546 CRUSTACEA. 



antennarum externarum basalis basi non longior. Articulus anten- 

 narum internarum 2dus \mo paulo longior. Pedes antici multo 

 incequi; manus majoris sinu infero-marginali concavo ; bracliio apicem 

 non spinigero ; manu minore oblongd, crassiusculd, Icevi, digitis extus 

 et intus leviter laxdque pubescentibus. Pedes 2di Stiis paulo longiores, 

 carpi articulo \mo duplo longiore quam 2dus, manu vix breviore 

 quam ires articuli precedentes simul sumti. Pedes 3tii 4tive parce 

 criniti, articulo 3tio apicem internum brevissime acuto, 5to intus 7-8- 

 setuloso. 



Beak a little elongated, acute, surface between the eyes carinate. 

 Basal scale of outer antennae not longer than base of same. Second 

 joint of inner antennas a little longer than first joint. Anterior 

 feet very unequal ; sinus of lower margin of larger hand concave, 

 arm not spinigerous at apex ; smaller hand oblong, a little stout, 

 smooth, fingers light pubescent without and within. Second pair 

 of feet a little longer than the third, first joint of carpus twice as 

 long as second, hand hardly shorter than the three preceding joints 

 together. Feet of third or fourth pair sparingly hairy, third joint 

 very short acute at inner apex, fifth with seven or eight sets of spi- 

 nules on inner margin. 



Plate 34, fig. 6 a, profile view of front and base of antennae, much 

 enlarged ; b, part of outer maxillipeds ; c, larger hand (the right) ; d, 

 smaller hand ; e, part of leg of second pair ; /, part of third or fourth 

 pair. 



Straits of Balabac, north of Borneo. 



Length of body, three-fourths of an inch. The fingers of the smaller 

 hand are hardly as hairy on inner margin as on outer surface, and all 

 the hairs are very slender. The larger hand is also thin pubescent, 

 but especially on its inner surface and' near upper surface. The 

 lower surface is broadly rounded. The fingers are somewhat turned 

 out of the plane of the hand. 



