gth abdominal segment and the telson may be seen as also the 
novv cleft uropoda. Tho telson has now 8 pairs of spines. 
The lst antenna has acquired 8 joints in the stem. The 
oral parts are about as in the lst stage; but lst oid peieiopod 
have now all the usual 7 joints (in the lst stage tliey aie un- 
Fig. 28. The larva of Pandedus propinpuus (*>) : 
2. max. of stage 1—5. 
articulated), and their exopodites have 9 pairs of setæ. Also 4tli 
and 5th pereiopod are articulated; but the 5th pair has but 6 
joints, and the articulation is very indistinet. The pleopods are 
little uncleft appendages. 
3rd (kno wn) 1 ar val stage (tigs. 22—80, st. III). 
Total length 10 inm. 
