32 ONYCHOTEUTHIDiE. 



claw-like hooks. Sessile arms with hooks at the base, and 

 cups at the tip. 



Shell lanceolate, concave on the edges. 



Ex. A. armata, Quay and Gaimard, pi. 3, fig. 2. 

 Shell, A. armata, fig. 2, a. 



In Ahralia, the sessile arms, besides a series of hooks at 

 the base, have a double row of hemispherical cups at the 

 tip ; and the tentacular arms have a fevv long hooks on the 

 club, alternating with a series of cups. The shell is lanceo- 

 late, and sinuous at the edge near the tip. There is one 

 species from the Indian Ocean. 



Species of Ahralia. 

 armata, Quoy and Gaim. Morisii, UOrh. 



Genus OCTOPODOTEUTHIS, Riippell. 



Fins on the hind part of the back, roundish. Tentacular 

 and sessile arms with claw-like hooks. 



Shell narrow. 



Ex. 0. Sicula, Btlppell and Krolin, pi. 3, fig. 3. Shell, 

 O. Sicula, fig. 3, a. 



This genus, of which but a single species is known, in- 

 habits the shores of Sicily. The sessile arms are cylindrical 

 and curled at the end, with a double series of small nearly 

 sessile subcylindrical cups armed with short curved hooks ; 

 the tentacular arms are very short, with a small club ; the 

 shell is cartilaginous, very slender, and as long as the back. 

 It is the same as the Verania of Krohn. 



Genus ONYCHOTEUTHIS, Lichtenstein. 



Club of tentacular arms with claw-like hooks and cups. 

 Sessile arms with cups and rings. 



