GASTEROPODA. 167 



AeoHs salmonacea Gould, Inv. Mass., 1870, p. 240, pi. 18, figs. 

 264, 265. 



Mass.— " Tide-water of Charles River," Boston. 



Coryphella diversa (Couthouy). 



Bush, Proc. U. S. Nat. Mus., 1883, vol. 6, p. 242. 



Eolis diversa Couthouy, Boston Joum. Nat. Hist., 1839, vol. 2, 

 p. 187, pi. 4, fig. 14 (not fig. 9). " Massachusetts Bay, Chelsea 

 Beach." 



Acolis diversa Gould, Inv. Mass., 1870, p. 247, pi. 19, figs. 267, 

 268 (not fig. 280, ?fig. 276). 



Mass. — Massachusetts Bay, spring, among roots of Laminaria 

 sacchariiui. 



Coryphella stimpsoni (Verrill). 



Verrill, Proc. U. S. Nat. Mus., 1880, vol. 3, p. 388; Trans. Conn. 

 Acad., 1882, vol. 5, p. 552, pi. 42, fig. 14. 



Cvihona stimpsoni Verrill, Amer. Journ. Sci., 1879, ser. 3, vol. 17, 

 p. 314. '' Eastport, Me." 



Me. — Eastport, low water; Jeffreys Ledge, 51 fathoms. 

 Mass. — Salem Harbor; Massachusetts Bay. 



Coryphella rutila Verrill. 



Verrill, Amer. Journ. Sci., 1879, ser. 3, vol. 17, p. 314. " East- 

 port, Me." Verrill, Trans. Conn. Acad., 1882, vol. 5, p. 552. 



Me. — Eastport at low water. 



Coryphella nobilis Verrill. 



Verrill, Proc. U. S. Nat. Mus., 1880, vol. 3, p. 388. " off Cape 

 Cod." Verrill, Trans. Conn. Acad., 1882, vol. 5, p. 552, pi. 42, 

 fig. 15. 



Off Cape Cod, in 75 fathoms, Sept. 1, 1879 (Verrill). 



