NO. 2 HARTMAN : QUANTITATIVE SURVEY 417 



G Pedicularia calif ornicn Newcomb ; CW 



P Periploina discus Stearns ; LH, SP 



P Pcriplotiia planiuscula Sowerby ; PV, SP 



P Periplonia sp. ; SP 



Ci Philine sp. ; CL 



P ?P/agioctenium circularis (Sowerby) ; PV, SP 



G Pleurohranchaea sp. ; CL 



P Pododesfiius /iiacroschisfnus l^f^hnyes; PV 



G Polinices cf . draconis Dall ; PV 



G Polinices lewisii Gould ; SP, NE 



G Po/imV^5sp.;PV, SP 



P Poromya sp. ; LH, SP 



SO Prochdi'toilcriiia calif or nica Schwabl ; SP, CL 



P Protothaca staminca (Conrad) ; PV 



P Protothaca tcncrrinia Carpenter ; LH 



P Psephidia lordi Baird ; SP 



P Psephidia sp. ; SP 



P Pscudamusiuin lincongruus (Dall) ; SP 



P Pseudochaina exogyra (Conrad) ; CL 



P Pseudopythina chacei (Dall) ; SP, NE 



P Pseudopythina sp. ; PV 



G Ptcrynotus carpenteri Dall ; CL 



C] Pterynotus petri (Dall) ; CL 



G Pterynotus sp. ; CL 



G Puncturella cucullata (Gould) ; CL 



G Puncturella galeata (Gould) ; CL 



G Pusula calif ornica (Gray) ; CL 



G Retusa harpa Dall ; SP 



P Roche fortia aleutica Dall ; PV, SP, NK 



P Roche fortia cf. golischi Dall ; SP 



P Roche fortia tumida Carpenter ; NE 



P Rochefortia spp. ; LH, PV, SP, NE 



P Saxicava arctica (Linnaeus) ; PV, SP, LS, CL, CW 



P Saxicava cf. rugosa (Linnaeus) ; CL 



P Saxicavella pacifica Dall ; PV, SP, NE, LS 



P Semele pulchra (Sowerby) ; CL 



