BOARMTDyE—HTBERNIA. 245 



oblique, but faintly notched throughout, and edged outwardly 

 with a faint line of white ; discal spot elongated, nearly black ; 

 hind marginal area faintly paler than the rest of the wing, 

 and containing an almost imperceptible whitish irregular 

 subterminal line ; cilia purple-brown. Hind wings long, 

 ample, thin, silky-white faintly dusted with smoky-brown, 

 more so along the dorsal margin ; beyond the middle is a 

 slender, faintly smoky-black transverse line ; central spot 

 mmute, smoky-black ; cilia smoky-white, dusted with brown. 

 Female provided with very small flaps representing wings, 

 the fore pair squared behind, and the hind narrowed to mere 

 straps, all silvery-grey dusted with brown, and having a 

 purple-brown transverse stripe ; antenna simple, brown, 

 whiter towards the base ; head, thorax, and abdomen (which 

 is not very thick) brown, with a hoary shade on the upper 

 surfaces ; legs dark brown, barred with white. 



Underside of the fore wings of the male whitish-brown, 

 browner along the costal region ; discal spot black ; beyond 

 it IS a partial black transverse line from the costa, reaching 

 half-way across the wing; region beyond it clouded with 

 smoky-brown ; hind wings whitish-brown, dusted with purple- 

 brown ; central spot elongated, black ; beyond it is reproduced 

 the slender transverse line of the upper side. Body and legs 

 brown. 



Hardly variable, except that in Scotland the ground colour 

 is darker. 



On the wing in January and February, and occasionally in 

 the beginning of March. 



Lakva. Head and body of nearly equal width ; the body 

 velvety and without humps or warts ; in colour the variation 

 is extreme ; the head usually semi-transparent apple-green ; 

 the more usual colour of the body glaucous-green, approach- 

 ing to white on the dorsal surface, and to apple-green on the 

 ventral ; the white appearance of the back is partially due to 

 the presence of whitish stripes, of which the more conspicuous 



