[211 J CEPHALOPODS OF NORTHEASTERN COAST OF AMERICA. 421 



triangular and curved forward. On the larger suckers (Plate XL'VT, 

 figs, ltf, le) the outer teeth are obtuse, but on the distal ones they become 

 more slender and acute. The margins of the suckers are surrounded 

 with small, elongated scales. 



The buccal membrane is thin and much produced, with the angles 

 little prominent ; it is attached to the arms by eight thin, but wide, 

 bridles, the two superior ones united together near their origin. The 

 web between the arms is rudimentary but distinct. The pen (fig. la) is 

 very unlike that of C. Veranyi, as figured and described by D'Orbigny. 

 It has a long, narrow shaft, of nearly uniform width, and a long poste- 

 rior portion, a little wider than the shaft, corresponding in length to 

 that of the caudal fin; at the commencement, this portion expands into 

 narrow, free, incurved margins, but these unite quickly so as to form a 

 long, narrow, angular, tubular portion, tapering to a very slender tip; 

 this portion (fig. la") has a distinct dorsal keel, with a groove each side 

 of it, two dorsal angles, and a ventral angle along each side; the narrow 

 shaft has a dorsal keel, with the sides bent down abruptly, nearly at 

 right angles, and a little incurved, so as to produce a squarish keel 

 above, with a deep angular groove below, while the very narrow mar- 

 gins bend outward abruptly (fig. la') ; the shaft increases very slightly 

 in width, to near the subacute anterior end, but preserves the same 

 form, and there is no distinct dilation of the margin anteriorly, such as 

 D'Orbigny figures in the pen of C. Yeranyi, nor does the posterior por- 

 tion resemble his figure, though if split open and flattened out it would 

 resemble it more nearly. 



This specimen is an adult male, in the breeding condition, for its 

 spermatophore-sac is much distended with spermatophores. The color 

 is much like that of G. Veranyi. It is everywhere thickly specked with 

 small, purplish brown chromatophores, except on the buccal membrane 

 and the bases of the tentacular arms, where there are but few ; the head, 

 around the eyes, and the end of the siphon are darker; a row of very dis- 

 tinct, rather large, round, dark purple spots runs along the inner surface 

 of the ventral arms, just outside of, and alternating with, the upper row 

 of suckers, which they about equal in size. 



Total length, to end of ventral arms, 383 mm ; to end of third pair, 

 3C0 mm ; to end of dorsal arms, 298 mm ; tail to dorsal mantle edge, 125 mm ; 

 to base of dorsal arms, 178 mm ; length of dorsal arms, 120 mm ; of second 

 pair, loO mm ; of third pair, 188 mm ; of ventral, 205 mm ; length of caudal 

 fin, G0 mm ; its greatest breadth, 41 mm ; breadth of head at eyes, 20 mm ; 

 of dorsal arms, 7 mm ; of third pair, 10 mm ; of ventral arms, 13 mm ; of 

 bases of tentacular arms, 3 mm ; diameter of largest suckers of lateral 

 arms, 2.25 mm . 



Brown's Bank, off Nova Scotia, taken from the stomach of a cod (lot 

 95G). Presented to the United States Fish Commission by Capt. Wm, 

 Dempsy and crew, of the schooner "Clara F. Friend," June, 1881. 



The internal anatomy is somewhat peculiar in several respects, but will 

 not be fully described in this place. 



