100 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



with the first two joints short and broad, the dactylus small, inserted 

 near middle of margin of propodiis. 



Chelipeds stout; a tuft of hair at distal, inner angle of merus; 

 manus nearly as wide as superior length, and increasing distally in 

 width a little, upper margin almost straight, lower convex, distal 

 width greater than width across base of fingers; fingers broad at 

 base, regularly tapering, denticulate on prehensile edges, a tooth at 

 base of right dactyl. 



FlO. 51. PlNNOTHEEBS HBMPHILH, OU'l'KU MAXIhLII'EU OF MALE HOLOTYPK, X 110. 



The length of the legs is expressed by 2.3.1.4; the second is dis- 

 tinctly longer than the others ; and especially is its propodus, which 

 differs also from the others in its concave posterior margin ; posterior 

 margin of propodus 1 convex, of 3 and 4 straight, anterior margin 

 of all convex; dactyli curved, the second one longer and narrower 

 than all the others; dactyli 1, 3, and 4 are very stout at base, sub- 

 conical with short curved tip. 



Sternum with a sharp obliquely transverse crest running inward 

 from base of legs 1, 2, and 3. 



Measurements. — Male holotype, length of carapace 2.3, width 

 3 mm. 



Range. — Known only from the type-locality. 



