314 LEPJDOFTERA. 



1. C. viminalis, i^c^&.— Expanse 1| to 1} inch. Fore 

 wings shining greyish-white, clouded faintly with lilac or 

 purple ; a slender black basal line ; and a slender purple- 

 grey central band. Hind wings white, clouded behind with 

 smoky-brown. 



Antenna3 of the male pectinated with short thick oblique 

 ciliated teeth which become shorter beyond the middle and 

 dwindle to a saw-like form before the tip. dark brown, base 

 white ; palpi short, moderately tufted, pale brown ; head 

 silvery-grey, with a black bar across the face, and raised 

 tufts at the bases of the antennae ; thorax silvery greyish- 

 white ; shoulder lappets edged with purple-brown ; at the 

 back of the thorax the scales are drawn together and 

 abruptly terminated, as though cut off, forming a false, or 

 imitation, crest, which is tipped with purple-brown ; fascicles 

 dirty white ; abdomen silvery-white, dusted with brown ; 

 dorsal ridge ornamented with two or three minute purple- 

 brown crests ; lateral and anal tufts spreading, greyish- 

 white. Fore wings rather narrow ; costa faintly curved ; 

 apex rather squarely angulated ; hind margin to the middle 

 straight and very little oblique, thence rounded off and 

 even very slightly hollowed close to the anal angle ; dorsal 

 margin faintly curved ; colour pale silvery-grey softly 

 clouded and dusted with greyish lilac and purple ; from the 

 middle of the base is a short, deep black longitudinal streak ; 

 basal line only perceptible as two cloudy black dots; first 

 line obscure, double, broken, and angulated, purple-brown ; 

 second line even more obscure, but from the costa a series of 

 cloudy wedge-shaped dots edges a whitish shade to the middle, 

 then, bending strongly inward, turns and proceeds to the 

 dorsal margin as a purple-brown streak ; subterminal line 

 a mere irregular pale division between a dusky silvery-grey 

 hind marginal stripe, and a broken, irregular, cloudy purple 

 or purple-grey stripe outside the second line ; orbicular 

 stigma greyish-white partially edged with a black line, 

 reniform stigma white with a central, dividing, lilac-grey 



I 



