27 (26) First segment exopod first leg {P, ) with inner 

 seta; maxilliped not prehensile; pelagic; 

 strongly pointed rostrum (Fig. 44) 



Aegisthus 



27 (26) Characters not combined as above 28 



28 {27) Endopod fourth leg (P, ) at most 2-segmented 

 28(27) Endopod fourth leg (P. )3-segmented . . . . 



.29 

 .43 



29(28) Maxilliped prehensile (i.e., first segment elon- 

 gate, terminal segment with small clawlike 

 setae) (Fig. 45) 



31 



29 (28) Maxilliped not prehensile and greatly reduced 

 (Fig. 46) or absent 



30 



20 



