NO. 3556 PORTUNID CRABS—STEPHENSON AND REES 23 
Carapace: With inconspicuous pubescence and distinct granulated 
areas. Frontals and orbitals poorly developed. Mesogastrics and 
metagastrics distinct granular transverse lines connected by broad 
central granular patch. Protogastrics with larger anterior and smaller 
posterior region, latter with ridgelike anterior boundary. Cardiacs, 
median postcardiac, and lateral postcardiacs all conspicuously raised, 
rounded, granular areas. Mesobranchials resolvable into three patches. 
Epibranchials and posterolaterals well developed. Posterior-pos- 
terolateral junction rounded. 
Chelipeds: Pubescent and markedly granular, especially on inner 
surfaces. Posterior border of arm with two sharp spines, anterior 
border with four spines. Wrist with inner and outer spine. Hand 
with two well-marked outer carinae, upper being granular. Two 
carinae on upper surface of hand, inner being the better developed and 
terminating in a spine just before end of segment. No recognizable 
carinae on inner surface of hand, this completely covered with large 
rounded granules showing through fairly dense pubescence. 
Fifth leg: Posterior borders of merus, carpus, and propodus orna- 
mented only with hairs. 
Third maxilliped: Anteroexternal angle markedly produced laterally. 
Male abdomen: Penultimate and ultimate segment gradually taper- 
ing, latter three-fifths length of former. Male abdomen and entire 
undersurface shining. 
Male first pleopod: Short and stout with undulating outer side and 
sharply curved tip pointing outward. Outer surface bearing long, 
and inner surface bearing shorter bipinnate hairs. Terminal armature 
ill developed and consisting of three or four minute spinules on upper 
surface and five or six on lower. 
Remarks.—In its general facies this species resembles P. gladiator 
Stephenson and Campbell (1959) but differs from it in having a much 
shorter last anterolateral spine so that the anterolateral borders appear 
almost without curvature, in the absence of serrations on the postero- 
distal border of the fifth merus, and in possessing a male pleopod 
unique to the genus. 
The species is probably closest to P. granulatus, particularly in the 
eranular areas of the carapace and the form of male pleopod, but differs 
conspicuously in carapace shape, in having a longer last anterolateral 
tooth, and in the characteristic form of its male pleopod. Edmond- 
son’s (1954) figure 16b of this pleopod obviously refers to the present 
species and not to P. granulatus. 
DistrIBUTION.—Previously known only from the Gulf of Manaar 
and Negombo, Ceylon, and Hawaii. 
