212 FAUNA OF NEW ENGLAND. 



Vt. 



Mass.— Boston. 

 R. I.— Tiverton. 

 Conn. — New Haven. 



*Bifidaria contracta (Say). 



Walker, Kept. Geol. Surv. Mich., 1906, p. 510, fig. 133. 



Pupa contracta Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 

 vol. 2, p. 374. " Virginia." Gould, Inv. Mass., 1870, p. 438, fig. 

 698. 



Me. — Bethel ; Bangor. 



Vt. — Burlington. 



Mass. — Westport; Swampscott. 



Conn. — Housatonic Valley. 



*Bifidaria pentodon (Say). 



Vanatta and Pilsbry, Nautilus, 1906, vol. 19, p. 122, pis. 6, 7, 

 figs. 1-41. 



Vertigo pentodon Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 

 vol. 2, p. 376. " Pennsylvania." 



Pupa cunyidcns Gould, Inv. Mass., 1841, p. 189, fig. 120. 



Pupa pentodon Gould, Inv. Mass., 1870, p. 434, figs. 693, 694. 



Me.— Buckfield; Woodland; Bethel; Fairfield; Westbrook; 

 Orono. 



Vt. — Burlington. 



Mass. — Cohasset; High Pines, Duxbury; Woburn. 



R. I. 



Conn. — New Haven. 



Bifidaria tappaniana (C. B. Adams). 



Vanatta and Pilsbry, Nautilus, 1906, vol. 19, p. 126, pi. 7, figs. 

 42-53. 



Pupa tappaniana Adams, in Thompson's Hist. Vt., 1842, p. 158. 

 [Vermont.] 



