MOLLUSCA OF NEW YORK 41 



Genus circinaria Beck 

 Circinaria concava Say 



Helix concava Say. DeKay, Nat. Hist. N. Y. 1843. p. 33 

 Macrocyclis concava Say. Tryon, Am. Jour. Conch. 1866. 

 2:245 



Helix concava Say. Aldrich, Troy List. 1867. p. 5. (Lansingburg) 

 Macrocyclis concava Say. Binney, Smith. Misc. Coll. 194. 

 1869. 8:56 



Macrocyclis concava Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 

 1874. p.r 3 i 



Macrocyclis concava Say. Beauchamp, Onondaga List. 

 1886. p.i 



Macrocyclis concava Say. Walton, Rochester Acad. Sci. 



Proc. 1892. 2:5. (Pittsford) 

 Circinaria concava Say. Pilsbry, List Naut. 1898. p. 24 



Genus helix Linnaeus 

 Helix hortensis Miiller 

 Helix subglobosa Binn. DeKay, Nat. Hist. N. Y. 1843. p. 32 

 Helix hortensis Mull. Smith & Prime, An. Lyc. N. Y. 1870. 

 9:404 



Tachea hortensis Mull. Walton, Rochester Acad. Sci. Proc. 

 1892. 2:7. (East Rochester) 



Family pupidae 

 Genus pupoides Pfeiffer 

 Pupoides marginatus Say 



Pupa fallax Say. DeKay, Nat. Hist. N. Y. 1843. p. 51 

 Pupa fallax Say. Jay, Cat. 1852. p. 226 



Leucochila fallax Say. Tryon, Am. Jour. Conch. 1867. 3:305 

 Pupa fallax Say. Binney, Smith. Misc. Coll. 194. 1869. 8:239 

 Pupa fallax Say. Smith & Prime, An. Lyc. N. Y. 1870. 9:404. 

 (Long Island) 



Leucochila fallax Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. 



p. 1 32. (Crown Point) 

 Pupa fallax Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. 



(Rochester) 



Leucochila fallax Say. Pilsbry, List Naut. 1898. p. 19 

 Pupoides marginatus Say. Pilsbry, A. N. S. P. Proc. 1900. 

 p.605 



