PLATE IV 



Fig. i. 



Ova of Aporia cratcegi in situ on hawthorn leaf. Colour yellow, with 

 six or seven white points round mieropyle. (P. 62.) 

 Photo, 6j I . E. .■' x 1 



Fig. 2. 



Ova of Pachetra leucophcea in situ on grass stalk. White when laid ; 

 pearly-grey at maturity. 



Photo, by A. E. Tor.ge. 



To face p. 62. 



x 100. 

 Adlard t? Son, Impr. 



