8 
AUSTRALASIAN ANTARCTIC EXPEDITION. 
Class CEPHALOPODA. 
Order DIBRANCHIATA. 
Suborder OCTOPODA. 
Family CirroteuthidvE. 
Genus Stauroteuthis Verrill, 1879. 
1.—Stauroteuthis (?) mawsoni n. sp. 
Description : 
(PI. X., fig. 1.) 
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 mawsoni. 
Type X 3. 
tapering slightly to their somewhat truncate and squared extremities. Each 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 
