56 NEW YORK STATE MUSEUM 



Limnophysa pallida Ads. Lewis, Buf. S >c. Nat. Sci Bui. 2 

 1874. p.135 



Limnaea pallida Ads. Beauchamp, Onondaga List. 1886. p. 4. 

 (Onondaga lake) 



Limnaea pallida Ads. Walto ) s R)cheter Aral. Si. Proc. 

 1892. 2:12. (Erie canal) 



Limnaea humilis Say 



Limnea humilis Say. DeKay, Nat. Hist. N. Y. 1843. p. 71 

 Limnea linsleyi DeK. DeKay, Nat. Hist. N. Y. 1843. p. 72. 

 (Stratford) 



Lymnaea humilis Say. Jay, Cat. 1852. p. 269 



Limnaea humilis Say. Binney, Smith. Misc. Coll. 143. 1865. 



7:63. (^ 'tsego county) 

 Limnaea humilis Say. Aldrich, Troy List. 1867. p. 3. (Mohawk 



river) 



Limnea humilis Say. Smith & Prime, An. Lyc. N. Y. 1870. 



9:402. (Long Island) 

 Limnophysa humilis Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p.135 



Limnaea humilis Say. Beauchamp, Onondaga List. 1886. p. 4 



Limnaea gracilis Jay 



Limnea gracilis Say. DeKay, Nat. Hist. N. Y. 1843. p. 70. 



(Lake Champlain) 

 L i mn a e a g r a c i 1 i s Jay. Stimpson, New Eng. Shells. 185 1. p.52. 



(Lake Champlain) 

 Limnaea gracilis Jay. Binney, Smith. Misc. Coll. 143. 1865. 



7:69. (Schuyler's lake) 

 Acella gracilis Jay. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. 



p.135. (Niagara river) 



Genus physa Draparnaud 

 Physa gyrina Say 

 Physa gyrina Say. DeKay, Nat. Hist. N. Y. 1843. P 79* 



(Northern New York) 

 Physa elliptica Lea. DeKay, Nat. Hist. N. Y. 1843. p. 77 

 Physa gyrina Say. Binney, Smith. Misc. Coll. 143. 1865. 7:77 

 Physa hildrethiana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 

 1874. P.i35 



Physa gyrina Say. Beauchamp, Onondaga List. 1886. p. 4 

 Physa gyrina Say. Walton, Rochester Acad. Sci. Proc. 1892. 

 2:12. (Erie canal) 



