ARNOLD — THE PALEONTOLOGY AND STUATIGRAPHY OF SAN PEDRO. 



35 



Alphabetic List Showing the Distuibution of Species in the Vicinity of San 



Pedro. * 



(E indicates species which are extinct; X imlicates species living at Sau 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 Cataliua 

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



PELECYPODA. 



Aligena cerrilensis, sp. nov 



Amiantis callosa Conuad 



Angulus huttoni Dall 



A iiomia lampe Gray 



Area labiala Sowerby 



Astarte [Crassinella) branneri, sp. nov 



Bornia relifera Dall 



Callista suhdiaphana Oabpentkr 



Callista suhdiaphana var. pedroana, var. nov. 



Callista newcombiana Gabb 



Cardium corbis Martyn 



Cardium elatuin Sowerby 



Cardium procerum Sowerby 



Cardium quadrigenarium Conrad 



Chama exogyra Conrad 



Chama pdlurida Sowerby 



Clidiophora punctata Conrad 



Cooperella suhdiaphana Carpenter 



Corbula luteola Carpenter 



Cryptomya cali/ornica Conrad 



Cumingia calif ornica Conrad 



Diplodonta orhella GonLD 



Diplodonta serricata Keeve 



Donax cali/ornica Conrad 



Donax lievigata Desha yes 



Olycymeris harbarensis Conrad 



> 

 3 





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 San Pedro. 



11 

 •a ea 



R 



R 

 R 



R 



R 

 R 



M 

 R 



I- 

 •J 



R 

 R 



C 

 R 



M 



R 

 M 

 R 

 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 



Ed o 



R 

 M 



M 



R 



R 

 R 

 R 



M 

 R 



Lower 

 San Pedro. 



Ba 



M 

 R 



M 



M 

 R 

 R 

 R 

 M 

 R 

 R 



R 

 R 





R 

 R 



M 



M 

 M 

 C 



R 



M 







* Thia list has been kept open nntil the time for sending the manascript to press, and contains a few species which are not given in 

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



