76g CRUSTACEA. 



Mga multidigita. 



Dorsum corporis dimidio postico lax£ pubescens. Segmentum abdominis 

 ultimum precedentibus duplo longius, bene trmngulatum, parce trans- 

 versum, apice paulo obtusum. Lamellae caudales extremitatem abdo- 

 minis parce superantes, interior paulo latior et margins externo fere 

 recta. Antennm 2dce longw, segmentum thoracis 6tum attingentes. 

 Tarsus pedis \mi 2dive quatuor spinis oblongis crassis obtusis infra 

 armatus et extremitate altero longiore deflexo, pedis 3tii tribus spinis 

 perbrevibus tuber culiformibus. Articuli pedum 6 posticorum nudius- 

 culi prceter apices articulorum breviter spinulosas. 



Back of body, through its posterior half lax pubescent. Last abdo- 

 minal segment twice as long as all the preceding, triangular, a little 

 transverse, somewhat obtuse at apex. Caudal lamellae reaching a 

 little beyond extremity of abdomen, inner lamella the broadest and 

 nearly straight on its outer margin. Antennae of second pair long, 

 reaching to fifth thoracic segment. Tarsus of feet of first or second 

 pair having the terminal spine flexed downward nearly at right 

 angles with the preceding part, and on under side four oblong stout 

 obtusish spines ; tarsus of third pair with three similar spines, but 

 obsolescent and like tubercles. Joints of last six feet nearly naked, 

 excepting their apices, which are set with spinules or setae. 



Plate 51, fig. 3 a, animal, enlarged ; b, under view, showing an- 

 tennae ; c, leg of first pair ; d, extremity of leg of second pair ; e, ibid, 

 of third pair ; /, ibid, of sixth pair. 



Balabac Passage, north of Borneo. 



Length of body, three lines. The tarsi of the six anterior legs are 

 very peculiar, as described. The preceding joint in the first pair is 

 naked below ; but in the second pair there are four short and stout 

 spines, and in the third pair a tuft of short hairs at apex. The fifth 

 joint of the sixth pair is slender, and has two pairs of minute spinules 

 or setae (not half the width of the joint in length), on lower side, 

 besides others at lower and upper apices j the tarsus is nearly straight, 









