PELECYPODA. 19 



*Arca (Scapharca) transversa Say. 



Area transversa Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 

 vol. 2, p. 269. " COAST OF THE United States." Gould, Inv. 

 Mass., 1870, p. 148, fig. 456a. 



jMass. — Chatham; Buzzards Bay; Marthas Vineyard; Nan- 

 tucket; \YelIfleet. 



R. I. — Narragansett Bay; Greenwich Bay; near Watch Hill. 

 Conn. — Off New London; New Haven; Stratford. 



Area (Bathyarca) pectunculoides Scacchi. 



Area peetunculoides Scacchi, Test. Napolitani, 1832; Ann. Civ. 

 d. Sicil., 1836, vol. 6, p. 82. Verrill, Trans. Conn. Acad., 1882, 

 vol. 5, p. 573, pi. 44, figs. 5, 6. 



Me. — ^Off Casco Bay, 94 fathoms; Cashe's Ledge, 27 to 90 

 fathoms; Gulf of Maine, 110 to 150 fathoms. 



Mass. — Off Cape Cod, 92 to 122 fathoms; Georges Bank; south 

 of Marthas Vineyard, 76 to 506 fathoms. 



Area (Bathyarea) peetunculoides septentrionalis G. O. Sars. 



Area pectunculoides var. septentrionalis G. 0. Sars, ]Moll. Reg. 

 Arct. Norv., 1878, p. 43, pi. 4, fig. 2. " HlisviG [Norway.] " 



]VLiSS. — South of Marthas Vineyard, 79 to 500 fathoms (Verrill). 



Area (Bathyarca) pectunculoides frielei Friele. 



Area frielei Friele (ex Jeffreys :\is.), Nyt Mag. f. Naturv., 1877, 

 vol. 23, pt. 3, p. 2. [North Atl.^ntic.] Jeffreys, Proc. Zool. 

 Soc. London, 1879, p. 573, pi. 45, figs. 4, 4a. 



Area pectuneuloides var. frielei Verrill, Trans. Conn. Acad., 1882, 

 vol. 5, p. 574. 



Mass. — South of Marthas Vineyard, 100 to 487 fathoms. 



