PELECYPODA. 79 



Panomya arctica (Lamarck). 



Iredale, Proc. Mai. Soc. London, 19L5, vol. 11, p. 341. 



Glycimeris arctica Lamarck, Hist. Nat. Anim. sans Vert., 1818^ 

 vol. 5, p. 458. " l'Ocean arctique, la Mer blanche." 



Mya norvegica Spengler, Skriv. Nat.-Selsk. Kjobenhavn, 1793, 

 vol. 3, pt. 1, p. 46, pi. 2, fig. 18 {nan Gmelin, 1790). 



Panopaea arctica Gould, Inv. Mass., 1870, p. 51, fig. 373. 



Me. — Off Casco Baj', 115 fathoms; Frenchman's Bay, 25 to 

 30 fathoms; Eastport, 40 fathoms. Georges Bank. 



PHOLADIDAE. 



*Barnea costata (Linne). 



Pholas cosfatus Linne, Syst. Nat., ed. 10, 1758, vol. 1, p. 669. 



" EUROPAE AUSTRALIS." 



Barnea {Scohina) costata Dall, Trans. Wagner Free Inst. Sci., 

 1898, vol. ,3, pt. 4, p. 816. 



Pholas costata Gould, Inv. Mass., 1870, p. 36, fig. 363. 



Mass. — New Bedford; Woods Hole; Marthas Vineyard. 

 Conn. — Long Island Sound. 



*Barnea truncata (Say). 



Dall, Trans. Wagner Free Inst. Sci., 1898, vol. 3, pt. 4, p. 816. 

 Pholas truncata Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 



vol. 2, p. 321. " SOUTHERN COAST [oF UNITED StATEs]." Gould, 



Inv. Mass., 1870, p. 38, fig. 364. 



Me. — Scarboro (Roper). 



Mass. — Salem Harbor (Morse); Revere; Vineyard Sounds 



New Bedford; Duxbury. 



R. I.— Bristol. 



CoNN. — Near New Haven. 



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