The caterpillar, which feeds upon dog-violet, and also the sweet violet, is figured on Plate 53. The head is pinkish-brown, covered with short greyish bristles. Body black, incrusted with ochreous grey on the sides, and on the back marked with ochreous grey on the hinder half of each ring; dorsal line white. The branched spines are pinkish-brown. The chrysalis is deep brown, freckled with paler; points along the back of the body brilliant greenish-golden, as also are the four points on the thorax. The wing-cases are rather paler. The foregoing brief description was taken on July 10, and the butterfly emerged five days afterwards. [Illustration: _Pl._ 52. =Greenish Silver-washed Fritillary.= _Var. valesina, female._] [Illustration: _Pl._ 53. =High Brown Fritillary.= _Eggs enlarged; caterpillar and chrysalis._] Barrett says, "Apparently found in most of the larger woods of the southern counties, from Kent, Essex, Suffolk, and Norfolk on the east, to Devonshire, Glamorganshire, and Merionethshire on the west; also in similar situations through the north-western counties and the more sheltered woods of the Midlands to Herefordshire, Shropshire, Derbyshire, and Lincolnshire. Found in several localities in Yorkshire, in the favoured Grange and Silverdale districts of Lancashire, and near Lake Windermere in Westmoreland, its extreme northern boundary being reached in Cumberland." It is widely distributed over Europe, and its range extends into Asia Minor and Amurland. In China and Japan it is represented by various forms, the commonest of which is var. _locuples_. The Dark Green Fritillary (_Argynnis aglaia_). This butterfly is bright fulvous in the male, paler in the female; the latter sex is blackish towards the base, and has paler spots on the outer margin. The black marking is pretty much as in the previous species, but the male has the black scales (_androconia_) on veins 1 and 2, and these are less conspicuous. The basal two-thirds of the hind wings is greenish on the under side. The silvery spots are arranged in fairly regular series, and there are no silvery centred red spots between the two outer series. The blackish crescents on the outer margin of the fore wings are edged with silver, but this is chiefly towards the tips of the wings. There is some variation in the tone of the ground colour, lighter or darker than normal in both sexes; the female seems to be the most variable in this respect, and sometimes, especially in the north, examples of this sex are much suffused with blackish or greenish-black. Occasionally the colour is quite pale, as shown in the middle figure on Plate 61, and sometimes it is clouded with greyish. The black spots are apt to run together, and so form bands and blotches. An example of this kind of aberration is shown on the plate.