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PROCEEDINGS OF THE NATIONAL MUSEUM 



measuring 360/x, 600/x, and 960/x, respectively. Thoracic segment 

 bearing leg 5 free, not combined to form genital segment. Genital 

 segment somewhat Avider than long (300m by 340^). Abdomen 2- 

 segmented, segments measuring 141^ and llSju, respectively. Caudal 

 rami (fig. 31) about twice as long as wide (132^ by 75^), bearing 3 

 termmal spines and 3 subterminal setae. Rami covered with spinules 

 on dorsal surface. 



Figures 31-40. — Eudactylina pollex, new species, female: 31, caudal ramus; 32, first an- 

 tenna; 33, second antenna; 34, mandible; 35, first maxilla; 36, second maxilla; 37, maxil- 

 liped; 38, first leg; 39, second leg; 40, endopod of third leg. 



Oral area as in other members of genus. First antenna (fig. 32) 

 5-segmented, each segment armed with short, naked setae as in 

 figure. Second antenna (fig. 33) 4-segmented. Terminal segment in 



