28 LEPIDOPTERA. 



covered with long smooth scales, brownish-white ; abdomen 

 similar, smooth, faintly banded with grey dusting; lateral 

 and anal tufts small. Fore wings long and produced towards 

 the apex ; costa straight or almost hollowed in the middle, 

 but vei-y faintly arched at the base and apex, which last is 

 decidedly angulated ; hind margin fully curved and rather 

 expanded, the curve running on to the dorsal margin ; colour 

 white or greyish-white, faintly or else more fully, dusted with 

 black and brown ; first line perpendicular and rather straight, 

 consisting of three dark brown, or black, spots placed on 

 nervures and faintly connected together; second line very 

 oblique, placed in crescents throughout, and forming a black 

 arrow-head on each nervure ; outside this are two black- 

 brown cloudy blotches, one above the middle, the other below 

 it ; discal spot ovate, erect, reniform, black ; often the trans- 

 verse lines and the nervures are shaded or dusted with yellow- 

 brown ; extreme hind margin dotted with black and faintly 

 edged with reddish-brown ; cilia white, faintly shaded with 

 the same colour. Hind wings of moderate breadth, rounded 

 behind ; silky-white dusted with grey-brown ; central spot 

 brown, followed by a slender sinuous transverse line of small 

 brown spots ; hind margin bordered with dots of cloudy black- 

 brown ; cilia white, shaded with light brown. Antenna of 

 the female simple ; bod}'- much stouter but wings decidedly 

 smaller ; their whole surface, but that of the hind especially, 

 more dusted with brown or grey-brown, the stripes and 

 blotches broader and darker, and the stripe on the hind wings 

 clouded and continuous ; cilia greyish-white ; otherwise 

 similar. 



Underside of the fore wings pale smoke-colour or smoky- 

 white ; the black discal spot, and the second line with its 

 black dashes, distinctly visible. Hind wings very silky, 

 white, the central spot black and conspicuous, followed bj^ a 

 row of black-brown spots ; cilia clouded with brown. Female 

 with the underside of the fore wings of a darker shade, and 

 the hind wing's dusted with black-brown. 



