CRUSTACEA — WHITELEGGE. 



!19 



the apex of the spine. Foui-th to seventh pairs of legs suljecjual 

 in length, a little more slender than the second and third ; the 



bases joint in the sixth pair is 

 equal in length to the ischium ; 



Tblson and Uropod. 

 Fig. 17e. 



merus very narrow proximally, gradu- 

 ally widening to beyond the middle ; 

 the distal border is somewhat oblique. 

 Carpus as long but not quite so broad 

 as the merus. Propodus one- third 

 longer than the carpus, of equal 

 breadth throughout, or slightly broader 

 •distally. Dactylus graduall}' taper- 

 ing, curved and equal to the carpus 

 in length. The third to sixth joints 

 have their inferior borders closely 

 •and very finely ciliate; the distal ex- 

 tremities both above and below bear 

 one or more setas; the fifth and sixth 

 are each armed inferiorly with four 

 spines, structurally like those on the 

 palm of the second and third legs, but 

 not quite so stout. 



First pair of pleopods large, con- 

 cealing the succeeding pairs. Outer 

 ramus sublanceolate, as long as the 



First Pleopod. 

 Fig. \lf. 



