JULY. 201 



with an ocellus near the body, and sometimes one or two 

 others on a line with it ; underneath, the primary wings are 

 greenish-brown at the base, bright yellowish-brown in the 

 middle, and grey at the apex, with a small white bar and a 

 few ocelli ; the base of the hinder wings is brown, beyond 

 which is a very irregular white band, the space beyond being 

 greyish-brown, with five or six ocelli. The caterpillar is dark 

 green, with a darker line on the back. The perfect insect 

 is found on marshy heaths. 



HiPPARCHiA Davus very closely resembles the preceding. 

 It is extremely rare in England, but common in many parts 

 of Scotland. 



Hippaechia Cassiope, Mountain Ringlet, measures about 

 sixteen lines ; the colour is dark brown, with a silky gloss ; 

 the upper wings having a red band near the apex, marked 

 with black spots ; the hinder pair have a short band of con- 

 tinuous red marks, each bearing a small black spot ; the 

 under side of the anterior wings differs from the upper, only 

 in being tinged with rust-red ; the hinder wings are ash- 

 brown, having three black spots with a reddish iris. This 

 insect is principally found in the mountains of Cumberland 

 and Westmoreland, also in the hilly districts of Scotland. 

 There are two other species rarely found excepting in Scot- 



