400 A, E. Verrill—Mollusca of the New England Coast. 
arms are wanting. Color, in alcohol, orange-brown, due to numerous 
purple and brown specks scattered pretty uniformly over the surface, 
both above and below; the outer portions of the fins appear to have | 
been transparent; the surface of the body appears to have been 
entirely smooth and destitute of tubercles, although the specimen is so 
much injured as to make this a little uncertain. 
Length of body to front edge of mantle, 44™"; length of free 
caudal portion, 6™"; length of the attachment of fin, 34™™; from 
front margin of fin to mantle edge, 3°5""; breadth across fins, 56™™ ; 
length of head, from dorsal cartilage to base of dorsal arms, 19™™; 
length of dorsal arms, 24™™"; diameter at base, 3°5™"; diameter of 
lateral arms, 4™™. 
A single mutilated specimen (No. 40,128) was taken at station 
2235, in 707 fathoms, 1884. 
This species closely resembles A. Verany?, recorded from the 
Indian Ocean, but it apparently differs from the latter in having 
larger fins and in being destitute of the rows of tubercles on the man- 
tle; the arms also appear to differ in their proportions. 
Teleoteuthis (Onychia) agilis Verrill, sp. nov. 
PLATE XLII, FIGURES 2, 2a. 
Body elongated, rather slender, with a rather small caudal fin, 
which is confined to about the posterior third of the body, and has a 
transversely rhombic form, with rounded angles and margins, the 
posterior edge is continuous across the end of the body, without any 
notch, and united to the body to its extreme tip. The dorsal mantle- 
edge is cut nearly square across, with only a faint angle in the 
middle ; below each eye there is a somewhat prominent angle and 
the ventral side is regularly concave. The head is moderately large 
and the eyes are not very prominent. The arms are relatively long, 
prismatic, nearly equal in size and length, but the dorsal ones are 
somewhat shorter than the others. The third pair of arms are com- 
pressed and have a somewhat prominent keel on the distal half. The 
arms bear two regular, well separated rows of moderately large, 
suckers, largest along the middle of the arms, becoming smaller 
proximally, and disappearing above the base. The suckers are 
swollen in the middle and the somewhat contracted horny rim has 
the margin entire or nearly so. The sucker-bearing face of the arms 
is rather broad and margined on each side by a narrow but distinct 
membrane. The tentacular arms are slender, longer than the sessile 
