52 
PIERID.E. 
wings with the nervures black and strongly defined ; hind margin 
with a black border, dentated along its basal edge ; the discoidal 
cell has at its outer extremity a black linear mark. Hind wings 
with a verj^ narrow black border, and hardly any trace of a discoidal 
spot. Female whiter than the male. Fore wings with a broad 
black border, on which are placed, parallel to the hind margin, five 
or six conspicuous white spots. Discoidal spot lozenge-shaped or 
oval, and white in the centre. The hind wings have the nervures 
defined as on the fore wings, a very narrow black border and light 
orange discoidal spot. Under side : — The fore wings are nearly 
white in both sexes, greenish yellow along the costa and hind 
margin ; discoidal spot small and narrow. Hind wings dark bluish 
green at the base, four or five lighter square spots parallel to the 
hind margin ; discoidal spot pearly white, and surrounded by a red 
ring. Fringes of all the wungs rose-coloured, as well as the antennae, 
head, prothorax and legs. Posterior thoracic segments and abdomen 
black, covered with fine white hairs. PI. XII., 1. 
Habitat. — Lapland and Sweden, frequenting mountains. 
Appears to be quite distinct from G. Nastes. 
5. C. Phicomone, Esp. Schmet. i. 2, t. 5, 6; Hub. Eur. 
Schmet. i. 436, 437 ; H.-S. Schmet. Eur. i. 399, 400. 
Expands from 1-75 to 2-18 in. The male has the wings of a 
dusky greenish colour ; hind margins black, spotted with light 
greenish yellow ; fore wings yellowish towards their inner margins, 
and with a distinct black discoidal spot. Hind wings with a very 
pale orange discoidal spot. Under side: — Fore wings greenish 
white, yellow at the tip ; discoidal spot white in the centre. Hind 
wings greenish yellow, with large lighter yellow spots along the 
hind margin ; discoidal spot pearly, and surrounded by a red 
ring ; on the costa a red spot. The female has the wings nearly 
white, with the base very dusky, and the hind marginal spots very 
large, the hind wings showung hardly any traces of a black border. 
Fringes of all the wings, in both sexes, rosy red ; also the antenna!, 
])rothorax,' and legs as in the allied species. 
'ITmes of Appearance. — July and August. 
Habitat. — Mountain pastures in Europe and Siberia; in 
