Explanation of Plate VIII. 



(Figures 1 — 3 magnified ; 4 and 5 natural size.) 



Fig, 1. Larval form, 40 hours after fixation. 



2. „ „ 10 days „ „ (a) seen from above. 



„ „ „ „ „ (?.) lateral profile view. 



3. 55 5, 21 ,, ,, „ 



4. J, )) 55 ,, ,, „ 



5. Adult ? 9. 



