546 NON-MARINE FOSSIL MOLLUSCA 



PLATE 30. EOCENE. 

 MACROCYCLIS SPATIOSA Meek & Haydon. (Pago 452.) 



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 ? VETERXA M. & H. (Page 454.) 

 FIGS. 4 and 5. Copies of Meck's outline figures. 



PHYSA PLEROMATIS White. (Page 450.) 



FIG. 0. 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 BRIDGEREXSIS Meek. (Pago 450.) 



FIG. 9. Lateral view, natural size. 



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



VIVIPARUS PALUDiN,EFORMis Hall. (Page 468.) 



FIG. 11. Lateral view, natural size. 

 FIG. 12. Opposite view of the same. 



VIVIPARUS WYOMINGENSIS M. (Page 468.) 



FIG. 13. Lateral view, natural size. 

 FIG. 14. Opposite view of the same. 



