514 NON-MARINE FOSSIL MOLLUSCA. 



PLATE 14. LARAMIE. 

 UNIO PRISCUS Meek & Hayden. (Page 432.) 

 FIG. 1. Copy of the original figure of Meek & Hayden. 



Uxio SUBSPATULATUS Meek. (Page 431.) 



FIG. 2. Left side view. 



FIG. 3. Dorsal view of the same. After Meek. 



UNIO PRIM2EVUS White. (Page 432.) ^ 



FIG. 4. Exterior view of a small left valve. 

 FIG. 5. Interior view of a large right valve. 

 (Both natural size.) 



UNIO CRYPTORHYNCnus W. (Page 431.) 



FIG. 6. Exterior view of an imperfect right valve. 



FIG. 7. Interior view of a fragment of a left valve, showing the cavity behind the 

 cardinal plate. 



