PYRAUSTID.-E—BOrVS. igg 



where it is not very rare ; liut so far as I know it lias no 

 more extensive range in these Islands. Abroad it is 

 generally distributed in Central Europe, the temperate 

 portions of Northern Europe, Eastern Spain, Italy, Dalmatia, 

 Bithynia, the Central Asian Mountain regions, with 

 Afghanistan ; and in some portions of North America. 



8. B. asinalis, Hub. — Expanse 1 to 1| inch. Fore wings 

 sharply pointed, pale slate-grey, with faint ringed stigmata 

 and a darker central band of squared cloudy blotches. Hind 

 wings greyish-white. 



Autenna3 of the male simjile, thickly ciliated, bx-onzy- 

 brown ; palpi long, blunt, porrected, thickly tufted, mouse- 

 colour ; head and thorax dull grey-brown, the hinder portion 

 of the latter whiter ; abdomen long and slender, shining 

 grey-brown. Fore wings long and rather narrow ; costa 

 arched; apex decidedly angulated, and hind margin very 

 oblique ; colour grey-brown or pale brownish-slate ; first line 

 erect, faintly darker, from it a curious, softly deeper slate- 

 coloured stripe curves down to the dorsal margin, then up to 

 themediannervure, there forming a squared blotch ; the undu- 

 lating and dotted second line, skirting the outer edge of this 

 blotch, then bends outward and passes round another rather 

 squared dark blotch at the end of the discal cell ; stigmata 

 perceptible, pale slate, edged with darker ; cilia shining, 

 concolorous, faintlj^ intersected by two paler lines. Hind 

 wings large, the apex angulated and the hind margin some- 

 what undulating ; smoky whitish-grey with a rather perpen- 

 dicular slender grey-brown transverse line beyond the middle ; 

 cilia concolorous. and glossy. 



Undersides of the fore wings pale smoky grey ; costa 

 paler; second line just visibly darker. Hind wings brownish- 

 white with the grey-brown transverse line more distinct. 

 Body whitish-brown ; legs whiter, both glossy. 



Rather variable in the distinctness of the markings of the 

 fore wings ; in some specimens these being unicolorous slate- 



