PELECYPODA. 75 



Abraaequalis (Say). 



Veirill, Rept. Inv. Vineyard Sound, 1873, p. 679. 

 Amphidesma aequalis Say, Joum. Acad. Nat. Sci. Phila., 1822, 

 ser. 1, vol. 2, p. 307. " southern coast [of United States]." 



Conn. — Stonington, from cod stomach (Linsley). 



SOLENIDAE. 

 Solen viridis Say. 



Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, vol. 2, p. 316. 

 " southern coast [of United States]." Verrill, Rept. Inv. Vine- 

 yard Sound, 1873, p. 675. 



R. I. 



Conn. — Stonington (Linsley). 



*Ensis directus (Conrad). 



Dall, Proc. U. S. Nat. Mus., 1899, vol. 22, p. 107. 



Solen directus Conrad, Proc. Acad. Nat. Sci. Phila., 1843, vol. 1, 

 p. 325. " Neuse river, below Newbern, North Carolina. 

 Miocene? " 



Solen ensis var. americanus Gould, Inv. Mass., 1870, p. 42, fig. 

 366. 



Ensatella americana Verrill, Rept. Inv. Vineyard Sound, 1873, 

 p. 674, pi. 26, fig. 182; pi. 32, fig. 245. 



Me. to Conn.— The common " Razor Shell." 



*Siliqua costata (Say). 



Verrill, Rept. Inv. Vineyard Sound, 1873, p. 675, pi. 32, fig. 244. 

 Solen costatvs Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 

 vol. 2, p. 315. " Great Egg Harbour, New Jersey." 

 Machaera costata Gould, Inv. Mass., 1870, p. 47, fig. 370. 



Me. — Casco Bay; Scarboro. 

 Mass. — Revere; Nahant. 



