358 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



convex except near the sides where it is flat. The groove outlining 

 the gastric region is the most distinct. Surface crossed by more 

 numerous short, transverse, granulated striae than in other species, 

 although on the posterior middle portion the striae are short and 

 sparse. Median emargination of front shallow, continued backward 

 by a closed fissure; outer tooth well marked, projecting forward but 

 bent obhquely downward and sideways. Inner angle of orbit a little 

 less than a right angle; lobe between fissures truncate. Lateral teeth 

 shallow, little projecting; second tooth larger than first, lobiform and 

 separated from it by a u -shaped sinus; third tooth slightly longer 

 than second, three-fourths to five-sixths as long as fourth tooth and 

 rightangled or nearly so, outer margin slightly arched; fourth tooth 

 slightly pointed, outer margin nearly straight and longitudinal; fifth 

 tooth short, acute, directed outward. 



Chelipeds very unequal; the carpus has a very shallow distal 

 groove and a short inner tooth; manus high in both chelae, finely 

 rugose in upper part. Major dactyl strongly arched, a large tooth 

 at base. Fingers of minor chela slender. Color of both immovable 

 fingers running back on palm. Abdomen of male constricted between 

 fifth and sixth segments, terminal segment subtriangular. 



Color. — Yellowish or reddish (Saussure). In freshly preserved 

 specimens from Brazil the upper surface of the chelipeds is purplish, 

 the color thinning out below on the palm in a reticulated pattern; 

 farther down on the outer surface are a number of small spots or 

 dabs of irregular shape, not round as in P. herbstii. 



Measurements. — Male (59447), length of carapace 24.2, width of 

 same 32.7, fronto-orbital width 18.5, width of front 9 mm. 



Range. — West Florida; Bahamas; West Indies to Florianopolis, 

 Brazil. 



Material examined. — 



FLORIDA. — Sarasota Bay, Union College collection; 1 young 

 male (42814). 



Key West, off North Fort Murtane; July 14, 1924; W. L. Schmitt; 

 1 male (60915); gift of Carnegie Institution. 



BAHAMAS.— New Providence; 1886; Albatross; 1 male (16340). 



CUBA.— Cabanas; 2-12 fathoms; S. Sh. Grs. to M.; June 8-9, 

 1914; Henderson and Bartsch, Tomas Barrera Expedition, station 

 16; 1 male (48545), 1 young female (48544). IS-^I 



Mariel; 1900; WilHam Palmer and J. H. Riley: Under stones, be- 

 tween tides; May 10; 6 specimens (23828). June 10; 1 female (23827). 



Cardenas; 1923; Dr. Francisco R. Sosa; 2 males (58392). 



JAMAICA.— March 1-11, 1884; Albatross; 11 males, 4 females 

 (7783). T. H. Morgan; 2 males, 1 female (17215). Kingston Harbor; 

 May-July, 1896; F. S. Conant; 1 male (19593). Kingston; C. R. 

 Orcutt; 1 young male (62536). 



