GASTEROPODA. 119 



Mass. — Massachusetts Bay; Vineyard Sound; Duxbury; Pro- 

 vincetown. 



R. I.— Watch Hill. 



Conn. — New Haven; Stratford. 



LITIOPIDAE. 

 *Litiopa bombix Kiener. 



Kiener, Ann. des Sei. Nat., 1833, vol. 30, p. 222, pi. 17, B, 

 figs. 1-3. No locality. Verrill, Trans. Conn. Acad., 1882, vol. 5, 

 p. 523. . 



Litiopa melanostoma Sumner, Osburn, and Cole, Bull. U. S. 

 Bureau Fisheries, 1913, vol. 31, pt. 2, p. 720. 



Mass. — Off Marthas Vineyard. Pelagic, found attached to 

 floating gulfweed (Sargassum sp.). 



HOMALOGYRIDAE. 



*Homalogyra atomus (Philippi). 



Jeffreys, Brit. Conch., 1867, vol. 4, p. 69, pi. 1, fig. 5. 

 Truncatella atomus Philippi, Arch. f. Naturg., 1841, vol. 7, pt, 1, 

 p. 54, pi. 5, fig. 4. " IN SoRRENT [Italy]." 



N. H. — Hampton Beach (Morse). 



SKENEIDAE. 



*Skenea planorbis (Fabricius). 



Gould, Inv. Mass., 1870, p. 296, fig. 563. 



Turbo planorbis Fabricius, Fauna Groenlandica, 1780, p. 394. 

 [Greenland.] 



Me. — Common, Casco Bay to Eastport. 



Mass. — Cape Aim; Provincetown ; Cohasset; Woods Hole. 



R. I.— Watch Hill. 



Conn. — Near New Haven. 



