INDKX. 



261 



Periplonia argentaria Conrad . 



Page. 

 34 



sp ]9 



Perissolax blakei Conrad 12,15 



tricamatus Weaver 12 



17 



SP 



Petricola carditoides Conrad 



oognata C. B. Adams 



denticulata Sowerby 



Petrk'olaria cognala C. B. Adams . 



31 



34 



34 



34 



PhaooidesacutiUneatus Conrad 17, 19, 22, 24, 27, 



28, 31, 34, 57, 65, 79, 83, 89, 95, 104-105, 107-108, 117 



californicus Conrad 31,34,95.121 



crenulata 21 



nuttalli Conrad 27-28,84,95 



richthofeni Gabb 19,79,95.104 



tenuisculpta Carpenter 34 



turneri Stanton 12 



sp 17. 55, 57, 73, 84, 93, 117 



Phasianella compta Gould 36 



Pholadidea penita Conrad 31.34 



Pholadomya nasuta Gabb . 12 



Pholas LTUcigera Sowerby 22 



Phoreuspulligo Marty n 35 



Physa heterostropha Say 36 



Pinna alamedensis Yates ,... 19,23,83 



Pisania fortis Carpenter 24, 36, 64 



Pisces , 19,37 



Pismo formation, equivalents of U) 



Plagioi-tenium 41.50 



andersoni 18,21.23,37,47.50,79,83-83,89, i.W 



var. barkerJanus 18-19. 37, 50, 83-84, 196 



cerrosensis Gabb 26, 28-29. 



37. 50, 63, 77, 84, 98-99, 107. 123-124, 125, 133, 232, SI.2 



var. mendenhalll 19, 



21, 22. 23. 37, 50, 60. 63, 84-86, 86, 7W 



circularis Sowerby 33-34, 



37, 50, 87-88, 125-126, 133, 2^8, -232 



vnr. ii?quisulcatus Carpenter 33-34, 



37. i.5. 1,6, 50. 88-89. 124-125, 132-133, 2a 



cooperi 26. 28-29, 37, 50. 124-125, 21,2 



deserti Conrad 19, 22. 38, 50, 85, 196 



discus Conrad 21, 23-24, 38, 50. 71. 73. 80, 82, 86-87. 19S 



eldridgei 23, 24, 38, 50, 87, J.9i 



neahensis 19, 21, 23. 39, 50, 87-88, i7i 



iieu'somi Avnold 132 



pabloensis 23, 39, 50, 63. 86, 88-80, 198 



paucicostatus Carpenter 39. 50, 137, 222 



nubvcntricosus Dal 1 123, 125. 232 



ventricosns Dall 132 



ventrkosus Sowerby 123, 125, 132 



Plagiostoma ami i/latiiii Trask 90 



PrdnxjiHi Trask 90 



trimcata Trask , 90 



Planorbis tumidus Pfeiffer 36 



vermicularts Gould 36 



Platyodon cancellatus Conrad 34 



Pleistocene rocks, formations of 9-10, 31-37 



fan na of 33-37 



nccurrence of 9,31 



pectensof 33,37-10,43, 



94, 101, 103, 109. 111-114, 116, 126-136, 210-212, 22U. 250 



Plesiastrea californica Vaughan 22 



Pleurotoma bartschi Arnold 31,36 



carpcnteriana Gabb 36. 117 



coopert Arnold 36 



dalli Arnold 31.36 



hooveri Arnold 36 



pedroana Arnold 36.84 



Page. 



Pleurotoma perkinsiana Cooper 15 



perversa Gabb 28,31,36,103 



raricostata Gabb 17 



renaudi Arnold 31,36 



smithi Arnold 31.36 



tryonianaGabb 36, 117 



sp 17. 28, 30, 84, 91, 116, 123 



Plicatula 46 



ostreiformis Stanton 12 



Pliocene rocks, fauna of 26-31 



formations of 9-10, 25-31 



occurrence of 9, 25 



pectens of 26-27. 29, 37-40, 42-43, 



62. 64, 77. 91, 94-127. 152, 16!,-166, 200, 201^-228, 232-21,3 



PododesmusmacroschismaDeshayes 28,30,34 



Polynices recluziana Deshayes 22 



Pomaulax undosus Wood 36 



sp 104 



Porter. Wash., rocks near 15 



Potamides carbonioola Cooper 15 



da visiana Cooper 15 



Priene oregonensis Redfield 28. 



31,30.91.95.103,116-117,121,123 



sp 24 



Prionodesmacea 41-250 



Propcamusium Gregorio 41 , 50 



alaskensis Dall 33, 37, 50. 127. 133-134, 138, 250 



clallamensis 14. 16. 37, 50, 53, 57-58, 59, 150 



fenestratus Forbes 50 



inequisculptus Tiberi 50 



interradiatus Gabb 14, 38, 50. 53-54. 59, 91, IhS 



river.si 27, 29, 39, 50, 126-127, 134, 232 



stanfordensis 14.19, 21. 39, 50, 53, 58, 59. 01-92. VM 



waylandi 14, 16, 39, 50. 53, 5S-S0, 150 



Protocardia centifilosa Carpenter 31 . 34 



Psammobia edentula Gabb 19, 34 



Psephis lordi Baird 30 



salmonea Carpenter 34 



tantilla Gould 34, 103 



Pseudamusium H. and A. Adams 41, 50 



Alaskensis Dall 133 



davidsoni Dall 38,50,134, 138, 5U 



exoticus Chemnitz 50 



lompicoensis 21, 38, 60, 89, 190, 198 



peckhami Gabb 16-17, 



19, 21 , 39, 47. 50, 55, 66-67, 89, 138, 139, 150 



pedroanus Trask 21, 



23, 27, 39, 50, 90-91, 92, 116, 123, 138-139, 200 



randolphi Dall 39, 50, 89, 91, 138-139, 2h0 



var. tillamookensis 39. 50. 139, 2m 



vaneouverensis Whiteaves .... 39, 50. 101. 133. 139, 140, 21*8 



Psendocardium gabbi Esmond 24 



Pteria limula Conrad 52 



Pterohytis fnliatus Martyn 36 



nuttalli Conrad 36 



Ptenmotus festivus Hinds 36 



Puget group, equivalents of 10 



Puncturella cucuUata Gould 31 , 36 



galeata Gould 31,36 



Purisima Creek, Cal., rocks near 25 



Purisima formation, character of 26-26 



equivalents of 10 



fossils of 26-28 



occurrence of 9, 25-26 



pectens of 26-27, 37-40 



Purpura canaliculata Duclos 24. 30 



crispata Chemnitz 28,36,117 



saxicola Valenciennes 24,30,36 



