122 
6th abdominal segment and the telson may be seen as also the 
now cleft uropoda. The telson has now 8 pairs of spines. 
The ist antenna has acquired 3 joints in the stem. The 
oral parts are about as in the I1st stage; but 1st—3rd pereiopod 
have now all the usual 7 joints (in the I1st stage they are un- 
Fig. 28. The larva of Pandalus propinpuus (?): 
2. max. of stage 1—5. 
articulated), and their exopodites have 9 pairs of setæ. Also 4th 
and 5th pereiopod are articulated; but the Sth pair has but 6 
joints, and the articulation is very indistinct. The pleopods are 
little uncleft appendages. 
3rd (known) larval stage (figs. 22—30, st. 111). 
Total length 10 mm. 
