114 NON-MAEINE FOSSIL MOLLUSCA. 



PLATE 17. LARAMIE. 



Unto dan^e Meek & Hayden. (Page 25.) 



Fig. 1. Left side view. 



Fig. 2. Dorsal view of the same example. 



Fig. 3. Eight side view of another example. After Meek. 



Unto deweyakus M. & H. (Page 25.) 



Fig. 4. Left side view. 



Fig. 5. Interior view of the same. . After Meek.- 



CORBICUXA OCCIDENTALIS M. & H. . (Page 31.) 



Fig. 6. Left side view of the type of C. bannisteri Meek. 

 Fig. 7. Dorsal view of the same; natural size. 



(For other figures of C. occulentalis, see Plate XXIII.) 



Sph^seidm planum M. & H. (Page 33.) 



Fig. 8. Exterior view of a left valve and outline of a dorsal view of the same; 

 natural size. After Meek. 



SpHjEKIUM recticakdinale M. & H. (Page 33.) 



Fig. 9. Exterior view of a left valve .and outline of a dorsal view of the same; 

 natural size. After Meek. 



Sph^erium subelopticdm M. & H. (Page 33.) 



Fig. 10. Exterior view of the left valve, natural size, together with the same much 

 enlarged. After Meek. 



Sph.ekium FORMOSTJM M. & H. (Page 33.) 



Fig. 11. Exterior view of the light side, natural size, together with side and dorsal 

 views of the same much enlarged. After Meek. 



