33 



Erebia Cassiope {Epiperon). 

 Plate VI, fig. 2. 



On Wednesday July 1st, 1874, I received from Mr. 

 John Archer, of Workington, six specimens of this 

 butterfly, which he had captured on the 29th of June, 

 on the top of Green Gable Mountain at the head of 

 Buttermere, about twenty-five miles from Workington. 

 There the soil is peat moss, and very boggy. Some 

 roots of Nardus striata also came at the same time, 

 with a pale kind of moss, amongst which, intermixed, 

 the grass was growing. 



Soon after the insects arrived four of them revived 

 when placed in the sun, and three hours later a fifth 

 recovered — so that one only had died during the 

 journey. 



I had the grass at once potted in peat and leaf- 

 mould, and placed the insects on it, covering them with 

 some silk net (rather coarse-meshed) to prevent their 

 escape, and I put them out of doors in the sun. They 

 were supplied with a bit of sponge dipped in sugar and 

 water, and seemed very lively, fluttering about. On 

 the morning of Thursday, July 2nd, they were placed 

 at an open sunny window, and at noon 1 observed that 

 one egg had been laid on the net, extruded through 

 and adhering to the outside; at one o'clock six eggs 

 had been laid in a similar manner, and by three o'clock 

 in the afternoon there were in all fifteen eggs laid, 

 only one of them being on the grass. 



The next day proved dull, windy, and sunless, and 

 no more eggs were laid and three only of the insects 

 were alive. On the morning of the 4th July all were 

 dead, and on again counting the eggs I found there 

 were fifteen on the net and one on the grass, making 

 a total of sixteen. 



The egg of Erebia Cassiope is rather large for the 

 size of the insect, elliptical in figure though rounded 



vol, i. 3 



