6o 



NEW YORK STATE MUSEUM 



Planorbis lentus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 

 1874. p.136 



Planorbis lentus Say. Beauchamp, Onondaga List. 1886. p. 4 



Planorbis bicarinatus Say 

 Planorbis bicarinatus Say. DeKay, Nat. Hist. N. Y. 

 1843. p6o 



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

 Planorbis bicarinatus Say. Binney, Smith. Misc. Coll. 143. 



1865. 7:123. (Herkimer county) 

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



(Mohawk river) 



Planorbis bicarinatus Say. Smith & Prime, An. Lyc. N. Y. 



1870. 9:402. (Long Island) 

 Helisoma bicarinatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p.136 



Planorbis bicarinatus Say. Beauchamp, Onondaga List. 1886. 

 p.4 



Planorbis bicarinatus Say. Walton, Rochester Acad. Sci. 



Proc. 1892. 2:13 (Rochester) 

 Planorbis bicarinatus Say. Letson, N. Y. State Mus. Bui. 45. 



1901. p. 245. (Goat island. Post-Pliocene) 



Planorbis exacutus Say 



Planorbis exacutus Say. DeKay, Nat. Hist. N. Y. 1843. p.63. 



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



Planorbis exacutus Say. Say, Conch. U. S. ed. by Binney. 

 1858. p- 64. (Lake Champlain) 



Planorbis exacutus Say. Binney, Smith. Misc. Coll. 143. 

 1865. 7:126. (Lake Champlain) 



Planorbis exacutus Say. Aldrich, Troy List. 1867. p.4. (Hud- 

 son river) 



Planorbis exacutus Say. .Smith & Prime, An. Lyc. N. Y. 



1870. 9:402. (Long Island) 

 Menetus exacutus Say. Lewis, Buf. Soc. Nat Sci. Bui. 2. 



1874. p.136 



P 1 a n o rbi s ex a cut us Say. Beauchamp, Onondaga List. 1886. p.4 



Planorbis deflectus Say 



P 1 an o rbi s de f 1 e c t u s Say. DeKay, Nat. Hist. N. Y. 1843. p.65 

 Planorbis obliquus DeK. DeKay, Nat. Hist. N. Y. 1843. 

 p. 62. (Mohawk river) 



