CRUSTACEA— WHITELEOGE. 



227 



oblique and produced on the inner side, fifth kjnger than the 

 fourth and three times as long as l)road. Flagellura ecjual in 

 length to the first four joints of the peduncle, consisting of 

 thirty-four stoutish, suheijual joints, each of which is furnished at 

 its apex on one side with a row of from six to twelve, or more, strong 

 setie ; a few scattered weaker ones are present here and tliere on 

 the opposite side. 



The flagellum of the superior antennaj in the male consists of 

 thirty-six articulations, the first three of which are normal and 

 bear a few stiff setje inferiorly; the succeeding twelve joints are 

 greatly swollen and covered below and at the sides with a dense 

 coating of woolly hairs; the remaining twenty-one joints aie from 

 twice to thrice as long as bi'oad, and each bears at the distal 

 extremity one or two short setje. 



The mouth organs do not differ materially from those of 

 Calathura norvegica, as figured by G. O. Sars. The mandibles, 

 however, seem relatively 

 larger and the palps some- 

 what smaller; the first maxilla" 

 do not exhibit any trace of 

 hairs below the serrations, 

 and the second maxillae 

 appear to be absent. The 

 lower lip is keeled externally 

 on the proximal half and 

 exhibits a tuft of hairs on 

 either side internally which 

 arise from near the base and 

 reach almost to the apex. 



First pair of legs stout, 

 the right slightly the larger, 

 having the basos joint a little 

 shorter than the ischium, and 

 more than twice as wide 

 distally as proximal! y ; merus 

 dilated, much broader than 

 long, and adapted to the pos- 

 terior base of the hand ; the 

 latter is sublanceolate in 

 shape, and three times as long- 

 as bi'oad ; the inferior edge 

 of the palm is slightly con- 

 vex, and has a conical lobe at 

 the base ; the edge, lobe and 

 inferior border of the carpus bear numerous stout spine-like setae, 

 each of which is covered distally with exceedingly minute hairs. 



Right Chelipedb. 



Fig. mi. 



