450 Records of the Indian Museum, [Vol. VIlI, 



First gnathopod of the adult male (figs. 6 and 7) with the third 

 joint not widening towards the distal end; merus with a well 

 marked shagreened lobe on its hinder margin ; carpus slightly longer 

 than the propodus with a well marked produced shagreened lobe 

 on the distal end of the hinder margin, and a few setae scattered 

 on its inner face ; the propodus widens distally to the usual rounded 

 shagreened lobe which itself increases in width distally ; the linger 

 not covering the whole apex of the propodus ; the arrangement of 

 setae on the limb can best be seen on the figures. 



In specimens which I take to be immature males, the first 

 gnathopod has the form seen in fig. 10. It is subchelate, but the 

 propodus is much less dilated than in the adult so that the dacty- 

 lus is at least as long as, or a little longer, than the distal margin 

 of the propodus. The shagreened lobes on the merus, carpus and 

 propodus are also less developed than in the adult. 



Second gnathopod of the adult male (figs. 8 and 9) with about 

 seven quite small setae on the margin of the side plate; third 

 joint widening somewhat distally ; propodus broadly oval, about 

 one and a half times as long as broad, anterior margin convex, 

 without setae, posterior margin convex with the palm slightly 

 oblique, not excavate, not defined by a tooth, fringed with about 

 nine small setae and furnished with a groove or excavation into 

 which the distal end of the finger fits; finger more than half as 

 long as the posterior margin of the propodus, strongly curved and 

 tapering at the end. 



The second gnathopods of the immature male (fig. 11) do not 

 difiter markedly from those of the adult female. 



Fifth peraeopods (fig 12) with the second joint slightly broader 

 than long, its anterior margin bearing six or seven spinules in 

 "ddition to one long and one short spinule on the distal corner, 

 its posterior margin well rounded and bearing about eight minute 

 serrations, a small seta being placed in each serration ; fifth joint 

 longer than broad; fourth and fifth joints not expanded or in- 

 crassated in any way ; the arrangement and number of setae on 

 the limb are shown on the figure. 



First uropods (fig. 13) with the peduncle longer than the sub- 

 equal rami and bearing two rows of four spines one row on each 

 ridge of the posterior margin ; inner ramus with three lateral 

 spines and one long, one medium and two short spines at the 

 apex ; outer ramus with two or three spines at the apex only. 



Second uropods (fig, 14) with the peduncle longer than the 

 rami and bearing four strong spines on its inner edge ; inner ramus 

 with two spines on the margin and two large and three small 

 spines at the apex ; outer ramus with two lateral spines and two 

 large and one small spine at the apex. 



Third uropods (fig. 15) with the peduncle somewhat swollen 

 and slightly longer than the single-jointed ramus; peduncle with 

 one large and one small spine at the centre of the lateral margin 

 and one small spine at the outer distal corner ; ramus with one 

 large and two or three small spines at the apex. 



