144 



124 



U Mxjj 

 Fig. 52. Proscina stephenseni (Pirlot) (after Vinogradov, 1957). 



The mandibles have a finely denticulate cutting edge and an acces- 

 sory plate that is only slightly narrower than the cutting edge of the 

 mandible. The spines on the distal margin of the outer lobe of maxillae I 

 are indis-tinctly divided into two groups; the inner lobe is small, oval, 

 and slightly broadened distally. The outer lobe of the maxillipeds is oval, 

 with convex outer and straight inner margins; the notch in the distal part 

 of the inner margin is more strongly developed in females and weaker 

 in males; the inner lobe has a rounded distal margin and is oblong. 



Pereopods I have an almost linear 5th segment that is slightly shorter 

 than the conical 6th; the latter has rows of long thin setae on its posterior 



