60 NEW YORK STATE MUSEUM 



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



1874. p.i36 

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



Planorbis bicarinatus Say 

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



1843. p 60 



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. Lye. N. Y. 



1870. 9:402. (Long Island) 

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



1874. p.i 3 6 

 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) 



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

 son river) 



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

 1870. 9:402. (Long Island) 



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

 1874. p.i 3 6 



P 1 an or bis exacutus Say. Beauchamp, Onondaga List. 1886. p.4 



Planorbis deflectus Say 



Planorbis de fl ectus Say. DeKay, Nat. Hist. N. Y. 1843. p.6$ 

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

 p. 62. (Mohawk river) 



