36 FAUNA OF NEW ENGLAND. 



PERIPLOMIDAE. 



*Periploina fragilis (Totten). 



Dall, Bull. U. S. Nat. Mus., 1889, no. 37, p. 64, pi. 59, fig. 7. 



Anatina fragilis Totten, Amer. Joum. Sci., 1835, ser. 1, vol. 28, 

 p. 348, fig. 1. " Newport Harbor, R. I." 



Anatina papyracea Gould, Inv. Mass., 1870, p. 66, fig. 382 {non 

 Say, 1822). 



Me. — Casco Bay, 10 fathoms; Frenchman's Bay, 4 to 10 fath- 

 oms; Old Orchard. 



Mass. — Massachusetts Bay. 



R. I.— Off Block Island, 29 fathoms. 



*Periploina (Cochlodesma) leanum (Conrad). 



Dall, Bull. U. S. Nat. Mus., 1889, no. 37, p. 64, pi. 59, fig. 6. 

 Anatina leana Conrad, Journ. Acad. Nat. Sci. Phila., 1831, ser. 1, 



vol. 6, p. 263, pi. 11, fig. 11. " NORTHERN COAST OF THE U. S." 



Cochlodesma leanum Gould, Inv. Mass., 1870, p. 68, fig. 383. 



Me. — Casco Bay; Frenchman's Bay; Eastport. 

 Mass. — Nahant; Cape Cod; Vineyard Sound; Nantucket; 

 Georges Bank. 



Conn. — Long Island Soimd, 3 to 10 fathoms. 



THRACIIDAE. 



*Thracia conradi Couthouy. 



Couthouy, Boston Joum. Nat. Hist., 1839, vol. 2, p. 153, pi. 4, 

 fig. 2. " COAST of New England." Gould, Inv. Mass., 1870, 

 p. 69, fig. 384. Morse, Nautilus, 1913, vol. 27, p. 73. 



Thracia declivis Conrad, Amer. Marine Conch., 1832 (?), p. 44, pi. 9, 

 fig. 2 (wow Pennant, 1778). 



Me. — Casco Bay, 6 to 15 fathoms; Frenchman's Bay, 3 to 16 

 fathoms; Eastport, 6 fathoms. 



