310 A. E. Verrilli—Marine Fauna of North America. 
narrowing to a slender base; aperture lunate, near the end, on 
one side, the lower lip sunken or incurved. There are one to 
ea gonothecee on each supporting branch. Color, light yel- 
owish. 
Height of largest specimen, 200™; length of naked part of 
stem, 40™™"; length of pinnee, 18 to 22™™; diameter of stem, 1‘5™™. 
. W from Cape Sable, N. S., 112-115 fathoms, gravel, 1877, 
U.S. F. Com. Also taken on Banquereau, N. S., in 800 fath- 
oms, by the crew of the schooner “ Magic,” Capt. W. Thompson. 
Cladocarpus cornutus, sp. nov. 
crowded, s 
backward, about a third of an inch long. Hydrothece large, 
being situated each side of the base of the large median lobe; 
intrathecal septum narrow, situated near the bottom of the 
hydrothecx. Lateral nematothece elongated, the ends free, 
spreading outward laterally, margin crenulated; median ne- 
matothece short, narrow, tapering, directed outward, with the 
mouth very oblique, and margin crenulated, free for about half 
their length, and not extending so far as the middle of the 
hydrotheca. ach joint of the pinne is divided internally into 
five or six compartments by transverse septa. Gonothece 
swollen, obovate, borne on the mid-rib of the main stem and 
principal branches, at the bases of short, jointed, special pro- 
tective branchlets, either simple or forked, many of which have 
a single hydrotheca, of the ordinary form, on the last joint, but 
only nematothecz on the others. Dark horn-color. 
Height, 70™; length of longest branch, 20™™; length of 
longest pinne, 8 to 9™™. 
Off Sable Island, N. S., on Banquereau, in about 200 fathoms. 
Obtained by the crew of the schooner “Marion,” Capt. J. W- 
Collins, Sept. 12, 1878, and preserved by Mr. Newcomb. 
