8 AUSTRALASIAN ANTARCTIC EXPEDITION. 
Crass CEPHALOPODA. 
OrpeR DIBRANCHIATA. 
SuBorDER OCTOPODA. 
Family CrrRoTEUTHID. 
Genus Staurotreutuis Verrill, 1879. 
1.—-STAUROTEUTHIS (?) MAWSONI 7”. sp. 
(Pl. X., fig. 1.) 
Description : 
Body relatively firm, smooth, almost sepioliform; strongly compressed dorso- 
ventrally, well rounded below, but only very slightly arched above the fins. Fins very 
large, almost as long as the mantle at their base, where they are firmly attached, thence 
Fig. 1.—Stauroteuthis mawsone. 
Type X 3. 
tapering slightly to their somewhat truncate and squared extremities. Hach separate 
fin almost as wide as the body ; anterior margins nearly straight and extending practi- 
cally at right angles to the longitudinal axis of the body ; posterior margins tending 
obliquely backward until they become continuous with one another around the posterior 
region of the mantle by means of a conspicuous broad flat fold of the integument, traces 
