78 AMNICOLID^. 



4. Valvata virens, Tryon. Proc. Acad. Nat. 



Sci. Philad. 148, t. i, f. 11, 1863. 

 Binney, loc. cit. 14, 1865. No. 4. 



AMNICOLID^. 



5. Btthinella Floridana, Frauenfeld. Proc. 



Zool.-bot. Soc. Vienna, t. 10, 1865. 



No. 4. 



— . Btthinella Monroensis, Frauenf., Proc. 

 Zool.-bot. Soc. Vienna, p. 7, 1865. 



6. Btthinella obtusa, Lea. (Hald., p. 24.) 



Binney, loc. cit. 70, 1865. No. 6. 



7. Btthinella intermedia, Tryon. Am. Jour. 



Conch, i, 220, 1865. No. 7. 



8. Btthinella Binneti, Tryon. Proc. Acad. 



Nat. Sci. Philad. 148, t. I, f. 10, 

 1863. 

 Binney, 1. c. 69, 1865. No. 8. 



9. Btthinella Seemani, Frauenfeld, Proc. 



Zool.-bot. Soc. Vienna, t, 8, 1865. 



No. 9. 



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