PLATE XXXVI 



Fig. 



11. 



Fig- 



12. 



Fig. 



13. 



Fig. 



14. 



Fig. 



15. 



Fig. 



16. 



Fig. 



17. 





17 a. 



Fig. 



18. 





18 a. 



Fig. 



19. 





19 a. 



Undetermined. 276 



Pholadomya Sonorensis. Slightly magnified. 265 



Tapes Hiluardi. Natural size. 265 



Cardium (Granocardium) sabulosum. Natural size. 267 



Cardium (Protocardium) granuliferum. Natural size. 267 



i. Cardita alticosta. Magnified. 268 



Eemondia furcata. Natural size. 270 



Hinge of left valve. 



Cuculuea inermis. Natural size. 271 

 End view of same. 



Exogyra plicata. Natural size. 275 

 Edge view of same. 



