. Bulletin - United States National Museum. Science. 118 BULLETIJSr 9-7, UNITED STATES NATIOWAJ. MUSEUM. Dissodactylus mellUae Rathbun, Bull. U. S. Fisli t'onmi., vol. 20, for 19(K) pt. 2 (1901), p. 21. Diagnosis.âEdge of front concave. Dorsal ridge nearly as long as antero-lateral distance. Fingers of male gaping. Dactyli of legs 1-3 bifurcate for half their length. Male abdomen obtusely angled at sixth segment. Palp of outer maxilliped 2-jointed. Description.âCarapace distinctly wider at lateral angles than pos- teriorly; antero-lateral and postero-lateral margins subequal. Dorsal surface ne
. Bulletin - United States National Museum. Science. 118 BULLETIJSr 9-7, UNITED STATES NATIOWAJ. MUSEUM. Dissodactylus mellUae Rathbun, Bull. U. S. Fisli t'onmi., vol. 20, for 19(K) pt. 2 (1901), p. 21. Diagnosis.âEdge of front concave. Dorsal ridge nearly as long as antero-lateral distance. Fingers of male gaping. Dactyli of legs 1-3 bifurcate for half their length. Male abdomen obtusely angled at sixth segment. Palp of outer maxilliped 2-jointed. Description.âCarapace distinctly wider at lateral angles than pos- teriorly; antero-lateral and postero-lateral margins subequal. Dorsal surface nearly naked and smooth, very convex fore and aft, slightly so from side to side. Edge of front concave; antero-lateral borders arcuate and bearing a fine, raised, milled rim, which at the lateral angles curves inward on the carapace at an obtuse and rounded angle, and is continued on the dorsal surface for a distance nearly equal to antero-lateral distance; postero-lateral border with a straight rim; poste- rior mai'gin sinuous. Merus-ischium of outer maxilliped sub- spatulate: outer edge of carpus arcuate; propodus quadrate, ^ â p widening distally ; Fig. 6tJ.âDissoimct^i-us Oj oltkk dactyluS absent. FED OF FEMALE (40272), X 23; b, LEG OF PAUATYPE ChelipcdS of malo moderately stout; merus and carpus .smooth, propodus roughened with short, oblique ridges, punctate and hairj?^ on their superior-distal side; upper mar- gin convex, lower sinuous: fingers a little deflexed, very narrowly gaping in proximal half, a depressed line of punctae on outer surface, edges entire, tips blunt. Chelipeds of female similar but feebler. Legs hairy on edges, compressed; merus joints very wide; carpus- propodus with convex anterior and posterior margins, the propodus strongly tapering, especially in last leg; the dactylus of legs 1, 2, and 3 divided halfway to base, forks slender, curved, acute, an- terior fork twice as long as posterior; dactylus 4 slender, straight, acumin
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