394 Marine Fauna of the Outer Banks 
siphon short, well forward. In the male the right arm of the 
third pair : eapreing dips and developed in a sac, in front 
of the right eye; as found in the sac, it is curled up, and has 
two rows of saaeane the: groove along its edge is fringed ; near 
the end, the groove connects with a rounded, obliquely placed, 
ridges on the inner surface. The permanent attachment of 
the mantle and neck, by means of commissures, is a very dis- 
tinctive character. 
Alloposus mollis Verrill, sp. nov. 
Body stout, ovate, very soft and flabby. Head large, as 
broad as the body; eyes large, their openings small. Arms 
rather stout, not very long, webbed nearly to the ends, the 
in two alternating rows. Color deep purplish brown, with a 
more or less distinctly spotted appearance. Length, total, 160; 
of body, to base of arms, 90; of mantle beneath, 50; of dorsal 
arms, 7 0; breadth of body, 70™. The sexes scarcely differ in 
size. Stations 880, in 225 fathoms, (22,12), 892, 898, 895. 
Cymbulia calceola Verrill, sp. nov. 
Test thick, transparent, rebel rounded at both ends, 
covered, above and below, with low rounded verruce ; aperture 
large, with abs Gukeiied ieee. “Animal pale pink, with 
rown nucleus; fins very large, connate, broadly rounded. 
Length of test, 40™"; breadth, ‘20. aaron 865 to 872, (near 
surface), common 
Pleurotoma A slot Verrill and Smith,* sp. nov. 
Shell large and handsomely sculptured ; whorls eight, con- 
vex, shouldered, with about sixteen thick, rounded, oblique 
ribs, separated by concave reiarag te the ribs do not extend 
above the shoulder, leaving a rather bend flattened band, 
which is covered by raised revolving lines, more or 
ey by prominent lines of growth ae slight riblets, 
unning down from the suture; the revolving lines become 
ribs fade out and the revolving lines become still more promi- 
nent. Outer lip with a wide and rather deep rounded notch 
below the suture; below this it vurves strongly forward, and 
recedes again at the canal, which is rather short, narrowed, an 
a little excurved. Columella smooth, curved, and obliquely 
* Mr. Sanderson Smith has been associated with me, during the present and two 
preceding seasons, in working up the yap mollusea. The species here 
briefly described under our joint names will eh scribed, in detail, in a special 
article in the Proceedings of the National Muse’ 
