GASTEROPODA. 211 



Strobilops affinis Pilsbry. 

 Pilsbry, Nautilus, 1893, vol. 7, pp. 56, 57. " New York, Ohio, 



ETC." 



Me.— Bethel. 



*Zo5genites harpa (Say). 



Morse, Journ. Portland Soc. Nat. Hist., 1864, vol. 1, p. 32, pi. 1, 

 figs. 1-3. 



Helix harpa Say, Narrative Long's Exped., 1824, vol. 2, p. 256, 

 pi. 15, fig. 1. "North-west Territory." 



Pupa costulata Mighels, Proc. Boston Soc. Nat. Hist., 1844, vol. 1, 

 p. 187. 



Acanthinula harpa Binney, Bull. U. S. Nat. Mus., 1885, no. 28, 

 p. 185, fig. 183. 



Me.— Fort Kent; Bethel; Waterville; Mt. Desert; North 

 Haven; Sebago Lake. 



N. H.— Berlin Falls; Wolfeboro. 



Vt. 



Mass. — Westport; High Pines, Duxbury Beach. 



R. I. — Tiverton. 



*Pupoides marginatus (Say). 



Pilsbry and Vanatta, Proc. Acad. Nat. Sci. Phila., 1900, p. 586. 

 Cyclostoma marginata Say, Journ. Acad. Nat. Sci. Phila., 1821, 

 ser. 1, vol. 2, p. 172. " Upper Missouri.' 



Pupafallax Gould, Inv. Mass., 1870, p. 436, fig. 696 {non Say). 



Mass.— New Bedford. " 

 R. I. — Tiverton. 



Bifidaria armifera (Say). 



Walker, Rept. Geol. Surv. Mich., 1906, p. 510, fig. 132. 



Pupa armifera Say, Journ. Acad. Nat. Sci. Phila., 1821, ser. 1, 

 vol. 2, p. 162. " Upper Missouri." Gould, Inv. Mass., 1870, 

 p. 437, fig. 697. 



