) CALIFORNIA ACADEMY OF SCIENCES I Puoc. 4th Ser. 



Nassa thersites, variety ; living. 



Natica albumen Lamarck; living. 



Natica. 



Natica spadicea Reeve ; living. 



Natica mamilla Lamarck ; living. 



Nerita funiculata Reeve; living. 



Olivella. 



Ranella subgranulosa Beck ; living. 



Ranella. 



Ranella tuberculata Broderip ; living. 



Strombus canarium Linnaeus ; living. 



Strombus swainsoni Reeve; living. 



Turris (Surcula) flavidus Lamarck; living. 



Turris garnonsi Reeve ; living. 



Turris deshayesi (Doumet) ; living. 



Turris carinata woodwardi K. Martin; living. 



Terebra. 



Terebra bicincta K. Martin. 



Terebra javana K. Martin. 



Area cornea Reeve ; living. 



Cardium. 



Corbula socialis K. Martin. 



Corbula. 



Chione chlorotica. 



Ostrea. 



Pleuronectia pleuronecta Linnaeus ; living. 



Placuna placenta; living. 



Psammobia cf. lessoni Blainville. 



Pinna. 



Solen. 



Tellina. 



Dentalium. 



Coral. 



Coral. 



Echinoid. 



The predominance of littoral species and the character of the 

 strata indicate that these forms lived in the shallow inshore 

 waters of an inland sea. 



