JULY. 199 



mainder grey^ marked with waving liues of brown^ and a 

 faint series of bluish crescents towards the tip ; there are 

 one or two pale spots on the wings. The caterpillar is 

 bluish-brown, with a lateral stripe of orange; the spines 

 are slightly yellow : whilst young, the larvae live together 

 in a silken web, but disperse after they have changed 

 their first skin : they feed on the willow and elm. This is 

 not one of the most common Butterflies, though occasion- 

 ally found in great abundance in the southern counties and 

 in the Isle of Wight. 



Lepidopteea. Nymphalid.e. 

 HIPPAECHIA. 



Getieric iJlstinctions. — See page 98. 



HiPPAECHiA Semele. The Greyllng. This is one of 

 the largest species of the genus, sometimes reaching to two 

 inches and a half across the wings; the greater part of the 

 surface is brown, varying much in depth of colour; the 

 female has a wide band of pale yellow near the hinder edge 

 of the anterior wings, in which are placed two ocelli. The 

 male has only a yellowish patch roand each ocellus ; the 



