MOLLUSCA OF NEW YORK 



63 



Ancylus rivularis Say 



Ancylus rivularis Say. DeKay, Nat. Hist. N. Y. 1843. p. 12 

 Ancylus rivularis Say. Binney, Smith. Misc. Coll. 143. 1865. 

 7:142 



Ancylus rivularis Say. Beauchamp, Onondaga List. 1886. p. 4 

 Ancylus rivularis Say. Walton, Rochester Acad. Sci. Proc. 

 1892. 2:1:3. (Genesee river) 



Ancylus tardus Say 



Ancylus tardus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:143. 

 (Mohawk river) 



Ancylus tardus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. 



p. 137. (Little Lakes) 

 Ancylus tardus Say. Walton, Rochester Acad. Sci. Proc. 1892. 



2:13. (Irondequoit) 



Ancylus calcarius DeKay 

 Ancylus calcarius DeK. DeKay, Nat. Hist. N. Y. 1843. p.13 

 Ancylus calcarius DeK. Binney, Smith. Misc. Coll. 143. 1865. 



P.I43 



Ancylus borealis Morse 

 Ancylus borealis Morse. Binney, Smith. Misc. Coll. 143. 1865. 

 7:156. (Patten) 



Genus gundlachia PfeirTer 

 Gundlachia stimpsoniana Smith 

 Gundlachia stimpsoniana Smith. Smith & Prime, An. Lyc. 

 N. Y. 1870. 9:399. (Long Island) 



Gundlachia sp. 



Gundlachia sp. J. M. Clarke, Am. Jour. Sci. 1882. ser. 3. 

 23:248. (Canandaigua) 



Class POLYPLACOPHORA 

 Family ischnochitonidab 

 Genus chaetopleura Shuttleworth 

 Chaetopleura apiculata Say 

 Chiton apiculatus Say. DeKay, Nat. Hist. N. Y. 1843. p. 164 

 Chiton apiculatus Say. Jay, Cat. 1852. p. 97 

 Chiton apiculatus Say. Smith & Prime, An. Lyc. N. Y. 

 1870. 9:392 



Chaetopleura apiculata Say. Tryon, Man. Conch. 1892. 

 W3S 



