42 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



CONTENTS— Continued 



PAGE 



The Relations of the Cretaceous and Eocene South of Santa Monica 



Mountains 53 



Eocene Correlation 54 



Table Showing Occurrence of Eocene Venericardias 55 



Conclusions 56 



Index of Chico Fossils 56, 57 



Description of Chico Species 58-71 



Index of Martinez Fossils 71, 72 



Description of Martinez Species 73-89 



Index of Tejon Fossils 90, 91 



Descriptions of Tejon Species 91-100 



List of References 101-104 



LIST OF ILLUSTRATIONS 



Fig. 1. Map of California showing distribution of Chico and Eocene 45 

 Fig. 2. Geologic cross-section through a portion of the Camulos 



quadrangle 49 



Fig. 3. Geologic map of a portion of the Camulos quadrangle 51 



Plate 7. Chico fossils 107 



Plate 8. Chico fossils 109 



Plate 9. Chico fossils HI 



Plate 10. Martinez fossils 113 



Plate 11. Eocene Venericardias 115 



Plate 12. Martinez fossils 117 



Plate 13. Martinez fossils 119 



Plate 14. Martinez and Tejon fossils 121 



Plate 15. Tejon fossils 123 



Plate 16. Fig. 1. View showing heavy bedded Chico sandstone in 



the Simi Hills 125 



Fig. 2. View showing Martinez conglomerate overlying 

 unconformably the Chico sandstones in the 



Simi Hills 125 



