222 LEPIDOPTERA. 



cool fresh wind blowing over the snowy peaks, it is a glad- 

 some sight to see these pretty moths, which with the 

 ptarmigan, the dotterel, and the mountain-hare, are almost 

 the only living things to be seen." 



When the weather is very rough, however, it shelters 

 itself among heather, and may be shaken out, and so secured. 

 So far as I know, it flies only in the daytime. 



Besides Schiehallion and the other high hills of Perthshire, it 

 is found in the mountains of Aberdeenshire, the Clyde district, 

 and Sutherland shire ; also in the Hebrides, and abundantly 

 in the Shetland Isles ; but, so far as is known, not in Eng- 

 land, Wales, or Ireland. Abroad its range seems to be very 

 limited — the Alps, Lapland, and Labrador. 



2. A.cordigera, Thunberg. — Expanse 1 to 1-J inch. Thorax 

 stout and hairy ; fore wings black, shaded toward the base 

 and hind margin with silvery-grey ; reniform stigma large, 

 white. Hind wings bright yellow, with a broad, deep black 

 marginal band. 



Antennas of the male simple, minutely ciliated, black ; 

 palpi short, strongly and coarsely tufted, black ; eyes brown ; 

 head moderately tufted, black ; thorax very rough with long 

 raised scales, black except the back of the collar and the 

 edges of the central portion, which are faintly white, and the 

 tips of the flattened crest at the back more distinctly so ; 

 fascicles dark smoke-colour ; abdomen silky black with a pile 

 of Ions 1 black hair-scales : lateral and anal tufts broad. Fore 

 wings of moderate breadth, rather pointed, costa only curved 

 in the smallest degree ; apex bluntly angulated ; hind margin 

 almost straight to below the middle, thence a little rounded 

 off and very faintly crenulated ; dorsal margin straight ; 

 colour black or brown-black, the basal and hinder regions 

 more grey from superimposed white scales ; basal line indi- 

 cated by obscure deep black spots ; first line erect, indented, 

 black, the space between it and the basal line frosted with 

 white scales, especially so at its border ; second line rather 



