98 NON-MARINE FOSSIL MOLLUSCA. 



PLATE 9. LARAMIE. 



Ostrea glabra Meek & Hayden. (Page 15.) 



Fig. I. Exterior view of type; lower valve. After Meek. 

 Fig. "2. Interior view of the same. 



FlG. 3. Exterior view of a lower valve, from the valley of the South Platte, Colorado. 

 Fig. 4. Interior view of the same. 

 (All natural size.) 



