PELECYPODA. 73 



*Macoina balthica (Linne). 



Tellina balthica Linne, Syst. Nat., ed. 10, 1758, vol. 1, p. 677. 

 " M. Balthico." 



Macomafusca Gould, Inv. Mass., 1870, p. 93, fig. 400. 



Macomafragilis Verrill, Rept. Inv. Vineyard Sound, 1873, p. 676, 

 pi. 30, fig. 222. 



Me. to Conn. — Common, especially in the harbors and bays. 



*Macoina calcarea (Gmelin). 



Tellina calcarea Gmelin, Syst. Nat., 1790, vol. 1, pt. 6, p. 3236. 



" MART ISLANDIAM CIRCUMFLUENTE." 



Tellina sordida Couthouy, Boston Journ. Nat. Hist., 1838, vol. 2, 

 p. 59, pi. 3, fig. 11. 



Macoma proxima Gould, Inv. Mass., 1870, p. 95, fig. 401. 



Macoma sabulosa Verrill, Rept. Inv. Vineyard Sound, 1873, 

 p. 677. 



Me. — Casco Bay, 3 to 60 fathoms; Frenchman's Bay, 10 to 15 

 fathoms; Eastport. 

 Mass. — Off Cape Ann ; Georges Bank. 

 R. I.— Ofi' Block Island, 29 fathoms. 

 Conn. — Stonington (Linsley). 



*Macoina tenta (Say). 



Tellina tenta Say, Amer. Conch., 1834, pi. 65, fig. 3. [South 

 Carolina.] Gould, Inv. Mass., 1870, p. 96, fig. 402. 



Me. — Georges River, near Taylor's Point, Cushing's Shore, 

 6 fathoms (Lermond). 



Mass. — Vineyard Sound and Buzzards Bay, 2 to 10 fathoms; 

 New Bedford. 



Conn. — Stonington. 



