DECAPOD CRUSTACEANS OF THE WEST INDIES 191 



irregularly denticulate on flexor margin; palm with distinct crenulate 

 dorsal ridge extending over entire length; fingers pointed, very ob- 

 scurely spoon tipped, movable finger with row of eight or nine small 

 acute tubercles on extensor margin. Walking legs long and flattened, 

 merus of third pereiopod about one-third as wide as long, with sharp 

 subdistal tooth on extensor margin; dactyl long, at least one-third again 

 as long as extensor margin oj propodus. Denuded first pleopod of male 

 terminating in posterior view in rather long endpiece mth subparallel 

 margins and sinuously truncate tip directed distolaterally (fig. 62g). 

 A rather smaU species, maximum carapace length in midline probably 

 little more than 15 mm. 



Habitat. — Unknown, probably at least partially terrestrial at 

 higher elevations. 



Distribution. — Known only from Jamaica. 



77. Sesarma (Sesarma) verleyi Rathbun 



Sesarma (Sesarma) verleyi Rathbun, 1914, p. 123, pi. 6 [tj^pe-locality: Mulgrave 



Parish of Samt Elizabeth, Jamaica]; 1918, p. 288, pi. 76. 

 Sesarma verleyi. — HartnoU, 1964, p. 164, fig. 14b. 



Diagnosis. — Carapace trapezoidal, nearly nine-tenths as long in 

 midline as ^^dde, rather strongly convex longitudinally, especiaUy 

 anteriorly, shghtly convex transversely except on posterior branchial 

 regions, striate laterally, sparsely and finely granulate elsewhere; 

 lateral margms converging rather strongly anteriorly, with small 

 blunt upstanding tooth posterior to outer orbital angle, fronto- 

 orbital distance less than three-fourths of maximum width of carapace; 

 front abruptly deflexed at postfrontal lobes, less than two-fifths as 

 wide as carapace, margin Avith pronounced median sinus in dorsal 

 view. Eyes reduced, cornea distinctly narrower than eyestalk. True 

 ventral margin of orbit largely replaced by nearly straight hairy 

 granulate ridge accentuated posteriorly by rather deep groove, mesial 

 end of ridge not reaching anterolateral angle of mouth area. Third 

 maxiUipeds with oblique hairy ridge on merus, gaping widely, es- 

 posing mandibles. Chelipeds subequal, carpus not produced, armed 

 vni\\ few denticles on flexor margin; palm with scattered tubercles 

 arranged dorsally in oblique rows; fingers very sharp pointed, not 

 spoon tipped, movable finger with row of about dozen obscure tubercles 

 on extensor margin. Walking legs very long and flattened, merus of 

 third pereiopod less than one-fourth as wide as long, with broadly 

 acute subdistal tooth on extensor margin; dactyl about as long as 

 extensor margin of propodus. A medium-sized species, maximum 

 carapace length in midhne about 21 mm. 



Habitat. — Subterranean fresh water. 



Distribution. — Known only from Jamaica. 



