182 FAUNA OF NEW ENGLAND. 



*Bulimnea megasoma (Say). 



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

 figs. 1-6. 



Lymneus 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. 1-4. 



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

 10, 11 {7wn Zieten, 1830). " Essex Co., N. Y." 



Limnaea (Acella) gracilis Binne^', 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. 



Lymnaevs 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. 



