72 THE YOUNG COLLECTORS 



and white butterfly, which is very local, though abundant where 

 it occurs; and the Small Heath Butterfly (Ccenonympha 



Wall-Brown (Saiyrns Rlegara). 



Pamphilus] is a sandy-coloured butterfly, smaller than any we 

 have mentioned, which is very common in open places. 



To the Nymphalina belong many of our handsomest and most 

 conspicuous butterflies. The Fritillaries of the genus Argynnis 

 vary in expanse from one and a half to three inches. They are 

 of various shades of fulvous, with black spots or markings on the 

 upper surface, and the under side of the hind wings is always 

 spotted or streaked with silvery white. The two smallest species 

 (Argynnis Selene and Euphrosyne} are common in woods in 

 spring ; but the larger species appear in summer, when the Dark 

 Green Fritillary (Argynnis Aglaia] frequents heaths. It derives 



Small Tortoiseshell ( Vanessa Urticce). 



its name from the green colour of the under surface of the hind 

 wings, which are likewise marked with many silver spots ; but 



