62 NEW YORK STATE MUSEUM 



Planorbis parvus Say. Walton, Rochester Acad. Sci. Proc. 



1892. 2:13. (Charlotte) 

 Planorbis parvus Say. Letson, N. Y. State Mus. Bui. 45. 1901. 



p.245. (Goat island. Post-Pliocene) 



Genus SEGMENTINA Fleming 

 Segmentina armigera Say 



Planorbis armigerus Say. DeKay, Nat. Hist. N. Y. 1843. P-^ 2 

 Planorbis armigerus Say. Jay, Cat. 1852. p. 267 

 Segmentina armigera Say. Binney, Smith. Misc. Coll. 143. 



1865. 7:137 

 Planorbis armigerus Say. Aldrich, Troy List. 1867. p. 4. 



(Mohawk basin) 

 Planorbis armigerus Say. Smith & Prime, An. Lye. N. Y. 1870. 



9:402. (Long Island) 

 Planorbula armigera Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p. 136 

 Segmentina armigera Say. Beauchamp, Onondaga List. 1886. 



P-4 



Segmentina armigera Say. Walton, Rochester Acad. Sci. 

 Proc. 1892. 2:13. (Brighton) 



Subfamily ANCYLINAE 



Genus ANCYLUS Geoffrey 



Ancylus fuscus Adams 



Ancylus fuscus Ads. DeKay, Nat. Hist. N. Y. 1843. p. 13 

 Ancylus fuscus Ads. Binney, Smith. Misc. Coll. 143. 1865. 7:140 

 Ancylus fuscus Ads. Smith & Prime, An. Lye. N. Y. 1870. 9:399. 



(Long Island) 

 Ancylus fuscus Ads. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. 



P-'37 



Ancylus parallelus Haldeman 



Ancylus parallelus Hald. Binney, Smith. Misc. Coll. 143. 1865. 



7:142 

 Ancylus parallelus Hald. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p.i37 

 Ancylus parallelus Hald. Beauchamp, Onondaga List. 1886. 



P5 

 Ancylus parallelus Hald. Walton, Rochester Acad. Sci. Proc. 



1892. 2:13. (Charlotte) 



