182 FAUNA OF NEW ENGLAND. 



"Bulimnea megasoma (Say). 



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

 figs. 1-6. 



Lymnetis megasomus Say, Narrative Long's Exped., 1824, vol. 2, 

 p. 263, pi. 15, fig. 10. "Bois Blanc Lake, North-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^. 



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

 10, 11 {non Zicten, 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 caper atvs 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. 



