CEPHALOPODS OF THE PHILIPPINE ISLANDS 



83 



Figure 14. — Doryleuthis singhalensis (Ortmann): a, dorsal view of male, mantle length 162.0 

 mm.; b, arm sucker, 8th row, arm III; c, left ventral arm; d, largest sucker of 

 tentacular club; e, buccal membrane;/, gladius. 



of which a few are small and placed alternately between the larger 

 ones. The horny rings of the outer suckers bear about 18 teeth; 

 those on the inner margin are minute but those of the outer margin 

 are large and sharply pointed. Distal of the hand part, the small 

 suckers are crowded into four regular rows, decreasing in size to the 

 rounded tip of the club. 



