70 PROCEEDINGS OF THE NATIONAL MUSEUij vol. 7(i 



ACLIS PENDATA, new species 



Shell small, white, polished, acute-conical, with a minute apical 

 and eight or nine subsequent moderately rounded whorls; suture 

 distinct, not appressed; sculpture only of extremely feeble flexuous 

 incremental lines; base shortly rounded; aperture shortly ovate, the 

 margin thin, the outer lip arcuately produced, the anterior margin 

 of the aperture slightly patulous; the inner lip raised, with a minute 

 umbilical perforation behind it. Length of shell, 5; of aperture, 1.3; 

 diameter, 2 mm. U. S. Nat. Mus. Cat. No. 108021. 



Off Fernandina and Georgia, 35 specimens. 



ACLIS CONULA, new species 



Shell small, smooth, white, conical, with a minute blunt apex and 

 about seven moderately convex whorls; suture distinct, not deep nor 

 appressed; sculpture only of faint incremental lines, some of which 

 at rare intervals are more pronounced than others; aperture short- 

 oval, the margins not thickened, the bod}^ without callous deposit; 

 the outer lip protractively arcuate medially; the inner lip concavely 

 arcuate with a minute chink behind it, the base rather abruptly 

 rounded. Length of shell, 3.7; of aperture, 1.1; diameter, 1.7 mm. 

 U. S. Nat. Mus. Cat. No. 108022. 



Off Fernandina, one specimen. 



ACLIS LATA D»ll 



Adis (supranitida Wood, var.?) lata Dall, Bull. Mus. Comp. Zool., vol. 

 18, p. 324, pi. 18, fig. 8, 1889. 



Shell small, elongate-conic, white, with a minute blunt apex and 

 about a dozen slightly convex whorls; suture shallow, appressed; 

 sculpture only of oblique irregular incremental lines, somewhat stronger 

 on the early whorls; aperture short, almost rounded, base abruptly 

 rounded; outer lip thin, slightly arcuate; inner lip with a minute per- 

 foration behind it. Length of shell, 7.6 to 10.5; of aperture, 1.5 to 

 2; diameter, 2.7 to 3 mm. U. S. Nat. Mus. Cat. No. 108041. 



Off Fernandina and Georgia, numerous specimens. Barbados in 

 100 fathoms, U. S, S. Hassler; type. 



ACLIS PYRAMIDA, new species 



Shell small, short-conic, white, smooth, polished, with five and a half 

 moderately rounded whorls; apex blunt, suture well impressed, last 

 whorl about half the length of the shell; base evenly rounded and 

 minutely perforate; aperture subcircular, lips thin, outer lip promi- 

 nently arcuate forward. Length, 2; diameter, 1.1 mm. U. S. Nat. 

 Mus. Cat. No. 108223. 



Off Fernandina, one specimen. 



