202 POPULAR ENTOMOLOGY. 



land, the H. blandina and H. ligea. The former is taken 

 in great profusion in August, near Brodick, Isle of Arran. 



LEPIDOPTEKA. 



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 com- 

 mon 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, 



