TRIFID.-E. 221 



black, abbreviated, broken ; first line black, broken into 

 spots and two large curves, and faintly preceded by a parallel 

 smoky-brown shade ; second line black — a regular curved 

 series of crescents, followed by a similar parallel series of a 

 more smoky-brown ; subterminal line only indicated by a 

 broken and interrupted series of grey or black streaks or 

 lunules along its margin ; orbicular stigma "svhite, ringed 

 with black, and containing a brown-black cloud; reniform 

 stigma also white, edged with black, and containing an 

 angulated smoky-brown cloud; claviform stigma indicated 

 by a curved black streak ; the space between the first and 

 second lines, and enclosing the stigmata, is black-grey, much 

 clouded with deep black, and forms a most conspicuous 

 central band, the costa above it spotted with black ; beyond 

 this the costal margin is clouded with smoky -black, in which 

 are three white marginal dots, but this smok}^ cloud is cut 

 off abruptly before the apex; hind margin faintly clouded 

 or dusted with grey, and edged with long black slender 

 lunules; cilia pale grey, tipped with white. Hind wings 

 greyish-white from the base, with the nervures blackish- 

 brown ; beyond the middle is a broad hind-marginal grey- 

 brown cloudy band, in which are some dashes of white from 

 the anal angle ; cilia white. Female rather stouter, quite 

 similar. 



Under side of the fore wings pale smoky-brown, with the 

 dorsal margin whiter, and some whitish dappling along the 

 costa and hind margin ; hind wings white, abundantly dusted 

 with brown, and having the nervures brown ; legs black- 

 brown, barred with white ; leg tufts and body white. 



Usually very constant in colour and markings, but occa- 

 sionally the pure white ground colour is tinged with grey, or 

 the hind margin is mottled with darker grey. A large speci- 

 men in my own possession, taken in Pembrokeshire, has the 

 central dark band much extended, and the apical and hind 

 marginal region slate-grey. In the Scandinavian peninsula 

 a variety is known under the name of Ohscura, having the 



