The butterfly is represented on Plate 94, Figs. 1-3. The male is blackish-brown with a faint greyish tinge, and there is a conspicuous black bar at the end of the discal cell of the fore wing, followed by a pale cloud; there are two orange marks at the anal angle of the hind wings. The female is blackish-brown, and has the black bar at end of the cell, and an orange band beyond; there are usually three orange marks on the hind wings at the anal angle, but sometimes there are only two. The under side of the male is ochreous, but that of the female is more orange; the fore wings have the black bar edged on each side with white, and there is a white-edged, brownish triangular streak beyond, the outer margin is tinged with reddish; on the hind wings there are two white irregular lines and the space between them is brownish, the outer margin is reddish, becoming broadly so towards the anal angle, where there is a black spot. Variation is not of a very striking character. The shade following the black bar at end of the discal cell on the fore wings in the male is sometimes yellowish tinged, not infrequently fairly large, and with two smaller spots below it. More rarely all three spots are distinctly ochreous-yellow (var. _spinosæ_, Gerhard). A similar aberration, but with the marks white instead of yellow, has been named _pallida_, Tutt. The orange band in the female varies in width and in length; occasionally it extends well below vein 2, and into the discal cell within the black bar. I have one specimen in which the band is broken up into three parts, and the upper one of these is but little wider than the same spot in var. _spinosæ_, the other two being almost exactly of the same size as in that variety. [Illustration: _Pl._ 92. =Scotch Large Heath.= 1, 2, 5 _male_; 3, 4 _female_. =Small Heath.= 6, 9, 10, 14 _male_; 7, 8, 11, 12, 13 _female_.] [Illustration: _Pl._ 93. =Small Heath.= _Eggs, natural size and enlarged; caterpillar and chrysalis._] The life-history is figured on Plate 95--the lower set of figures. The egg is described by Newman "as a depressed sphere and white," and he states, "it is attached to the twigs of blackthorn (_Prunus spinosa_) in the autumn, often as late as the end of September or beginning of October; it is not hatched until the spring." The caterpillar is bright pale green, and the lines on the back and sides are yellowish, as also are the oblique streaks on the sides and the border of the ridge above the feet. There are some bristles along the ridge on the back and also on that above the feet. It feeds on blackthorn in May and June, and will eat the foliage of almost any kind of plum. I have reared fine specimens from caterpillars which fed on greengage.