485. 

 Phoenix, Oregon, type locality for 



Lower Chico, 139. 

 Pinus, 415. 

 Pityoxylon, 415. 

 Platanus, 414. 



Pliauehenia ? sp., 194; figures of, 

 195. 



Pliocene, The, of Middle and North- 

 ern California, 215. 

 Pliocene, of Middle and Northern 

 California, correlation of, 247; 

 259; fauna of, 251-258; Blanco, 

 of Texas, 528. 

 Pliohippus or Equus, 56, 79; figures 

 of, 57; transition between, 58; 

 relationship between, 525. See 

 also Equus. 

 Pliohippus coalingensis, 85. 



cumminsii, figure of, 531; measure- 

 ments of, 534. 

 fairbansld, 55; figures of, 55. 

 proversus, 526; figures of, 527, 529, 

 530. 531; measurements of, 534. 

 simplicidens, 56; figure of, 531; 



measurements of, 534. 

 cf. simplicidens, figure of, 531. 

 Point La Jolla, California, fauna of, 

 139. 



Point Loma, California, fauna of, 139. 

 Populus, 415. 

 Porter beds, 20. 



Procamelus, near gracilis, 189; fig- 

 ures of, 191, 192, 195. 

 Pi-otohippus sp., 188; figure of, 187. 



tehonensis, 52; figures of, 52. 

 Pseudoeardium gabbi, description of, 

 304. 



var. altum, 267; description 

 of, 307. 



var. elongatum, 265; descrip- 

 tion of,' 307. 

 var. robustum, 265; descrip- 

 tion of, 307. 

 var. unduliferum, 265; de- 

 scription of, 308. 

 landesi, 265; description of, 309. 

 Pnrisima formation, 241 ; fauna of, 



242 243 251-258. 

 Purpura turris, 86; figure of, opp. 88. 



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