J 98 



Transactions. 



Fig. la. — Pupal forewing of the more primitive type of Nepticula. The wavy lines 

 represent the tracheae, the clotted lines represent the veins that are found 

 later. 



Fig. 16. — Pupal forewing of N. tricentra about one week before emergence. 



Fig. lc. — Pupal hindwing of N. tricentra about one week before emergence. 



Ri-ll Ri-10 R 5 -7 



2A>ib Cu 



lb=2 



Fig. 1. — Wing-venation of N. fulva. Fig. 3. — Wing-venation of N. perissopa. 



Fig. 2. — Wing-venation of N. ogygia. Fig. 4. — Wing-venation of N. tricentra. 



(Camera -lucida drawings, all to same scale.) 



