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. 



*Macoma calcarea (Gmelin). 



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



" MARI ISLANDIAM CIRCUMFLUENTE." 



Tellina sordida Couthouy, Boston Joum. 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.— Off Block Island, 29 fathoms. 

 Conn. — Stonington (Linsley). 



*Macoina tenta (Say). 



Tellina tenia 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. 



