42 Bulletin 34 74 



Genus HALIRIS Dall 

 fishei'iana Dall, B. M. C. Z., 9, p. 106, 1881 ; Idem, 12, p. 291, pi. 

 2, f. \a-b, '86 ; Bull. 37, p. 66, pi. 2, f. 4a-/^, 1889. 

 Distribution! — North Atlantic to Barbados. 84-229 fms. Gulf, 

 West Fla. region. 



Genus ANISODONTA Deshayes 



(Basterotia) quadrata granatlna Dall 



Corbula quadrata Hinds. See Reeve, Conch. Icon., Corbula, 



f. 40, 1843. 

 Poj-omyaf granatina Dall, B. M. C. Z., 9, p. 109, '81. 

 quadrata var. graiiatina Dall. B. M. C. Z., 12, pi. i, 2, a-b, 

 1886. 

 Distribution. — Typical form. Cape Lookout to St.. Thomas, 

 var., Yucatan Strait, 640 fms. 

 (Fuicrella) elliptica Recluz 



Eucharis elliptica^&chxz. Jour, de Conch, i, p. 168, 1850. 

 Mya simplex Holmes, Post-PL Fos. S. C, p. 55, pi. 8, fig. 



16, 1858. 

 Anisodonta elliptica Vanatta, Proc, Acad. Nat. Sci. Phila., 

 55, p. 756, 1903. 

 Distribution. — N. Carolina to West Florida. Pleistocene to 

 Recent. Gulf coast. — Crooked Isl., Calhoun Co., Fla. 

 The ancestral form is A. caroWia Dall, N. Car. Miocene. 



Genus CETOCONCHA Dall 

 bulla Dall. B. M. C. Z.. 6, p. 61, 1878, (as Lyonsia) ; Idern, 9, p. 

 107, '81 : 12, p. 283, '86, (as Poromya); Bull. 37, p. 68. 

 pi. 39, f. 2, 5, pi. 65, f. 130, '89. 

 Distribution. — Chesapeake to Gulf of Mexico, 1917-1920 fms. 

 Gulf, Lat. 24° N., Long. 84° W., temperature 39° F. All 

 species recent, abyssal. 



Genus CUSPIDARIA Nardo 



glacialis Sars, Moll. Reg. Arct. Norv., 88, pi. 6, f. 8, 1878. 

 {a.s Ne^ra); Verrill and Bush, Proc. U. S. N. M., 20, p. 

 800, pi. 71, f. 9, '98 ; Dall, Bull. 37, U. S. N. M., p. 66, 

 '89 ; Johnson Occ. Papers, Bost. Soc. Nat. Hist. 7, No. 



