72 THE BOOK OF BRITISH BUTTERFLIES. 



that of the crocus or the -daffodil ; underneath (Fig. 60) 

 the tint is greener,* especially on the hind-wings and the 

 tip of the fore-wings. In the centre of each wing is an 

 orange spot, which is replaced on the under-surface by 



GONOPTERYX RHAMNI 



a brown one. There are tiny dark dots at the ends of 

 the nervures, and a row of the same on the under- 

 surface of each wing three on the fore-wings, six on 

 the hind-wings. Noteworthy features are the stout veins, 

 which, when the wings are closed, give them a very 



