GASTEROPODA. 87 



COCCULINIDAE. 

 Cocculina beanii Dall. 



Dall, Proc. U. S. Nat. Mus., 1882, vol. 4, p. 403. [south of 

 Marthas Vineyard.] Dall, Bull. Mus. Comp. Zool., 1889, vol. 18, 

 p. 347, pi. 25, figs. 2, 4, 8. 



Mass. — South of Marthas Vineyard, 100 to 335 fathoms. 



SCISSURELLIDAE. 



Scissurella crispata Fleming. 



Fleming, Mem. Wern. Nat. Hist. Soc, 1832, vol. 6, p. 385, 

 pi. 6, fig. 3. " Isle of Noss, Zetland." Forbes and Hanley, 

 Brit. Moll., 1853, vol. 2, p. 544, pi. 63, fig. 6. Dall, Bull. U. S. 

 Nat. Mus., 1889, no. 37, p. 168, pi. 48, fig. 15. 



N. H. — Hampton Beach (Morse). 



TROCHIDAE. 



*Molleria costulata (Moller). 



Margaritaf costulata Moller, Kr^yer's Naturh. Tidskr., 1842, 

 vol. 4, p. 81. [Greenland.] 



Adeorhis costulata Gould, Inv. Mass., 1870, p. 278, fig. 538. 



Me. — Frenchman's Ba}^ 20 to 30 fathoms; Eastport, 30 fathoms. 

 Mass. — Off Cape Ann; off Nantucket, 4 fathoms. 



*Margarites helicina (Phipps). 



Turbo helicinus Phipps, Voyage toward the North Pole, 1774, 

 p. 198. " on the North side of Spitsbergen." 



Margarita arctica Gould, Inv. Mass., 1841, p. 255, fig. 163. 

 Margarita helicina Gould, Inv. Mass., 1870, p. 281, fig. 542. 



Me. — Casco Bay; Frenchman's Bay, low tide to 20 fathoms; 

 Eastport. 



Mass. — Duxbury ; Plymouth. 



