CEPHALOPODS OF THE PHILIPPINE ISLANDS 



33 



Figure S.^a, Sepia andreana Steenstrup, female, 52.5 mm. mantle length. 

 latimanus Quoy and Gaimard, female, dorsal view. 



b, Sepia 



The shell is very long and slender, about a fourth as wide as long. 

 It is sharply pointed posteriorly and somewhat less so anteriorly, the 

 posterior end terminating in a small discoidal outer cone bearing a 

 small spine. The posterior two-thirds of the shell has straight 

 edges which form a very narrow V. The sides are strongly angled 

 a third the distance from the anterior end, and thence the sides are 

 more curved. Dorsally, the shell has a straight median ridge, 

 slightly grooved on either side. The chitinous areas on each side are 



