157 



Anterolateral angle of the carapace ruiindcd. . 



Abdomen and caudal fan mucli resemble those of L. adspersus 

 and its variety Fabricii^ but the 6th segment appears a little less 

 hroad, viewed froni above, than in Rathke's species. 



The antennular peduncle (Fig. 3e) extends as far forward as 

 the terminal spine of the scaphocerite and measures '/g ^^^^ length 

 of the body or a little less. The shorter ramns (Fig. 3/") of the 

 outer flagellum is fused to the longor for about one-third its 

 length and measures constantly two-thirds the length of the 

 peduncle, vvhen the coalesced portion is included ; the coalesced 

 joints, 9 or 10 in number, are about 3-times as broad as long 

 and the free portion consists of 2^\.^- to 3-times as many joints, 

 i. e. 24 to 27, The shorter ramus reaches beyond apex of rostrum 

 by one-half to two-thirds its length, the fused portion included. 

 The longer outer flagellum measures about %, the inner flagellum 

 half the length of the body. 



The antennal peduncle reaches about as far forwards as the 

 l^t joint of the antennular peduncle and the flagellum is about 

 one-fourth longer than the body. The scaphocerite (Fig. 3^) which 

 measures one-sixth the length of the body, appears broadest at 

 the posterior third and the greatest width is just one-third the 

 length; the outer margin, straight or a little concave anteriorly, 

 appears slightly convex on its posterior half, the inner margin 

 is also slightly concave and the antero-internal angle is obtuse. 



Mandibular palp three-jointed (Fig. 3A), the 2'^ joint, about 

 twice as long as broad, is just as long as the basal joint and 

 half as long as the third or terminal one, that gradually narrows 

 distally; the palp is rather much setose, especially the terminal 

 joint. External maxillipeds projecting by one-quarter their ter- 

 minal joint beyond the antennal peduncle. 



In the adult male the legs of the l^t pair are as long as the 

 scales, rarely a trifle shorter, in the adult female also as long 

 as the antennal scales or they project with the fingers beyond 

 them. The carpus is in the male '/sj in the female ^/g to '/é longer 

 than the merus, rarely in the male the diff'erence in length is a 



