Plate 34. Fourth-Stage IjObster. 



Figure 48. Sight second abdominal appendage (pleopod) seen from behind, 

 M=29. The endopodite and exopodite have become more blade-like than in the 

 third stage, and are now strongly functional. Their edges are fringed with long 

 feathered setae. 



Figure 49. Right sixth abdominal appendage from above, M:=30. Both 

 the exopodite and endopodite are larger and stronger than in the third stage. 

 They are fringed about the edge with a thick mat of feathered setae. 



