136 LEPinOPTERA. 



its inner margin, more .slenderly on the outer, with black ; 

 the preceding pale space faintly shaded with pale brown in 

 parallel lines and clouds ; second line commencing as a 

 triangular brown blotch on the costa, runs out as a black, 

 streamer-like stripe, to a long angle toward the hind margin, 

 thence proceeds as a very delicate slender brown line to tlie 

 dorsal margin, and is preceded at a short distance by a 

 similar fine line, both dotted on the nervures ; central spot 

 a black dot, and the pale central band in which it is placed 

 is very faintly shrided and mottled with purplish-grey ; hind 

 marginal region from the double second line uniformly 

 ])urplish-grey ; through it runs the rijipled whitish sub- 

 terminal line; extreme hind margin edged with minute 

 black streaks aiul dots ; cilia purplish-grey dappled with 

 ])aler. Hind wings rounded behind, shining white, shaded 

 with smoky-lirown, especially so towards the hind margin, 

 and crossed by a very slender curved dotted grey line ; hind 

 margin edged with short V)iack streaks : cilia glossy pale 

 grey-brown, dashed with whiter. Female very similar. 



Undersid<' of the fore wings pale smoky purple-grej', more 

 yellow-brown along the costa; the dark markings of the 

 upper side oijscurely visible ; hind wings smoky purplish- 

 white with a dotted middle transverse line; central spot 

 small, black ; all the hiiul margins edged with fine black 

 lines. Jiody and l(>gs light brown. 



Hardly variable, except in a small degree in the depth of 

 the ground-colour and darkness of the slender stripes; but 

 Dr. Mason has a specimen, reared at Burton-on-Trent, which 

 has the whole ground-colour ])urplish-grey ; Miss Kimber 

 has taken one of a buff colour at Newbury ; and Mr. Sydney 

 Webb has one in which (he broad central band is of an 

 exquisitely pure white. 



On the wing in April and the beginning of May. 



J.AKVA elongate, attenuated in front: skin smooth, not 

 shining; head small, flattened, raised in rej)OSe, jiui-ple ; 



