56 NEW YORK STATE MUSEUM 



Limnophysa pall id a Ads. Lewis, Buf. S >c. Nat. Sci Bui. 2 



1874. p.i35 

 Limnaea pallida Ads. Be.mchamp, Onondaga List. 1886. p. 4. 



(Onondaga lake) 

 Limnaea pallida Ads. Walto >, R >che ter Ar.a 1. Si. Proc. 



1892. 2:12. (Erie carul) 



Limnaea humilis Say 



Limnea humilis Say. DcKay, Nat. Hist. N. Y. 1843. .71 

 Limnea linsleyi DeK. DcKay, Nat. Hist. N. Y. 1843. p.yz 



(Stratford) 



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

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



7:63. ( tsrgo county) 

 Limnaea humilis Say. Aldrirh, Troy Li^t. 1867. p3 (Mohawk 



river) 

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



9:402. (Long Island) 

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



1874 P-I35 

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



Limnaea gracilis Jay 

 Limnea gracilis Say. DeKay, Nat. Hist. N. Y. 1843. p.7o. 



(Lake Chami lain) 

 Li mn ae a g r ac i lis Jay. Stimpson, New Eng. Shells. 1851. 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 elliptic a 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-135 



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



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



2:12. (Erie canal) 



