ART. 18 SMALL SHELLS DREDGED BY ALBATROSS DALL 15 



One valve off Fernandina; one off Cape Florida in the Gulf of 

 Mexico, in 85 fathoms. 



Genus ERYCINA Lamarck 



ERYCINA FERNANDINA Dall 



Erycina fernandina Dall, Proc. U. S. Nat. Mus., vol. 21, p. 887, pi. 88, 

 fig. 6, 18S9. 



Off Fernandina, one specimen. 



Family THYASIRIDAE 



Genus THYASIRA (Leach) Lamarck 

 Section AXINULUS Verrill and Bush 



THYASIRA SUCCISA Jeffreys 



Thyasira succisa Jeffreys, Ann. Mag. Nat. Hist., vol. 19, Dec. 1876, p. 492 

 Off Fernandina, two valves. 



Family KELLIELLIDAE 



Genus KELLIELLA Sars 



KELLIELLA NITIDA Verrill 



Kelliella nitida Verrill, Trans. Conn. Acad., vol. G, p. 438, 1885; Proc. U. S. 

 Nat. Mus., vol. 20, No. 1139, p. 778, pi. 91, fig. 8; pi. 93, fig. 10, 1898. 



Off Fernandina, eight valves. From north latitude 39° 5' south to 

 latitude 38° 20' in 1,525 to 2,033 fathoms; United States Fish 

 Commission. 



Family CUSPIDARIIDAE 



Genus CUSPIDARIA Nardo 



CUSPIDARIA ARCTICA Sars 



Neaera arctica G. O. Sars, Moll. Reg. Arct. Norv., p. 85, pi. 6, figs. 5 a-5 c, 1878. 

 Off Fernandina, one valve. North Atlantic, Sars and Verrill. 



CUSPIDARIA, sp. indet 



A single right valve resembling C. gracilis in form but more polished 

 and with half a dozen fine radial threads on the rostrum; the resilifer 

 is prominent and directed forward, the hinge is edentulous. In the 

 absence of the other valve it seems best to leave it unnamed. Length, 

 11; height, 7; diameter, 4.3 mm. U. S. Nat. Mus. Cat. No. 108209. 



Off Fernandina, one right valve. In the extensive collection of the 

 genus in the National collection I was unable to match this valve. 



Genus HALONYMPHA Dall and Smith 



HALONYMPHA CLAVICULATA Dall 



Neaera claviculata Dall, Bull, Mus. Comp. Zool., vol. 9, p. 112, 1881. — Smith, 

 Challenger Pelecypoda, p. 52 (not pi. 9, figs. 8, 8 b.) 1885. 



