230 WING-VENATION IN ZYGOPTEROUS DKAGONFLIES. 



Plate xxxiii. (Photomicrographs). 

 D'lphlehia lestdides Selys. 

 Fig. 1. — Penultimate larval instar. Basal two-thirds of wing; ( x25). 

 Fig.2. — Last larval instar. Cuticularisation. Middle portion of wing; 



( X 60). 

 Fig.3. — Last larval instar. Cuticularisation. Basal portion of wing; 

 ( X 60). 



Plate xxxiv. (Photomicrographs by Dr. F. Ris). 

 Galopieryx spltndens Harris. 

 Fig. 1. — Last larval instar; ( x 25). 

 Fig.2 —Last larval instar. Base of wing; ( x 60). 

 Fig.3.— Penultimate larval instar. Basal half of wing; ( x 60). 



