ARNOLD — THE PALEONTOLOGY AND STRATIORAPHY OF SAN PEDRO. 



63 



Otivella pedroana Conrad 



Opalin anomala Stearns 



Opalin varicostata STEARNS 



Ostrca luriiia Carpenter 



Ottrea vealchi ( ? ) Gabb 



Pectfn expaiisus Dall 



Pecten hastnlus Sowerbv 



Pecten hf.mphilli Dall 



Pecten hericeus Gould 



Pecten latiaurilus Conrad 



Pecten latiaurilus var. monolimiris Conrad. 



Pecten opuntia Dall 



Pecten steanisii Dall 



Pecten subventricosus Dall 



Pecten ventricosus Sowebby 



Periploma argenlaria Conrad 



Petricola cardiloides Conrad 



Phasianella compta Gocld 



Piaania fortia Carpenter 



Pleurotoma carpenteriana Gabb 



Pododesmus macroschisma De.shayes 



Pomaulax undosua Wood 



Pteronotus /estivus Hinds 



Purpura crinpata Chemnitz 



Raneiln cali/ornica Hinds 



Saxidomus aratus Godld 



Scala crebricoslata Carpenter 



Scala lincta Carpenter 



Semele decisa Conrad 



Semek pulckra Sowerby 



Serpulorbis squamigerus Carpenter 



Siliqua lucida Conrad 



Sitiqua patula Tar. nultalli Conrad 



Siphonalia keUettii Forbes 



Solcn rosaceus Carpenter 



Strongylocenlrotus purpuralus 



Tagelus californianus Conrad 



Tapes slaminea Conbad 



Plbistocbne. 



Pliocbne. 



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