46 LEPIDOPTERA. 



purple-brown, with n white circlet round e.ach antenna ; 

 neck-riilpe brown; thorax white; abdomen ]>rowu thickly 

 dusted with white, and having down the dorsal ridge a row 

 of raised tufts, black in front, white behind ; basal segment 

 and anal tuft chalky-white. Fore wings elongated, narrow, 

 oosta very flatly curved ; apex bluntly rounded ; hind margin 

 long and very oblique, but little curved ; dorsal margin 

 rather rounded ; chalky-white clouded towards the dorsal and 

 hind margins with grey ; costa clouded with a series of 

 smoky-black blotches ; basal line only indicated by a black 

 dot on the median nervure ; first line only by one or two 

 faint black streaks; second line more visible, exceedingly 

 slender, oblique but curved back to the costa and forming 

 black dots on the nervures ; discal spot deep black, erect, 

 lunate, joined outwardly to a broad, somewhat kidney-shaped 

 blotch from the costa to the middle of the wing ; along the 

 dorsal margin is a series of cloudy black dots ; subterminal 

 line white, rippled, distinctly visible as it passes through a 

 yellowish-grey or pale grey hind-marginal cloud ; cilia white 

 clouded with large greyish spots. Hind wings rather small, 

 rounded behind, white ; central spot black ; dorsal margin 

 barred with grey-black streaks ; hind margin faintly dusted 

 with smoky-brown, in which is a rippled faint white line ; 

 cilia white dusted faintly with smoke colour. Female 

 similar. 



Underside of the fore wings smoky-white, with black 

 clouding along the costal area, and more faintly along the 

 hind-marginal ; discal spot black. Hind wings white, with 

 a series of six dotted, shaded, and rippled smoky-black 

 transverse lines, most distinct on the margins ; central spot 

 black ; cilia white spotted with black. Body and legs 

 white, but the tarsi brown. 



A little variable in the whiteness of the wings, or in their 

 being softly clouded with grey or yellow-grey ; also in the 

 size and darkness of the large reniform blotch ; in rare 

 instances, occurring principally in the London district and 



