34 



TERTIARY AND QUATERNARY PECTENS OF CALIFORNIA. 



Lixt of San Pedni fannation {Plehtocciie) fossila — CnntiiiniMl. 

 I'ELECYPODA — contiiiuetl. PELECYpoDA — continued. 



Mactra exoleUi Gray. 



Mactra hemphilli Ball. 



Metis alta Conrad. 



Modiolus fornicatus Carpenter. 



Modiolus rectus Conrad. 



*Moerella salmonea Carpenter. 



*Mytilimeria nuttalli Conrad. 



Mytilus edulis Linnc?. 



*N'e8era peetinata Carpenter. 



*Nucula (Acila) castrensis Hinds. 



Nucula .suprastriata Carjienter. 



O.strea Uirida Carpenter. 



*Panomya ampla Dall. 



Panopea generosa Gould. 



Pecten caurinus Gould. 



Pecten circularis Sowerby. 



Pecten circularis var. fequisulcatus Carpenter. 



Pecten hastatus Sowerby. 



*Pec.ten hastatus var. hericius Gould. 



*Pecten hastatus var. strategus Dall. 



*Pecten jordani Arnold. 



Pecten latianritus Conrad. 



Pecten latianritus var. cerritensis n. var. 



*Pecten latianritus var. delosi n. sp. 



Pecten latianritus var. monotimeris Conrad. 



Pecten subnodosus Sowerby. 



Pecten vogdesi n. sp. 



Periploma argentaria Conrad. 



Petricola i-arditoides Conrad. 



Petricola (Petricolaria) cognata C. B. Adams. 



Petricola denticulata Sowerby. 



Phacoides ( + Lucina) acutilineatus Conrad. 



Pliacoides (+Lucina) californicus Conrad. 



Phacoides ( +Lucina) tenuisculptus Carpenter. 



Pholadidea penita Conrad. 



Platyodon cancellatus Conrad. 



Pododesnius (Monia) macroschisma Deshayes. 



*Protocardia centifilosa Carpenter. 



Psammobia edentula Gabb. 



*P.sephis salmonea Carpenter. 



Rupellaria lamellifera Conrad. 



Sanguinolaria nuttalli Conrad. 



Saxidomus gracilis Gould. 



Semele decisa Conrad. 



Semele pulchra Sowerby. 



*Semele pulchra var. montereyi Arnold. 



*Septifer bifurcatus Conrad. 



Siliqua lucida Conrad. 



Siliqua patula Dixon var. nuttalli Conrad. 



Solen sicarius Gould. 



Spisula catillil'orniis Conrad. 



Spisula falcata (iould. 



Tagelus californianus Conrad. 



Tapes lacineata Carpenter. 



Tapes tenerrima Carpenter. 



Tellina bodegensis Hinds. 



Tellina idie Dall. 



Tellina rubescens Haidey. 



*Thracia trapezoides Conrad. 



*Thyasira gouldii Philippi. 



Tivela crassatelloides Conrad. 



Tresus nuttalli Conrad. 



Venericardia barbarensis Stearna. 



*Venericardia ventricosa Gould. 



Venus tantilla Gould (Psephis id. ). 



Venus (Chione) fluctifraga Sowerby. 



Venus (Chione) gnidia Broderip and Sowerby. 



Venu.s (Chione) neglecta Sowerby. 



Venus (Chione) simillima Sowerby. 



Venus (Chione) succincta Valenciennes. 



*Verticordia novemcostata Adams and Reeve. 



Yoldia ciioperi Gabb. 



* Yoldia scissurata Dall. 

 Zirphic-a gabbi Try on. 



OASTEROPODA. 



Acmsea depicta Gould. 



Acmaja insessa Hinds. 



Acma;a instabilis Gould. 



Acnia?a mitra Eschscholtz. 



Acmsea paleacea (iould. 



Acratea pelta Eschscholtz. 



Acm;ica spectrum (Nuttall) Reeve. 



Acta?on (Rictaxis) punctoctelata Carpenter. 



ActKon traskii Stearns. 



* Admete gracilior Carpenter. 



* Araalthea antiquata Linn^. (Hipponyx id. ) 

 Amalthea cranioides Carpenter. 



Amalthea tumens Carpenter. 

 Amphissa eorrugata Reeve. 



* Amphissa ventricosa Arnold. 

 Amphissa versicolor Dall. 

 Bela tidicula Gould. 



* Bela sanctie-monica? Arnold. 

 Bittium asperum Gabb. 



*Bittium californicum Dall and Bartach 



Bittium filosum Gould. 



Bittium quadrifilatum Carpenter. 



Bittium rugatum Carpenter. 



Bittium williamsoni Arnold. 



Bulla punctulata, A. Adams. 



Bulla quoyi Gray. 



*Cadulus fusiformis Sharp and Pilsbry. 



Ca'cum californicum Dall. 



