The under side, shown in the accompanying woodcut, is ashy brown; warm in the female, but paler in the male. The hind wings, and sometimes all four, are bordered with orange spots; and this species may be distinguished from _Astrarche_ by the presence of two black spots, in white rings, near the base of the fore wings. There will be no need to name localities for this insect, as it is abundant everywhere, frequenting meadows, heaths, and all waste places. It is double brooded, and is on the wing continuously from May to September, the first brood enduring from May to July, and the second from July to the end of the warm weather. The caterpillar is green, with a dorsal line of a darker tint, and a row of white spots on each side. It feeds on clover (_Trifolium pratense_ and _T. repens_), bird's-foot (_Ornithopus perpusillus_), bird's-foot trefoil (_Lotus corniculatus_), and the rest-harrow (_Ononis spinosa_). The chrysalis is short and rounded, of a dull green colour, tinged with brown on the under surface. _The Clifden Blue_ (_Lycaena Bellargus_) Our coloured representations of this beautiful blue (Plate VI, figs. 17 and 18) show that here also there is a great difference between the male and female. The former is a most lovely and brilliant sky blue, bordered by a fine black line; and the latter is a dull dark brown, with a more or less distinct border of orange spots, and the bases of the wings are powdered with scales of a tint corresponding with those of the male. In both sexes the fringe is very distinctly barred with dark brown. [Illustration: FIG. 90.--THE CLIFDEN BLUE--UNDER SIDE.] The under side (fig. 90) is similar in both sexes--greyish brown, with a border of reddish spots, and a number of black spots in white rings, the arrangement of which is here represented. The butterfly frequents chalky downs, chiefly in the south of England, and seems to be unknown in Scotland and Ireland. The Isle of Wight, and the chalky downs and banks of Sussex, Surrey, and Kent, are its favourite localities; and even in these it is generally very local, sometimes swarming on a grassy bank of no great extent, when the surrounding neighbourhood, though apparently equally suitable to its requirements, does not harbour a single specimen. It is on the wing in May and June, and again in August. The caterpillar is green, with two rows of yellow streaks on the back, and a yellow stripe on each side. It feeds on the Dutch clover (_Trifolium repens_), horse-shoe vetch (_Hippocrepis comosa_), and various other leguminous plants. _The Chalk-Hill Blue_ (_Lycaena Corydon_)