PELECYPODA. 73 



*Macoina balthica (Linne). 



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

 " M. Balthico." 



Macoma fusca 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. 



*Macoma calcarea (Gmelin). 



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



" MARI 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 sahulosa 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.— Off Block Island, 29 fathoms. 

 Conn. — Stonington (Linsley). 



*Macoma 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. 



