II 



I'AI.IFOltNIA AC'ADKMY OK SCIKNCES. 



OlitKtta inlorla Cakpkntkii 



Oliveila ptdronna Conka i> 



Opalia borratU QoDLO 



O/mlia crrnitoiilft ^M. infulpln CaRPKATKR. . . 



Piifhi/itoma inin/ii(i/f M artvs 



Pnludfutritta ruTtn, sp. nov 



Palud'ttrina »loke»i, 8p. nov 



PhtviinnrHn rom/iln GoOLli 



/'horruf pulliijo MartvN 



Phym heterottropha Sav 



Pinania forti* Carpentkr 



Planorbu tumidun Pfeiffkr 



Plnnorhii vermirulitrin OoDLl) 



PUuroloma {Bormnia) barl'chi, sp. nov 



Plfurotoma (DoUchotomn) carpenttriana Gabb. 



Plturotoma (holieholoma) eooperl, sp. nov 



/'Uurotoma {Bomonln) dnlli, sp. nov 



Pleurotoma {Bormnia) hooreri, sp. nov 



PUuroloma {Leucoin/rinx) prdroana, sp. nov. . . 



S.1, 



X 

 X 

 X 

 X 

 X 

 E 

 E 

 X 

 X 

 X 

 E 

 S 

 N 

 E 

 X 

 E 

 E 

 E 

 E 



Pleurotoma ptrvertn Gabb X 



PUuroloma (DriUin) r-naudl, sp. nov E 



PUuroloma [Spirotrop'i') innilhi, sp. nov E 



PUuroloma {Dolirholoma) tryoninna Gabb X 



Pomaulax mh</o«u« Wooii X 



Prime ortgonenai' Rkdfield X 



Punrlurelln tucuHala GoDLD N 



Punclurella gaUala Gould N 



Purpura crinpata Chemnitz N 



Purpura taxieola VALRSCiESNEa X 



PyramidrUa eonica var. variegaUi Carpenter ' S 



Ranflla eali/omUa SmuH X 



Rituoa acuUllrata Carpenter S 



Seala bellaslriata Carpenter X 



Seala crebricotlala Carpenter X 



Seala h'.mphilli Dall j E 



Plbistockhk. 



rpiH-r Snii Pedro. 



Be 



■va 



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R 



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B 

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R 



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 R 

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R 

 M 

 M 



R 



Iff 



M 



B 



B 



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 M 



Lower 

 San I'cdro. 



C 

 M 



M 



R 

 R 

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 B 

 B 



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PUOCKNK. 



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 M 



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 R 

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 M 

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