﻿PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. c3<0 



as a thill layer of enamel. Umbilicus a small but distiuct chiuk. 

 Leugtb, 2.75""" 5 breadth, 1.80™"'. Auimal uuknowu. 



Dredged b^^ us off Massachusetts Bay, 1877, station 31, in IGO fathoms ; 

 and off Newport, at stations 892 and 894, in 187 and 365 fathoms. 



Cingula turgida (Jeff.) Yerrill. 



liissoa tia-fjida Jeffreys. — G. O. Sars, Moll. Reg. Arct. Norv., p. 183, pl.lO, figs. 

 12 a, b. 



A very small, white species, with smooth, rounded whorls and distinct 

 umbilicus. Station 892, in 187 fathoms. 



Cingula Jan-May eni (Friele) Vewill. 



Bissoa Jan-Mayeni Friele, 'Sjt. Mag. Naturv., 1877 (antli. cop., p. 4, fig. 4). 

 Cingula Jau-Maijeni Yerrill, Amer. Journ. Sci., xvii, p. 311, Apr., 1879. 



This species was conmion at stations 891 to 891, in 238 to 500 fathoms. 

 A single specimen occurred at station 880. It was originally from off' 

 Greenland, 70 to 300 fathoms. Whiteaves has dredged it in the Gulf of 

 Saint Lawr(?nce, 200 fathoms, but it had not hitherto been taken on the 

 Xew England coast. 



Lepetella Verrill. 



Amer. Journ. Sci., xx, jj. 396, Nov., 18H0. 



Shell small, smooth, oval or oblong, limpet-shaped, conical, with a 

 simple subcentral apex, not spiral. Animal much as in Lepeta,, but with 

 distinct eyes. Odontophore ta^nioglossate, with seven regular rows of 

 teeth ; median tooth a rather broad, thin plate, with incurved, smooth, 

 convex edge, narrower than the base ; inner lateral tooth stout, with a 

 broad base and a single incurved, terminal denticle; second lateral 

 tooth larger, with a broader flat base and two terminal incurved denti- 

 cles ; outer laterals smaller, flattened, subtriangular plates. 



Lepetella tubicola Yerrill & Smith. 

 Loc. cit., p. 396, 1880. 



Shell thin, white, smooth, conical, with the apex acute and nearly 

 central ; aperture broad- elliptical, oblong, or subcircular, usually more 

 or less warped, owing to its habitat; edge thin and simple. Sculpture 

 none, lines of growth slight, outer surface dull white ; inner surface 

 smooth, with the i^allial markings faint. Length of largest specimens, 

 3.75'""'; breadth, 3"""; height, 2'"". On inside of old tubes of Ryaliiioecia 

 artifex V. ; tweniy-seven were taken trom one tube. Stations 869, 192 

 fathoms, and 891, 365 fathoms. 



Lovenella "Whiteavesii Yerrill, loc. cit., p. 396, 1880. 

 Cerilh'wpsh coiinlatus Whiteaves {non MoUer). 



A small and elegant species, allied to L. metula (Loven). Elongated, 

 subulate; spire regularly tapering to the acute apex; whorls nine, 

 slightly convex, with a prominent, nodulous, revohiug carina below the 

 middle, and a smaller one just below the suture; on the body- whorl 

 another less elevated and scarcelv nodose carina revolves in line with 



