FORMS ALLIED TO SARON 



395 



otocyst. Antennal scale without outer distal spine in all specimens seen ; endopod as long 

 as exopod, unsegmented. 



Exopod of maxilla very narrow proximally, with one large seta at end. Maxillipede i 

 with large epipod having a small anterior lobe which seems to be a rudiment of a podo- 

 branch ; endopod segments i and 2 with outer seta ; coxa large. 



Legs I and 2 with large chelae ; carpus of leg 2 undivided. Leg 4 with exopod bearing 



120 



118 



Fig. 118. Stage III, dorsal. 

 Fig. 120. Stage III, antennae. 



Hippolytid R.S. I. 



Fig. 119. Stage III, carapace. 



Fig. 121. Stage III, mandible, left side. 



eight setae. Epipods present on legs 1-4. Pleopods large, without setae, but with 

 rudiment of appendix interna. 



This stage was observed to arise by moult from stage III and to moult itself to post- 

 larval. Unfortunately this specimen died before the moult was completed, and the legs 

 were not fully freed. 



Post-larval Stage I (Figs. 129-133). 



Rostrum with three large ventral teeth and six dorsal, of which three are on the 

 carapace ; carapace with antennal spine and a group of three small spines at anterior 

 angle, but without supra-orbital. Telson long and narrow, its greatest width a little less 



