182 FAUNA OF NEW ENGLAND. 



*Buliinnea megasoma (Say). 



Baker, Spec. Publ. Chicago Acad. Sci., 1911, no. 3, p. 184, pi. 25, 

 figs. 1-6. 



Lymneus megasorrms Say, Narrative Long's Exped., 1824, vol. 2, 

 p. 263, pi. 15, fig. 10. " Bois Blanc Lake, Nokth-west Terri- 

 tory." 



Limnaea (Bulimnea) megasoma Binney, Smithson. Misc. Coll., 

 1865, vol. 7, art. 2, p. 37, figs. 46, 47. 



Vt. — Lake Champlain; Burlington (Adams); "Intervels," mouth 

 of the Winooski River (H. F. Perkins). 



?Mass. 



*Acella haldemani (Deshayes). 



Baker, Spec. Publ. Chicago Acad. Sci., 1911, no. 3, p. 192, pi. 18, 

 fig. 1; pi. 26, figs. 1-4. 



Lymnaea gracilis Jay, Cat. Shells, 1839, ed. 3, p. 112, pi. 1, figs. 

 10, 11 (non Zieten, 1830). " Essex Co., N. Y." 



Limnaea (Acella) gracilis Binney, Smithson. Misc. Coll., 1865, 

 vol. 7, art. 2, p. 69, figs. 112, 114. 



Limnaea haldemani Deshayes in Binney, Journ. de Conch., 1867, 

 ser. 3, vol. 7, p. 428 (new name for L. gracilis Jay, preoccupied). 



Vt. — Lake Champlain (Adams) ; mouth of Potash Brook 

 (H. F. Perkins); Chimney Point. 



Galba caperata (Say). 



Baker, Spec. Publ. Chicago Acad. Sci.,' 1911, no. 3, p. 225, pi. 28, 

 figs. 20-33; pi. 29, figs. 1-3. 



Lymnaeus caperatus Say, New Harmony (Ind.) Disseminator, 

 1829, vol. 2, p. 230. [Indiana.] 



Limnaea caperata Binney, Smithson. Misc. Coll., 1865, vol. 7, 

 art. 2, p. 56, fig. 87. 



Me. — Ironbound Id. 

 Mass.— Westfield. 



