MOLLUSCA OF NEW YORK 57 



Physa ancillaria Say 



Physa ancillaria Say. DeKay, Nat. Hist. N. Y. 1843. p. 79. 

 (Lake Champlain) 



Physa obesa DeK. DeKay, Nat. Hist. N. Y. 1843. p. 78. (Rens- 

 selaer county) 



Physa obesa DeK. Jay, Cat. 1852. p. 271 



Physa ancillaria Say. Binney, Smith. Misc. Coll. 143. 1865. 

 7:81. (Hudson river) 



Physa ancillaria Say. Tryon, Am. Jour. Conch. 1865. 1:167 



Physa ancillaria Say. Aldrich, Troy List. 1867. p. 3. (Hud- 

 son river) 



Physa ancillaria Say. Smith & Prime, An. Lyc. N. Y. 1870. 



9:380. (Westchester county) 

 Physa ancillaria Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874 



p. 1 35. (Owasco lake) 

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



(Skaneateles) 



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

 2:12. (Rochester) 



Physa heterostropha Say 



Physa heterostropha Say. DeKay, Nat. Hist. N. Y. 1843. 

 p.76 



Physa cylindrica Newc. DeKay, Nat. Hist. N. Y. 1843. p. 77. 

 (Wayne county) 



Physa plicata DeK. DeKay, Nat. Hist. N. Y. 1843. p.78. (New 

 York island) 



Physa aurea Lea. DeKay, Nat. Hist N. Y. 1843. p. 80. (West 

 Point) 



Physa heterostropha Say. Jay, Cat. 1852. p. 271 

 Physa plicata DeK. Tryon, Am. Jour. Conch. 1865. 1:165 

 Physa heterostropha Say. Binney, Smith. Misc. Coll. 143. 



1865. 7:84. (Mohawk river) 

 Physa heterostropha Say. Aldrich, Troy List. 1867. p. 3. 



(Hudson river) 



Physa heterostropha Say. Smith & Prime, An. Lyc. N. Y. 



1870. 9:402. (Long Island) 

 Physa heterostropha Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p.136 



Physa heterostropha Say. Beauchamp, Onondaga List. 

 1886. p.4 



