CEPHALOPODS OF THE PHILIPPINE ISLANDS 



87 



d 



Figure 16. — Doryieuthis reesi Voss: a, dorsal view of holotype, mantle length 70.0 mm.; 

 h, gladius; c, ventral arms; d, arm sucker, 9th row of arm III; e, left tentacular 

 club;/, largest sucker of tentacular club. 



present. There are about 17 pairs of the minute pedicels, barely dis- 

 cernible, beyond which the end of the arm is long, slender, and smooth. 

 In the distal part, the protective membrane is absent but the tra- 

 beculae remain, somewhat longer than the pedicels. The ventral keel 

 terminates prior to the dorsal keel, and abruptly. 



The tentacles are short, only a httle longer than the longest arm, 

 compressed, with an aboral keel which originates near the base of the 

 stalk. At about the level of the 5th proximal row of suckers, the keel 

 is superseded by a broad swimming membrane on the aboral siu-face 

 of the club, which extends to the tip. On the oral sm-face there is a 



