Explanation of Plate XVIII. 



Fig. 1. Amauris egialea. Section of wing patch parallel with 

 direction of nervures. (x 175.) 



2. „ „ Ditto transversely to same. ( x 175.) 



3. „ „ Comparative appearance of ordinary scales of 



wing and those in scent patch, (x 212.) 



4. „ „ Semidiagrammatic surface view of part of wing 



patch showing " cupped '* and blind glands 

 and position of scales. ( x 250.) 

 6. ,, „ Transverse section of one of central bodies of 

 brush. ( X 400.) 



6. „ ,, Ditto of one of the " first ring " bodies, (x 400.) 



7. „ „ Ditto of one of the "yellow hairs." ( x 600.) 



8. ,, ochlea. Transverse section of one of the " third ring '* 



bodies showing nodules. ( x 700.) 



9. „ ,, Longitudinal surface view of same. ( x 600.) 



10. ,, hecate. One of the scales of wing patch. ( x 230.) 



11. „ „ Transverse section of a dust hair. { x 700.) 



12. ,, „ Section of wing patch parallel with nervures. 



(X 160.) 



13. 5, „ Transverse section of a " yellow *' and a black 



hair from brush. ( X 700.) 



