riF.RID.K. 33 



I'ale yullow. Foro wiii^s with a black central spot, the 

 extreme base dusted with blackish, base of costal margin 

 reddish, and a smoky black hind marginal Ijaiul, extremely 

 broad at the apex, ami narrowing off to the anal angle. 

 Within this baud is a curved row of pale yellow spots or 

 blotches, variable in number. Hind wings with a central, 

 usually double, orange spot, and indications of a dark broad 

 marginal band, almost obliterated except at its outer edge. 

 ( 'ilia all reddish. 



Under-side : fore wings pale yellow, darker towards the 

 apex, with a black central spot, and a row of reddish and 

 black spots parallel with the hind margin. Hind wings deep 

 yellow tinged with grey, having a double purplish-silvery 

 central spot ringed with reddish, a dusky red blotch on the 

 costal margin, and a row of similar smaller spots parallel with 

 the hind margin. Head and antennte reddish, body clothed 

 with silvery-white hairs. 



Variation mainly in the ground colour — from yellow to 

 white in both sexes— and in the marginal dark band of the 

 hind wings, which in some specimens encloses a row of large 

 whitish blotches, but in others is, as to its inner margin, 

 obsolete. A specimen in Mr. Bond's cabinet is almost devoid 

 of the band of the fore wings also, having only a few apical 

 dusky blotches. Males are generally yellow, females frequently 

 so. Occasionally a white male has a yellowish tinge towards 

 the costa, and a white female the same towaids the apex. Mr. 

 "Webb has a male with two black streaks from the central spot 

 of fore wings beneath, and Mr. J. E. llobson a wonderful male, 

 taken at Colchester, having the blackish colour of the apex of 

 the fore wings above, continued inwards to the central spot. 



Found as a single brood in July and August, but on one or 

 two occasions specimens of a second generation have been 

 taken by Mr. Sydney Webb in the Dover district in September 

 and October — perfectly fresh and but just emerged. A female 

 has also been observed depositing eggs in May — probably 

 after hybernation. 



c 



