LI P A RID /E. 329 



long since been exterminated by excessive collecting from 

 the former locality, and probably from the latter. It is now 

 found, rarely, in Devonshire, in the fens of Norfolk and Cam- 

 bridgeshire, Suffolk, Bewdley Forest, Salop, and in various 

 parts of Yorkshire. There is also a single record at Cannock 

 Chase, Staffordshire. Abroad it is common throusfhout 

 Central Europe, and great part of Northern Europe, and also 

 found in Piedmont and Siberia. In Japan forms are found 

 which are darker and more dull in colour, but agree most 

 accurately in shape and markings. These have received the 

 names of thyallina and approximans. 



2. O. antiqua, Z.— Expanse 1 to If inch. Male rusty-red 

 with a white spot near the anal angle of the fore wings ; body 

 slender. Female nearly apterous. 



Antennae of the male short, curved, strongly pectinated, 

 the rows of solid teeth leaning towards each other, and their 

 tips incurved ; shaft light brown, teeth dark brown. Head 

 dark brown ; thorax slender, dark brown, covered with long 

 golden-brown scales ; abdomen very slender, blackish-brown, 

 faintly barred with paler. Fore wings very short, broad, with 

 the costa strongly arched, apex blunt, dorsal and hind 

 margins rather straight, with a blunt anal angle ; dark tawny 

 or rust-red ; often tinged with smoky-brown along the costa 

 and at the base ; first line rather perpendicular, second more 

 curved and sinuous, both indistinctly smoky- black ; close to 

 the second line and near to the anal angle is a rounded, or 

 lunate, clear white spot edged with blackish ; sometimes a 

 faint series of dark brown clouds lies beyond the second line ; 

 cilia smoky-black with rusty dashes. Hind wings broad and 

 rounded ; rust-colour or dark tawny, sometimes tinged with 

 darker brown ; cilia dark brown dashed with paler. Under- 

 side light rust-red or tawny, with the costa and base of 

 the fore wings shaded with dark brown ; a faint trans- 

 verse dark brown cloud beyond the middle, and cilia 

 clouded with dark brown : cilia of the hind wings also 



