AKT. 18 SMALL SHELLS DREDGED BY *' ALBATROSS '' BALL 107 



Family NATICIDAE 



EUSPIRA BAHAMENSIS, new species 



Shell small, white, rather depressed, of three and a half well rounded 

 whorls, the suture deep ; surface smooth except for two or three spiral 

 striae, directly in front of the sutm'e and more or less obsolete on the 

 later whorls; aperture ovate, narrow behind, outer lip sharp, inner lip 

 nearly straight, not callous, but united by a layer of enamel over the 

 body with the outer lip; umbilicus large, funicular. Altitude, 6.3; 

 diameter, 8 mm. U. S. Nat. Mus. Cat. No. 107447. 



Dredged by the United States Bureau of Fisheries at Station 2324, 

 on the Great Bahama Bank in 33 fathoms. 



This is nearly the size of N. leptalea Watson, but more depressed 

 and with a much larger umbilicus. 



Family TURBINIDAE 



Genus LEPTOTHYRA (Carpenter) Pease 



LEPTOTHYRA INDUTA Watson 



Turbo (Collonia) indutus Watson, Journ. Linn. Soc, vol. 14, p. 715, 1879, 



Challenger Rep., Gastr., p. 128, pi. 6, fig. 1, 1885. 

 Leptothyra {induta var.) albida Dall, Bull. Mus. Comp.[^Zo61., vol. 9, p. 48, 



1881; vol. 18, p. 352, pi. 38, fig. 6, 1889. 

 Leptothyra induta Dall, in Agassiz, Three cruises of the Blahc, vol. 2, p. 69, 



fig. 287, 1888. 



Off Georgia and Fernandina, four specimens; thence through the 

 Antilles and Yucatan Strait, in 152 to 640 fathoms. 



Family TROCHIDAE 



Genus SOLARIELLA Wood 



SOLARIELLA CANCILLA, new species 



Shell minute, conical, white, with a very small smooth nucleus 

 and about five well rounded whorls; suture distinct, not deep; spiral 

 sculpture of (on the penultimate whorl four, on the last whorl six) 

 subequal threads with narrower interspaces evenly spread over the 

 whorl between the sutures; axial sculpture of numerous oblique sim- 

 ilar threads with narrower interspaces forming above the base with 

 the spirals a dense reticulation; base rounded with similar spirals but 

 the axials obsolete; aperture subcircular; the pillar lip thickened, con- 

 cavely arcuate, with a minute chink behind it, the remainder of the 

 margin thin, simple, hardly pearlaceous. Height, 3.5; diameter, 3 

 mm. U. S. Nat. Mus. Cat. No. 108120. 



Off Fernandina and Georgia, 46 specimens. 



There is some difference in proportions among the specimens, most 

 of which are young, some being more slender than others. 



