96 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



Chelipeds stout; manus inflated, a blunt crest above and two of 

 the same on outer surface, the lower continued on thumb; fingers 

 long, with slender, hooked tips; immovable finger horizontal; pre- 

 hensile edges denticulate. 



Legs short, similar, nearly of a length but diminishing slightly 

 from first to fourth ; lower margins of merus, carpus and propodus 

 densely hairy; posterior surface of carpus-propodus of second and 

 third legs with a thin fringe of hair attached near anterior margin ; 

 dactyli very slender throughout, curved, translucent, a few long? 

 hairs below, tips acuminate. 



Abdomen narrow-triangular, second segment with a prominent, 

 transverse, median tubercle; terminal segment subrectangular with 

 rounded tip. 



Description of female. One damaged female showing a very thin 

 almost shapeless carapace, a broad abdomen and left cheliped 



FIG. 48. PINNOTHERES SHOEMAKEEI, ENDOGNATH OF OUTER MAXILLIPED or MALE HOLO- 

 TYPE, X 97. 



and legs, is referred to this species. A little larger than male. Front 

 and orbits as in male. Surface short-pubescent. Chela more elongate 

 and manus less swollen, its ridges less evident than in male. Legs 

 as in male. 



Measurements. Male holotype, length of carapace 3.7, width of 

 same 3.3 mm. Female (49220), approximate length of carapace 4.7 

 mm. 



Range. West coast of Florida; St. Thomas, West Indies. 



Material examined. 



Charlotte Harbor, Florida; Union College Collection (745, 746, 

 757, 763) ; 3 males, 1 female (deposit in U.S.N.M., Cat. Nos. 49217, 

 49218, 49219, 49220). 



St. Thomas, West Indies ; summer, 1915 ; Clarence K. Shoemaker ; 

 1 male holotype (49216). 



