CRUSTACKA — Wll ITKLKOrJE. 



407 



equal in leiigbli to the width of the second ; fotlrth slender, 

 tapering, and nearly twice as long as the third. 



Outer antenntxi short, not eijual to the length of the cc^phalon 

 and the three succeeding segnuuits of the peraeon ; first and 

 second joints subecjual, as liroad or broader tlian long ; third 

 joint as long as the second, but narrower ; fourth joint slender, 

 nearly equal in length to the first and second combined ; fifth 

 joint twice as long as broad ; sixth tapering to a point, and a 

 little longer than broad. The inferior borders of the second to 

 fourth joints are fringed with long setse. 



Mandibles stout, angularly bent above the middle, with a 

 well defined molar tubercle, spine row, and a 

 tridentate cutting edge. 



The maxillipedes have a large lanceolate 

 epipod ; the palp is five-jointed ; the first two 

 are broader than long ; the third is subovate, 

 and bears n small spinule on its inner distal 

 angle ; fourth joint twice as long as broad ; 

 fifth minute and conical in shape. 



First pair of legs short, stout ; the second 



joint is twice as long as broad ; third joint 



longer than broad and apically dilated ; fourth 



joint nearly twice as broad as long ; fifth as 



broad as long, increasing in diameter to the 



summit ; sixth joint oblong, three times as 



long as broad ; seventh joint much shorter 



than the sixth, slightly curved and tapering 



to an acute point. 



Second joint of the second pair of legs one-fourth longer than 

 broad ; the third and fourth are equal, and as 

 long as broad ; the fifth and sixth are equal and 

 nearly twice the length of the third ; the upper 

 border of the sixth joint is straight and the lower 

 evenly curved ; seventh joint slender, equal in 

 length to the second, third, and fourth combined. 

 The inferior borders of the whole of the joints 

 are sparsely setose ; the setee on the sixth and 

 seventh joints are longer and stouter than those 

 on the preceding joints. 



The third and fourth pairs of legs have the 

 second joint much longer, and the sixth somewhat 

 shorter, than the corresponding joints of the second 

 pair. 

 In the last three pairs of legs the second joints are subequal 



and about twice as long as the third, fourth or fifth ; the sixth 



joint is slender and equal in length to the second ; the seventh 



Maxillipede. 

 Fiff. 114&. 



Second leg-. 

 Fig. 114c. 



