ARNOLD — THE PALEONTOLOGY AND STRATIGRAPHY OF SAN PEDRO. 



35 



Alphabetic List Showing the Distribution op Species in the Vicinity' of San 



Pedro.* 



(E indicates species which are extinct; X Indicates species living at San Pedro; S indicates species living only 

 south of San Pedro; N indicates species living only north of San Pedro; C indicates species living only at Catalina 

 Island; R stands for rare; M stands for medium abundant; C stands for common.) 



PELECYPODA. 



Aligena cerritensis, sp. nov 



Amiantis callosa Conkad 



Angulus huitoni Dall 



A nomia lanipe Gray 



Area labiala Sowerbt 



Astarie (Crassinella) branneri, sp. nov 



Bornia relifera Dall 



Callista subdiaphana Cabpentek 



Callisia subdiaphana var. pedroann, var. nov. 



Callista newcombiana Gabb 



Cardium corbis Martyn 



Cardium elalmn Sowerby 



Cardium procerum Sowerby 



Cardium quadrigenarium Conrad 



Chama exogyra Conrad 



Chama pellucida Sowerby 



Clldiophora punctata Conrad 



Cooperella subdiaphana Carpenter 



Corbula luteola Carpenter 



Cryptomya californica Conrad 



Cumingia californica Conrad 



Diplodonta orbella Gould 



Diplodonta serricata Reeve 



Donax californica CONRAD 



Donax laevigata Desha YRS 



Glycymeris barbarensis Conrad 



i3 





E 

 X 

 X 

 X 



s 



E 

 N 

 N 

 E 

 X 

 N 

 S 

 S 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



s 



X 

 X 



E 



Pleistocene. 



Upper Sail Pedro. 



11 



■a rt 



R 



R 

 R 



R 



R 

 R 



M 

 R 





R 

 R 



C 

 R 



M 



R 

 M 

 K 

 C 

 C 

 R 

 R 

 R 



R 

 C 

 R 

 R 

 C 

 R 

 C 

 C 



R 



C 

 R 

 C 



M 



M 

 R 

 C 

 C 

 R 

 R 



M 

 M 



C 

 R 



tft - 



« SI, 



fcEf 



cu o 



R 

 M 



M 



R 



R 

 R 

 R 



M 

 R 



Lower 

 San Pedro. 



T3 rt 



M 

 R 



R 



M 



M 

 R 

 R 

 R 

 M 

 R 

 R 



R 

 R 





R 

 R 



M 



M 

 M 

 C 



R 



M 



a n 



c o 



* This list has been kept open until the time for sending the manuscript to presB, and contains a few species vbich are not given in 

 the general discussion, although the descriptiona of all species mentioned are given in Part II 



