WALL GRAYLINGK 99 



black eye-spots. The under side of the hind wings fo 

 pencilled with sober colours, but in a design of great 

 beauty and delicacy ; and especially to be admired are 

 the double-ringed " eyes," a band of which runs parallel 

 with the outer margin of the hind wings. 



The caterpillar feeds on grasses ; is green, with three 

 pale lines down the back, and one more clearly marked 

 on each side. 



The butterfly appeal's in May, and again in August 

 and September; and is everywhere common throughout 

 the country. 



It is called the "Wall Butterfly from its frequent 

 habit of choosing a road-side wall for a perch, whence, 

 on the approach of man, it darts off; returning again, 

 however, on the departure of the obnoxious person. 



THE GRAYLING BUTTERFLY. 

 (Hipparckia Semele.) (Plate Y. fig. 6, Female.) 



THIS fine insect is the largest British species of the 

 genus, and also of the family, some of the females mea- 

 suring two inches and three-quarters from tip to tip 

 across the expanded wings ; and it also exhibits more 

 vivacity of colouring than most of its brethren. 

 Above, the wings are deep brown, marked with 



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