304 LEPIDOPTERA. 



but all obtainable information goes to show that it is now 

 confined, as far as these islands are concerned, to a few 

 localities in the eastern Midlands. Abroad it appears to be 

 equally local and is said to be found in woods in Central 

 Europe (except North Germany and Denmark), Finland, 

 Central and South Russia, North Italy, Dalmatia, Armenia, 

 Siberia, and the Amur. 



Genus 4. NISONIADES. 



Antenna? short, club long and curved, not hooked ; 

 abdomen short ; wings rounded behind with entire margins, 

 and with the costa of the fore wings, in the male, distinctly 

 folded from the base to beyond the middle. Wings at all 

 times somewhat horizontal when at rest. 



Larva thick, smooth ; second segment contracted ; head 

 large. 



PurA fusiform ; head with a tubercular elevation ; abdomen 

 conical and pointed. 



1. N. Tages, L. — Expanse 1 to 1^. inch. Dull greyish 

 brown with indistinct darker brown bands ; cilia brown. 



Fore wings with the costal margin rather arched at the 

 base but with a narrow marginal slip folded back, in the 

 male, and so closely appressed that the fold is difficult to 

 distinguish. Apex rather angular, hind margin oblique and 

 gently rounded. Hind wings rounded. Fore wings dusky 

 grey-brown, often with an ashy tinge ; base brown ; just 

 before the middle is an irregular, indistinct, angulated, dark 

 brown transverse stripe ; and beyond the middle a more 

 regular and slightly curved band, consisting of ovate spots 

 of the same colour, containing, near its costal extremity, a 

 short row of whitish dots ; hind margin brownish with a 

 regular row of whitish dots ; cilia grey brown intersected by 

 a brown line. Hind wings dull dark brown, usually with a 



