108 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



Propodus of second and third legs small, narrower than their re- 

 spective merus joints. 



Description of female holotype (after Holmes). Carapace smooth, 

 shining, a little over twice as wide as long, longitudinally convex, 

 transversely plane, sides evenly rounded; anterior margin straight; 

 front broadly triangular, short, much deflexed, not projecting, a 

 groove behind margin. Orbits nearly as wide as long, inner hiatus 

 wide and partly filled by base of minute antennae. Antennules 

 plicated nearly transversely. 



Epistome very short, curved. Buccal area broadly subtriangular, 

 rounded in front, posterior portion covered by a projection of 

 sternum. Maxillipeds subtriangular, ischium rudimentary; merus 

 large, the portion nearer the mouth bent inward at a considerable 

 angle to outer face ; first joint of palp short and stout, second oblong, 

 third very small. 



Chelipeds rather short, moderately stout, smooth ; merus not much 

 longer than carpus; hand a little compressed, palm thickened, two 



Fio. 58. PAUAPINNIXA NITIDA, FEMALE HOLOTYPE. a, GENERAL OUTLINE, X 23 ; b, ounw 



MAXILLIPED, ENLARGED. (AFTEB HOLMES.) 



longitudinal lines of short cilia on outer surface ; fingers scarcely as 

 long as palm, toothless, hooked at tip ; on upper surface of movable 

 finger a line of cilia roughened by minute projections. 



Legs ciliated on margins; first leg stouter and a little longer than 

 others, anterior surface of merus smooth and concave where it rubs 

 against chelipeds, next two joints stout, dactylus short, subcylindri- 

 cal, curved, and tapers rapidly to an acute, corneous tip ; third leg a 

 little shorter than second, both more compressed than first leg; 

 dactyli similar in all three legs; fourth leg very short, not reaching 

 distal end of merus of third, propodus relatively wider than in other 

 legs, dactylus similar to others. 



Abdomen small, not covering half of sternum; sides of posterior 

 portion concave. 



Color. In spirits, bright orange, chelipeds and legs straw yellow. 



Measurements. Female holotype, length of carapace 5-f-mm. t 

 width of same 11 mm. 



