16 PROCEEDINGS OF THE NATIONAL MUSEUM vol.70 



Halonympha claviculata Dall, Bull. Mus. Comp. Zool., vol. 12, No. 6, p. 

 301, pi. 2, figs. 2,2 a., 1886. 



Off Fernandina, two valves. Also near Bermuda in 435 fathoms, 

 and off Havana in 450 fathoms. 



Family ASTARTIDAE 



Genus ASTARTE J. Sowerby 



ASTARTE GLOBULA Dall 



Astarte smithi, var. glohula Dall, Bull. Mus. Comp. Zool., vol. 12, No. 6, 



p. 260, 1886. 

 Astarte glohula 'Da-li.^Vtoc. U. S. Nat. Mus., vol. 24, No. 1264, p. 508, pi. 



32, fig. 6, March, 1902. 



Off Fernandina, numerous specimens. At various localities in the 

 Antilles; United States Fish Commission. 



Family MESODESMATIDAE 



Genus ERVILIA Turton 



ERVILIA CONCENTRICA Gould 



Ervilia concentrica Gould, Proc. Boston Soc. Nat. Hist., vol. 8, p. 281, Feb., 

 1862; Otia Conch., p. 239, 1862. 



Off Georgia. Off the coast of North Carolina; Gould. 

 Family PHOLADIDAE 



Genus DIPLOTHYRA Tryon 



DIPLOTHYRA SMITHII Tryon 



Diplothyra smithii Tryon, Proc. Acad. Nat. Sci. Phila., 1862, p. 450, text 

 figure, September, 1862. 



Off Fernandina, one valve; Staten Island, Tryon. 



SCAPHOPODA 

 Family DENTALIIDAE 



Genus DENTALIUM 

 Section ANTALIS H. and A. Adams 



DENTALIUM CERATUM Dall 



Dentalium ceratum Dall, Bull. Mus. Comp. Zool., vol. 9, p. 38, 1881; 

 vol. 18, p. 424, pi. 26, fig. 5; pi. 27, fig. 2, 1889.— Henderson, Bull. 

 U. S. Nat. Mus. No. Ill, p. 50, pi. 7, figs. 2, 4, 5, 6, 7, 1920. 



Off Fernandina. Also from the Florida Keys to Barbados in 60 to 

 805 fathoms, temperatures 39.75° to 46.75° F. 



