WALL BUTTERFLY. 189 



double ; behind this there is a waved band of pale 

 yellow. The fringe of the wings is whitish and 

 brown alternately. 



The caterpillar is pubescent, of a light green, with 

 a whitish line on each side. 



Far from being a scarce species, and apparently 

 found in all parts of the country. It occurs in 

 April, July, and August. 



