ARNOLD] FOSSIL, MOLLUSKS FROM CALIFORNIA 423 



Macoma nasufa Conrad. 



Macoma, species. 



Macoma cf. sccta Conrad. 



Mactra, species. 



Mioplciona oregoncnsis Dall. 



Modiolus rectus Conrad. 



Monia macroschisma Deshayes. 



Muricidea, species. 



Mya truncata Linne. 



Mytihis, species indeterminate. 



Nassa califomiana Conrad. 



Natica clausa Broderip and Sowerby. 



Nevcrita reclusiana Petit. 



Ocinebra lurida Middendorf. 



Olivella biplicata Sowerby. 



Olivella cf. intorta Carpenter. 



Opalia anomala Stearns. 



Opalia varicostata Stearns. 



Ostrea veatchii Gabb. 



Ostrea possibly veatchii Gabb. 



Panomya cf. ampla Dall. 



Panopea generosa Gould. 



Pecten (Plagioctcnium) near cerrosensis Gabb. 



Pecten (Patino pecten) healeyi Arnold. 



Pecten (Pecten) hemphilli Dall. 



Pecten (Chlamys) lawsoni Arnold. 



Pecten (Patinopecten) oweni Arnold. 



Pecten (Pecten) stearnsii Dall. 



Pecten (Chlamys) wattsi Arnold. 



Phacoides annulatus Reeve. 



Phacoides intensus Dall. 



Pholadidca ovoidea Conrad. 



Pholadidca ( ?) species indeterminate. 



Platyodon canccllatus Conrad, var. a . 



Pleurotoma (Borsonia), species a . 



Plcurotoina, species. 



Priene oregoncnsis Redfield, var. angelensis Arnold (?) 



Priene orcgonensis Redfield (young). 



Purpura crispata Chemnitz. 



Saxidomns gracilis Gould. 



Saxidomus (?) species 3 . 



Scala, species a . 



Sigarctus debilis Gould. 



Siliqua cf. cdcntula Gabb. 



Solcn cf. sicarius Gould. 



Tapes cf. lacineata Carpenter. 



Tapes stalcyi Gabb. 



Tapes tencrrima Carpenter. 



Tellina, species. 



Tellina aff. bodegensis Hinds. 



Terebratalia occidentalis Dall. 



