202 POPULAR ENTOMOLOGY. 



ing in Scotland, the H. blandina and PL ligea. The 

 former is taken in great profusion in August, near Brodick, 

 Isle of Arran. 



LEPIDOPTERA. 



THECLA. 



Generic Distinctions. See page 128. 



THECLA QUERCUS. (Plate IX.) Purple Hair-streak 

 Size about fourteen lines ; colour of the upper surface dark 

 brown, faintly glossed with purple in one sex ; the other 

 with a large patch of deep glossy purple at the base of the 

 upper wings ; on the under side the wings are ash-grey 

 colour, with a silky lustre, and traversed by an undulating 

 white streak, beyond which is a double series of whitish 

 crescents, and a few dusky spots on the primary wings ; 

 the secondary pair are ornamented with two reddish spots, 

 one having an ocellus. The caterpillar is greyish-brown, 

 with a brown head, and a row of yellow dots on the back ; 

 it is very common in oak-woods in the south. 



THECLA W-ALBUM. White-letter Hair-streak. Upper 

 side dark brown, with a silky gloss, the male having a 

 greyish spot near the middle ; the under side is light brown, 



