MOLLUSCA OF NEW YORK 85 



Obovaria ellipsis Lea 



Unio ellipsis Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141. 

 Obovaria ellipsis Lea. Simpson, Nat. Mus. Proc. 1900. 22:602 



Genus PLAGIOLA Rafinesque 

 Plagiola elegans Lea 



Unio elegans Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874^.141 

 Plagiola elegans Lea. Simpson, Nat. Mus. Proc. 1900. 22:604 



Genus PTYCHOBRANCHUS Simpson 



Ptychobranchus phaseolus Hildrith 



Unio phaseolus Hild. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. 



p.i4i 

 Ptychobranchus phaseolus Hild. Simpson, Nat. Mus. Proc. 



1900. 22:612 



Genus STROPHITUS Rafinesque 



Strophitus edentulus Say 



Anodon edentula Say. DeKay, Nat. Hist. N. Y. 1843. p. 201 



(Lake Onondaga) 

 Anodon unadilla DeK. DeKay, Nat. Hist. N. Y. 1843. p. 199. 



(Otsego river) 

 Anodonta edentula Say. Aldrich, Troy List. 1867. p. 2. 



(Northern canal) 

 Anodonta edentula Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 



1874. p. 142. (Genesee river) 



Anodonta e den tula Say. Beauchamp, Onondaga List. 1886. p. 8. 

 Anodonta edentula Say. Walton, Rochester Acad. Sci. Proc. 



1892. 2:17. (Long pond) 

 Strophitus edentula Say. Simpson, Nat. Mus. Proc. 1900. 



22:616 



Strophitus edentulus var. pavonius Lea 

 Anodon pavonia Lea. DeKay, Nat. Hist. N. Y. 1843. p. 203. 



(Onondaga lake) 

 Anodonta pavonia Lea. Beauchamp, Onondaga List. 1886. 



p. 8. (Erie canal) 

 Strophitus edentulus var. pavonius Lea. Simpson, Nat. 



Mus. Proc. 1900. 22:617 



Strophitus undulatus Say 



Anodonta undulata Say. Jay, Cat. 1852. p. 73 

 Anodonta undulata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 

 1874. p.i 4 2 



