326 U.S. NATIONAL MUSEUM BULLETIN 2 36 



Antenna (fig. 1306) with allobasis and unsegmented, short exopodite, 

 bearing 4 setae. Endopodite with 5 marginal and 2 internal spiniform 

 setae; 4 marginal setae are geniculate. Internal border spinulose. 



Cutting edge of mandibular praecoxa (fig. 130c) with 6 teeth and 1 

 seta; palp much reduced, represented by styliform process, 2-seg- 

 mented, bearing 2 setae. 



Maxillule (fig. 130(f) Avith well-developed praecoxal arthrite, bearing 

 7 spiniform setae. Endites of coxa and basis distinct, conical, each 

 with 2 setae. Endopodite greatly reduced, bearing 3 setae. Exopo- 

 dite small, conical, bearing 4 setae. No epipodite. 



Maxilla (fig. I29g) with 2 small praecoxal endites and 1 coxal endite, 

 each with 3 setae. Basal endite large, with strong, curved spine, 

 coalescent with endite. In addition, there are 4 setae near the inser- 

 tion of the spine, probably representing the endopodite. 



Maxillipede (fig. 129^) chelate, of usual type. Basis with slightly 

 swollen external margin and straight internal margin; endopodite 

 unsegmented, slender, slightly curved, exceeding basis in length. 



Leg 1 (fig. 129a) with 3-segmented endopodite and exopodite. 

 Coxa big, with spinulose internal and external margin. Basis with 

 external seta; endopodite placed on distinct socle, bearing short spine. 

 Exopodal segments of equal length, 2nd without internal seta; 3rd 

 with 4 appendages. 1st endopodal segment styliform, 6 times as 

 long as wide, twice length of exopodite, internal margin spinulose. 

 Segments 2 and 3 more or less fused, forming pointed claw, of which 

 apex is slightly curved. Fine seta occurs on segment 2 near fusion 

 with 3rd segment. 



The particulars of legs 2 to 4 appear from the setal formula, figures 

 129c-d, and the following notes. Setation of endopodite of leg 2 

 slightly variable, being 4 setae in the holotype and 3 in the other 

 female (paratype) specimen. Setal formula: 



Legs 2 to 4 with 3-segmented exopodites and 2-segmented endopo- 

 dites. Basis with long external seta. Seta at internal margin of 

 2nd exopodal segment fine. Endopodite of leg 4 very small. 



Leg 5 (fig. 129g) with well-developed, broad baso-endopodite, 

 reaching upper third of exopodite. Margin of baso-endopodite 

 strongly spinulose and carries 4 setae. Exopodite ovate, twice as 

 long as broad, attached with very narrow strip, with 5 marginal setae 

 along spinulose border: 3 at external border, 1 at apex, and 1 at 

 internal border. Development of the setae can best be judged from 

 figures 129e,i. 



