866 



CRUSTACEA. 



Orchestia capensis. 



Maris : — Epimerce permagnai, 5tce 4:tis parce hreviores. Oculi subrotun- 

 dati. Antennae inferiores dimidio corporis paulo longiores, basi sat 

 longo, articulo basis ultimo plus duplo longiore quam precedens, fla- 

 gello paulo longiore quam basis, li-l^-articulato, articulis parce 

 oblougis, setis minutissimis. Antennce superiores breves, dimidio basis 

 inferiorum hreviores, flagello 7-10-articulato. Pedes antici angusti, 

 manu oblong a, apice excavata, truncatd, digito latitudine manus vix 

 longkyre. Pedes 2di pervalidi, manu per magna, subtriangulatd, supra 

 arcuatd, palmd obliqiw-transversa, paucis subtilissimis spinulis in- 

 structd, profunde excavata, juxta digiti basin dentigerd. Pedes 5ti 

 Qtis multo breviores; 4 postici suboequi, crassi, breves, valde spinulosi, 

 articulo 5to crasso, spinulis diametro articuli vix brevioribus. 



Male: — Epimerals very large, the fifth sparingly shorter than fourth. 

 Eyes subrotund. Inferior antennae a little longer than half the 

 body, base rather long, last joint of base more than twice as long 

 as preceding joint, flagellum a little longer than base, fourteen to 

 sixteen-jointed, joints sparingly oblong, setae very minute. Supe- 

 rior antennae not half as long as base of inferior, flagellum seven to 

 ten-jointed. Anterior feet narrow, hand narrow, scarcely broader 

 at apex and excavato-truncate, finger hardly longer than breadth 

 of joint. Hand of second pair very large and stout, subtriangular, 

 upper margin arcuate, palm obliquo-transverse, deeply excavate, 

 and having a tooth near base of finger, a few exceedingly minute 

 spinules on palm, and no hairs. Feet of fifth pair much shorter 

 than sixth ; sixth and seventh subequal, quite stout and short, and 

 strongly spinulous ; the fifth joint stout, its spines about as long as 

 breadth of joint. 



Plate 58, fig. 3 a, male, much enlarged ; b, part of flagellum of 

 outer antennae. 



Cape of Good Hope. 



Length, eight to nine lines. The superior antennae reach to apex 



