44 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 



PREHISTORIC CALIFORNIA, 



( Continued from February Bulletin ) 



BY DR. LORENZO GORDIN YATES. 



PREHISTORIC FUANA OF CALIFORNIA. 

 PLATE I. 



Figures of Fossils from the Cretaceous, and Cretaceous "B" 



(Eocene ?) of California, recently described by Dr. J. G. Cooper, 



for the California State Mining Bureau.* 



I. Tcrebra Watfsiana, Cooper. Portion of anterior whorl broken 

 off. Marysville Buttes, California. 



2-4. Stircula crenatospira, Cooper. Fine sculpture not repre- 

 sented. Marysville Buttes, California. 



5. Narona Irelaniana, Cooper Half of anterior whorl broken 

 off. Marysville Buttes. California. 



6-1 1. Ancilla (Oliverato) califoiiiicd. Cooper. In Fig. 7 shell is 

 much worn on the anterior face. ]\Iarysville Buttes, 

 California. 



12. Cerifhinin Fairbanksi, Cooper. Very little of the external 



surface remains to show details of sculpture. San Diego 

 County, California. Cretaceous. 



13. Potamides ? Daz'isiano. Cooper. Most of the aperture want- 



ing. Marysville Buttes, California. 

 14-19. CeritJiidea carhonicola, Cooper. Coal Mines, San Diego 

 County, California. (Cretaceous "B".) ■ 



*Catalogue of Californian Fossils. (Parts II, III, IV, and V.) forming 

 Bulletin No. 4, published by the California State I\Iining Bureau, Sacra- 

 mento, 1804. 



