GAMMARIDEA. g43 



at apex, rather longer than the joint. Outer maxillipeds with the 

 inner lamellar processes long. 



Cratophium orientale. 



Feniinse? — Oculi rotundati. Antennae quatuor subcequce, fere dimidii 

 corporis longitudine, lmce paido longiores, articulis basis tribus fere 

 cequis, flagello duplo longiore quam articulus Stius, b-articulato, arti- 

 wdo lmo reliquos longitudine ceqnante, appendice uni-articulato ; 2dce 

 crassce, 5-articulatce articulis 2do 3tio itoque subcequw, ultimo vninimo. 

 Manus lma mediocris, oblonga, supra rectiuscida, infra arcuata et 

 pilosa, digito sat longo; 2da.paulo major, subovata, palmd fere longi- 

 tudinals, 3-dentatd ac in C. validi femind, dente uno antemore, uno 

 submediano unoque posterior e, dente submediano obtuso, digito longo, 

 carpo minimo inter manum articulumque Stium non producto. 



Female ? — Eyes round. The four antennae subequal, about half as long 

 as body; superior pair a little the longer, three basal joints nearly 

 equal in length, flagellum twice as long as third joint, five-jointed, 

 first of the joints as long as all the rest, appendage one-jointed; 

 second pair stout, five-jointed, second, third, and fourth joints sub- 

 equal, the last minute. Hand of first pair of moderate length, 

 oblong, nearly straight above, arcuate and hairy below, finger 

 rather long ; hand of second pair somewhat stouter, subovate, palm 

 nearly longitudinal, three-toothed like the female of G. validum, 

 one tooth anterior, one submedian, and one posterior, the sub- 

 median obtuse; finger long, carpus very small, not produced 

 below between hand and third joint. 



Plate 56, fig. 3 a, animal, enlarged ; b, hand of second pair. 



From the sea, off the eastern entrance of the Straits of Sunda. Col- 

 lected, March 4, 1842. 



Length, nearly three lines. Finger of hand of first pair of legs 

 two-thirds as long as the hand; folds against lower margin of hand. 

 Fin o-er in second pair, extends three-fourths of the distance to the base 

 of the hand, as far as the posterior of the three teeth. The legs of the 



