OMMATOSTREPHIDiE. 39 



the club has also a great number of small suckers, whilst a few 

 nearly sessile ones are scattered on the inner surface of the 

 peduncle. Most of these had no denticulations on the rings. 

 The beak has a wide, strong tooth about the middle of the edge 

 of the upper mandible, and a much narrower notch on the outer 

 mandible, on each side. These specimens are now in the Museum 

 of the Royal Society, at Dublin. 



Several very large cephalopods have been stranded on the coasts 

 of Newfoundland and Labrador, within the past few years ; most 

 of them have been well described hy Prof. A. E. Yerrill. 



STEENSTRUPIA, Kirk, 1882. Large, body comparatively slender, 

 cylindrical, very slightly swollen in the middle ; caudal fin small, 

 rhomboidal, lateral ; head long and narrow ; eyes large, round ; 

 sessile arms small, all of same size ; suckers stalked ; intei'nal 

 shell lanceolate, with a hollow conical apex. S. Stockii, Kirk, 

 New Zealand. 



PLEGTOTEUTHis, Owcn, 1881. Folded squid. Suckers upon a 

 relatively broader flattened tract than in Ommatostrephes ; back 

 or dorsal side of the arms also with a broad tract, flanked by a 

 thin fold of the integument extending the length of the arm on 

 either side. 



Described from a single gigantic arm preserved in the British 

 Museum. The suckers are as in Ommatostrephes. The ventral 

 arms of Architeuthis are similarly fringed, and it is very doubtful 

 whether the characters given by Owen are suflflciently distinctive 

 even for a subgenus. P. grandis, Owen (xxiv, 17). 



MASTiGOTEUTHis, Verrill. Body elongated, tapering to a point, 

 confluent with the caudal fin posteriorly. Caudal fin very large 

 and broad, rhomboidal, occupying about half the length of the 

 body. Mantle fastened to the base of the siphon by an ovate, 

 ear-shaped elevated cartilage on each side, fitting into corres- 

 ponding deep, circumscribed pits on the base of the siphon. 

 Siphon with a bilabiate aperture, an internal valve, and a pair of 

 dorsal bridles. Eyes large, with round pupils ; lids free, thin, 

 apparently with a very small anterior sinus. Arms very unequal, 

 the ventral ones much the longest. Suckers small, in two regular 

 rows. Tentacular arms long and round, tapering to the tips, 

 shaped like a whip-lash, without any distinct club ; the distal 

 portion is covered nearly all around with exceedingly numerous 

 and minute suckers, which have only a very narrow, naked 

 line along the outside. Pen narrow and bicostate anteriorly, 

 very slender in the middle ; posteriorly much larger, with a long 

 tubular cone. 



This remarkable squid is distinguished by the character of the 

 tentacular arms and suckers, the pen, the connective cartilages, 

 and simple eyelids. 31. Agassizii, Verrill (xxiv, 15, 16). 



