NO. 3556 PORTUNID CRABS—STEPHENSON AND REES 47 
Anterolateral teeth: Nine, first stout, fourth and sixth quite small, 
eighth larger than ninth, ninth the longest, stoutest, and very 
projecting. 
Carapace: Much broader than long (ca. 2.2 times), with posterior- 
posterolateral junction forming an acute upturned spine, covered 
throughout by very fine, dense pubescence, through which small 
conspicuously raised granular areas are evident, several of these 
being spiniform. Beneath hairs, most of carapace smooth and 
shining. (Granulated areas showing through pile correspond with 
Q 
g N 
Ficure 13.—Portunus spiniferus, new species, male holotype: a, pleopod; b, pleopod 
tip, upper surface; c, abdomen. (Scales=a, 1 mm.; b, 0.1 mm.;c, 5 mm.) 
those in Portunus rugosus complex and the terminology of figure 8 
is employed.) Postfrontals relatively inconspicuous; median gastric 
elongate; protogastrics small and inconspicuous; mesogastrics termi- 
nated anteriorly by tubercle-like elevation; metagastrics each a small 
tubercle; postorbitals each composed of four reasonably distinct 
patches, the two posterior patches with ridgelike anterior termina- 
tions; anterolaterals large and conspicuously elevated; epibranchials 
conspicuous; anterior mesobranchial two discrete patches, both 
elevated, one much smaller than the other; central mesobranchial, 
