NOTODONTID^. 173 



Fore wings purplish-brown with irregular white cross-lines 

 and a small brigrht chocolate blotch before the apex ; thorax 

 strongly crested. 



Antennge of the male strongly pectinated, the teeth 

 blackish, the shaft glossy brown ; head pale grey ; on its 

 crown commences a blotch of deep black-brown which 

 extends back over the middle of the thorax, rising into a 

 high tuft of upright scales, the hinder portion of which 

 shades into red-brown ; sides of the thorax silvery-grey ; 

 abdomen grey, rather glossy, with a long, narrow, forked 

 anal tuft, grey tipped with dark brown. Fore wings broad 

 behind ; costa very straight ; apex blunt ; hind margin very 

 fully rounded, the curve sweeping round the anal angle ; dorsal 

 margin straight ; colour purplish-grey ; near the base is a 

 short white line, edged with brown, extending from the costal 

 margin to the median nervure ; beyond this is another from 

 the same nervure to the dorsal margin ; before the middle is 

 the normal first transverse line, slender, whitish, angulated 

 in its upper half ; beyond the middle the second transverse 

 line, rather more oblique, whitish on the costa, passing 

 through the commencement of a bright chocolate-red blotch 

 of moderate size which reaches only half-way to the apex and 

 hind margin; at the end of the discal cell is a black line, 

 and beneath it another, placed more obliquely, edged with 

 white, and meeting the second transverse line at the dorsal 

 margin ; before the hind margin is a line of blackish cloudy 

 streaks or lunules ; cilia grey-brown. Hind wings dark 

 grey ; cilia greyish white. Female with the antennje very 

 shortly pectinated ; abdomen stout ; otherwise similar. 



Underside dull brownish, fore wings tinged with chocolate 

 toward the apex, and with an oblique whitish streak on the 

 costa. 



Variable in colour, in some instances the fore wings are 

 much tinged with chocolate-red, in shades and blotches, over 

 the general surface even to near the base ; in others almost 



