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.yS. (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. Lye. N. Y. 1870. 



9:380. (Westchester county) 

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



p. i 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 Siy. DeKay, Nat. Hist. N. Y. 1843. 



P-7 6 

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



(Wayne county) 

 Physa plicata DeK. DeKay, Nat. Hist. N. Y. 1843. p. 7 8. (New 



York island) 

 Physa aurea Lea. DeKay, Nat. Hist N. Y, 1843. p.8o. (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. Lye. N. Y. 



1870. 9:402. (Long Island) . 

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



1874. p.i 3 6 

 Physa heterostropha Say. Beauchamp, Onondaga List. 



1886. p.4 



