CEPHALOPODS OF THE PHILIPPINE ISLANDS 



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Figure 24. — Abralia spdrcki Grimpe: a, ventral view of holotype, mantle length 47.0 mm.; 

 b, dorsal view of same; c, left tentacular club of Philippine specimen. 



membrane along the dorsal edge which encloses the tentacular stalk. 

 All of the arms are equipped with a series of biserial compact hooks 

 originating near the base and extending over most of the arm. The 

 hooks are followed distally by about ten pairs of small toothed suckers. 

 The arm tips terminate in three to foiu- rows of minute suckers. 

 The tentacles are long, squarish in cross-section but with a concave 

 oral surface. The club is only moderately expanded and long. It is 

 bordered on each side by a protective membrane of which the dorsal 

 one is low and indistinct. It originates at the carpus and terminates 

 at the base of the last hook. The ventral membrane is wide and large 

 originating at the distal end of the carpus and terminating at the base 

 of the third hook. There is a prominent aboral keel on the distal half 



