PLATE L. 



PAGE 



Figs. 1, 2. Scala lineata ( Say) 185 



1. Ventral view. Wailes Bluff. X 5% 



2. Dorsal view of same specimen. 



Figs. 3, 4. Odostomia (Chrysallida) seminuda (Adams) 186 



3. Ventral view. Wailes Bluff. X 10 



4. Dorsal view of same specimen. 



Figs. 5, 6. Odostomia (Chrysallida) impressa (Say) 187 



5. Ventral view. Federalsburg. X 10 



6. Dorsal view of same specimen. 



Figs. 7, 8. Odostomia acltidexs Dall 187 



7. Ventral view. Wailes Bluff. X 10 



8. Dorsal view of same specimen. 



Figs. 9, 10. Turbonilla (Pyrgiscus) interrupta (Totten) 188 



9. Ventral view. Wailes Bluff. X 7 

 10. Dorsal view of same specimen. 



25G 



