360 
A. K. Verrill — North American Cephalopods. 
Alloposus mollis Verrill. 
Amer. Jour. Sci., xx, p. 394, Nov., 1880; Froc. Nat. Mus., iii, p. 363, 1880; Bulle- 
tin Mus. Comp. Zool., viii, p. 113, pi. 4, fig. 4; pi. 8, figs. l-2a, March, 1881. 
Plate L, figs. 1, la, 2, 2a. Plate LI, fig. 4. 
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 dorsal much longer than 
the ventral arms; suckers large, simple, in two alternating rows. 
Color deep purplish brown, with a more or less distinctly spotted 
appearance. Total length of a medium sized specimen, 160 mm ; of body, 
to base of arms, 90"""; of mantle, beneath, 50 mm ; of dorsal arms, 70 mm ; 
breadth of body, 70 mm . Other specimens are about one-third larger. 
The sexes scarcely differ in size. 
One mature, detached, hectocotylized arm (Plate LI, flg. 4) was 
taken November 16. This has two rows of large, six or seven-lobed 
suckers, a very long fringe, composed of thin, flat, lacerate processes, 
along each side; the terminal process is fusiform, acute, and loosely 
covered with a thin, translucent membrane, beneath which the inner 
surface, bearing chromatophores, can be seen. Length of this arm, 
200"”"; its breadth, 20"’"'; length of terminal process, 30'"“'; its diame- 
ter, 7"""; diameter of largest suckers, 6“’"’; length of fringe, 15’“"’. 
Taken by the “Fish Hawk,” at Stations 880, 892, 893, 895, about 
100 to 115 miles south of Newport, R. I., in 225 to 487 fathoms. 
Also, oft' the mouth of Chesapeake Bay, at Station 898, November 16, 
in 300 fathoms, by Lieut. Z. L. Tanner. 
Specimens examined. 
Station. 
Locality. 
Path. 
When re- 
ceived. 
Received from. 
Specimens. 
OFF NEWPORT, R. I. 
N. lat. W. long. 
880 
39° 48' 30” 70° 50' 00". . 
252 
Sept. 13, 1880 
U. S. Fish Com. 
2 £ : 1 ? 
881 
Farther southward .. 
325 
Sept. 13, 1880 
do 
1 
892 
39° 46' 00” 71° 05' 00".. 
487 
Oct. 2, 1880 
do. 
1 
893 
39° 52' 20" 70° 58' 00".. 
372 
Oct. 2, 1 880 
do 
2 
895 
39° 56' 30" 70° 59' 45".. 
238 
Oct. 2. 1880 
do 
i 
OFF CHESAPEAKE BAY. 
898 
37° 24' 00" 74° 17' 00".. 
300 
Nov. 16, 1880 
do 
4 
