ARNOLD — THE PALEONTOLOGY AND STRATIGKAl'IlY OF SAN PEDRO. 



47 



SCAPHOPODA. 



Cadiilux niienlior Carpenter 



Dentalium indianorum Carpenter . 



Dentalium hexayonum Sowerey 



Dentalium pseudohexaijonum Dall 



Dentalium semipolitum Broderip & Sowerey . 



> 

 3 



in ii 



X 



N 

 X 



CRUSTACEA. 



Balaiius concavus Bronn j X 



Cancer breweri Gabb E 



PISCES. 

 Urolophus halleri ( ?) Cooper 



Pleistocene. 



Pliocene. 



Upper San Pedro. 



a 



.0*0 



c 



M 

 E 



M 



M 





K 

 C 



Lower 

 San Pedro. 



as 



K 

 M 



c 



B 





B 



E 

 M 



M 



