224 POPULAR ENTOMOLOGY. 



patches placed on the projecting points ; the inner angle has 

 a large black spot, with a streak of blue behind ; on the 

 under side the primary wings are whitish at the base, and 

 have a large white spot in addition to those corresponding 

 with the upper side ; the tip is light brown, and the whole 

 disc tinged with carmine intermixed with ochre ; the hinder 

 wings are delicately variegated with light brown, greyish- 

 white and yellow ; there is a series of ocelli towards the hinder 

 extremity, and a row of purplish-blue crescents. The cater- 

 pillar is very spiny, of a brownish- grey colour, with yellow 

 lines on the sides ; it feeds on the thistle, nettle, and mallow. 

 This beautiful insect is of a large size; the under side 

 deserves particular notice for its delicate colour and mark- 

 ings ; it is not generally common, though sometimes appear- 

 ing in considerable numbers ; it is found also in Scotland. 



LEPIDOPTERA. 



THECLA. 



Generic Distinctions. See page 128. 



THECLA BETUL.E. Brown Hair-streak. This is the largest 

 species of the genus, sometimes measuring eighteen lines ; 

 the upper side is a glossy brown ; towards the middle of the 



