140 NON-MARINE FOSSIL MOLLUSCA. 



PLATE 30. EOCENE. 



Macrocyclis spatiosa Meek &. Hayden. (Page 46.) 



Fig. 1. Upper view, natural size. 



Fig. 2. Lateral view of the same example. 



Fig. 3. Under view of the same, all natural size. After Meek. 



Helix ? veterna M. & H. (Page 48.) 



Figs. 4 and 5. Copies of Meek's outline figures. 



Physa pleromatis White. (Page 44.) 



Fig. li. Lateral view of type specimen. 



Fig. 7. Opposite view of a- larger example, a little distorted, probably belonging to 



this species. 

 Fig. 8. Fragment of a very large example, believed to belong to this species. 

 (All natural size.) 



Physa bridgerensis Meek. (Page 44.) 



Fig. 9. Lateral view, natural size. 



Fig. 10. Opposite view of a more robust example. 



Viviparus PALUDix.EFORMis Hall. (Page 62.) 



Fig. 11. Lateral view, natural size. ■ 

 Fig. 12. Opposite view of the same. 



Viviparus wyomingensis M. (Page 62. ) 



Fig. 13. Lateral view, natural size. 

 Fig. 14. Opposite view of the same. 



