1916] 



Dickerson: Tejon Eocene of California 



393 



Fig. 4. Geological Map of Oroville and Table Mountain, a portion of the 

 Chico Quadrangle. Adapted from Lindgren. Scale, y 2 inch — 1 mile. 



In a recent paper 4fJ the writer discussed the faunal relationships 



as follows (p. 24) : 



With the exception of the new species noted in this list, practically 

 all the forms occur in the fauna of the Marysville Buttes, and the most 

 characteristic of these species, Siphonalia sutterensis, CJirysodomus mar- 

 tini, and DriUia uUreyana are found at both localities. Another char- 

 acteristic feature of this fauna is the peculiar association of the Pleuro- 

 tomidae and Tritonidae. The striking difference ... is the absence 



*9 Dickerson, Roy E., Note on the Faunal Zone6 of the Tejon Group, Univ. 

 Calif. Publ. Bull. Dept. Geol. vol. 8, p. 17-25, 1914. 



