LA RENTin.K - Cl UREMIA . 175 



its range is somewhat restricted, extending to Belgium, 

 tfalicia, the mountains of Central Europe, and possibly to 

 Corsica. 



1(1. C. didymata, L. — Expanse i to 1 inch. Male. 

 Fore wings greyish-white mottled and dusted all over with 

 grev-browu or black-brown, principally iu Iiasal, central, and 

 marginal bands, the latter containing twin black spots. 

 Hind wings smoky-white clouded and bordered with smoky- 

 grey. Female creamy-white with the markings pale lirown. 



AntennjB of the male pectinated with oblique ciliated teeth 

 which decrease in length beyond the middle, bronzy-brown : 

 palpi short, dark brown tipped with white ; head, neck-ridge, 

 and thorax umbreous dusted with white ; abdomen glistening 

 brownish-white dusted and clouded with brown ; anal tuf c 

 whitish-brown. Fore wings somewhat ovate ; costa but little 

 arched except towards the tip, where the curve is increased ; 

 apex very bluntly angulated ; hind margin gently rounded, 

 the curve running round the anal angle and including the 

 dorsal margin ; colour greyisli-white : basal line and blotch 

 umbreous, outwardl}- angulated a little, but erect, darkest at 

 its margin; first line also erect, ver\- little curved; the 

 second almost parallel with it but more waved ; both blackish 

 umbreous, and including a siniilarh^ coloured central band, 

 divided by parallel rippled paler lines ; the spaces before 

 and beyond this band form stripes of the ground colour 

 intersected by slender black-brown or umbreous rippled lines ; 

 hind marginal region occupied by a broad band similarly 

 dark brown or black-brown, which is divided into two stripes 

 by the rippled white subterminal line ; in the upper portion 

 of the inner of these two strijies is a dark cloud containing 

 twin black spots ; extreme hind margin closely dotted with 

 black ; cilia greyish-wliite intersected by a dark grey line. 

 Hind wings elongated, rounded, smoky-white, faintly twice 

 banded iu the middle with white ; hind margin broadly 

 darker, and thickly edged with minute black dots : cilia 



