0+ l.EPIDOPTERA. 



shire, Uoss, Inverness, Sutherland, and the Jlebrides. 

 Abroad it is found on the Alps, on the mountains of 

 Norway, and in Lapland. 



13. C. margaritellus, Hv.h. — Expanse I inch (21- 

 2o mm.). Fore wings elongated but broad, orange-brown 

 or pale chestnut, dorsal region paler ; pearly-white longi- 

 tudinal stripe broadly expanded beyond the middle. Hind 

 wings smoky brown. 



Antenna' of the male slender, simple, dark brown barred 

 with white; i)alpi long, jioriected. rough, white on the uppe)' 

 surface, brown beneath ; head and middle of thorax white ; 

 sides of thorax pale yellow-brown ; abdomen shining ashy- 

 brown. Fore wings i-ather broad, blunt ; costa a little arched 

 beyond the middle : apex squarely angulated ; hind margin 

 almost straight, and very little oblique; colour reddish- 

 orange-brown shading to pale yellow-brown on the dorsal 

 margin ; longitudinal stripe unbroken and unbranched, 

 narrow at the base, bnt ranch broadened behind, and almost 

 cleaver-shaped beyond the middle, extending to near the 

 hind margin ; it is edged on the upper side by a black or 

 black-brown line; no other markings; cilia shining brownish- 

 grey, intersected by a brown line. Hind wings ample, 

 rounded behind, pale smoke colour, darker at the apex and 

 hind margin; cilia smoky white. Female stouter; the 

 body shoi'ter. and the wings smaller, and more yellow in 

 colour. 



Underside of the fore wings shining smoky brown ; of the 

 hind wings glossy smoky white, with whiter cilia. Body 

 and legs brown. 



There is a slight local variation in the colour of the fore 

 wings ; English specimens being often of a more j-ellow-brown 

 colour, Scotch with a brighter red tendency. The latter 

 form appears to be that best known on the Continent. 



On the wing from June till August. 



L.\uv.\ and 1\ iw unknown. 



