U. S. NATIONAL MUSEUM 



BULLETIN 68 PL. 21 



1^1 



r\ 



ga 



1 . exara, p. 1 86 



2. enora, p. 189 



3. harfordensis, p. 1 91 



Odostomia 



4. amilda, p. 187. 



5. pharcida, p. 1 85 



6. chilensis, p. 189 



7. grammatospira, p. 185 



8. hypocurta, p. 190 



9. fetella, p. 189 



