EXPLANATION OF PLATE CLXXXVL 

 Walkeriana senex. 



Fig. I. Adult female, side view, nat. size. 



2. „ „ dorsal view, before oviposition, x 4. 



3. Old female, with ovisac, from below, nat. size. 



4. „ „ J, ,, side view, nat. size. 



5. Young larva, dorsal view, x 6. 



6. Antenna of adult female, x 50. 

 7- „ of young larva, x 130. 



8. Mid leg of adult female, x 30. 



9. Foot of adult female, x 130. 



10. Part of derm of dorsum, with two ceriferous tracts, x 30. 



1 1. Spines and pores from edge of ceriferous tract, x 450. 



12. Pores from anal area, in profile, x 450. 



13. Abdominal spiracle, x 220. 



14. Pores from ti^ansverse zone on venter, x 450. 



15. Margin of young larva, with spines and tubular pores, x 450. 



