A, EF. Verrili— Mollusca of the New England Coast. 183 
This species is easily distinguished by the peculiar, elegant, spiral 
microscopic lines, combined with the numerous spiral cinguli, visible 
under a lens, There are no regular transverse ribs. 
Cingula apicina Verrill, sp. nov. 
PLATE XXXII, FIGURE 8. 
Shell conical, rapidly tapering to a very acute, sub-stiliform tip. 
Nuclear whorls about four, smooth, dark brown; the first is minute 
and obliquely incurved; the others very gradually increase, so as to 
form a slender, somewhat stiliform nucleus, below which the normal 
whorls increase much more rapidly. The normal whorls, of which 
there are five, are very convex, evenly rounded, with a strongly 
impressed suture, and everywhere crossed by fine, distinct, obliquely 
raised, slightly flexuous lines of growth, some of which often appear 
as distinct riblets, but without any distinct spiral lines. Aperture 
nearly round, faintly angulated, a little in advance of the middle, by 
a very slight and rather indistinct ridge, which surrounds the base 
near the periphery. Columella-margin thin and somewhat reflexed 
over the umbilical depression; inner lip short, formed by a thin 
layer of enamel closely adherent to the body-whorl. Umbilicus 
small and deep, partially concealed in a front view by the reflexed 
edge of the lip, but distinctly visible in an end view. Epidermis 
thin, closely adherent, light horn-color, without much luster, and 
having a distinctly fibrous appearance, under a lens. Shell grayish 
white. Operculum nearly round, very thin, pale horn-color, with 
very indistinct subspiral lines of growth. 
Length, 7°67"; breadth, 5™™; length of body-whorl and canal, 
5mm; length of aperture, 2°5™™ ; its breadth, 2™™. 
Station 2041, N. lat. 39° 22’ 50”, W. long. 68° 25’, in 1608 fathoms. 
Steamer. Albatross, 1883 (No. 38,070). 
A single living specimen of this species was obtained. The 
animal, in alcohol, has rather short, stout, tapering tentacles, and is 
apparently without eyes. Its generic affinities are doubtful. It has 
some resemblance in sculpture and appearance to Lacuna glacialis, 
but the latter is a stouter shell, with a less distinct umbilicus, and 
without the peculiar stiliform nucleus seen in the present species. 
In the last character it approaches Litiopa, but it has not the notch, 
or rudimentary canal, characteristic of that genus, 
