C0LIIN2E. 
161 
Dry-season Brood (Figs. 2b, £, 2d, $). 
Male and female differ only in their smaller size, paler colouring, and narrower 
bands. 
Antennae, frons and thorax in front orange-pink, rest of thorax and abdomen above 
greenish-grey, below pale yellow like the wings and legs. 
Expanse, £ ¥ 1 ttf f° 2 T V inches. 
Habitat. —Afghanistan, Beloochistan and Chitral; extends into Russia. 
Distribution. —We took both forms in Kandahar and Quetta, where it was not 
common, there are two dry-season forms in the B. M. from Chitral and two from 
Fergana, and some Wet-season forms from Sarepta in South Russia, and Hissar 
Mountains, Turkistan. 
EURYMUS NILAGIRIENSIS. 
Plate 603, figs. 1, $, la, J, lc, J (Wet-season Brood), lb, $ (Dry-season Brood). 
Colias Nilagiriensis, Felder, Wien, Ent. Mon. iii. p. 395 (1859). Wallace, Trans. Ent. Soc. 1867, 
p. 391. Hampson, Journ. As. Soc. Bengal, 1888, p. 362. Fergusson, Journ. Bo. Nat. Hist. 
Soc. 1891, p. 444. 
Colias Nilgiriensis, Butler, Proc. Zool. Soc. 1881, p. 607. Bingham, Fauna of Brit. India, Butt. ii. 
p. 234, pi. 18, fig. 121 (1907). 
Colias Hyale, var. Nilgherriensis, Elwes, Trans. Ent. Soc. 1884, p. 23. 
Colias Hyale, var. Nilgiriensis, Verity, B-hop. Palearctica, p. 225, pi. 40, figs. 40, 41 (1909). 
Wet-season Brood (Figs. 1, £, la, $, lc, ?). 
Imago. —Male. Upperside lemon-yellow. Forewing with the basal third and 
costal space thickly irrorated with black scales, a large black oval spot at the end of 
the cell, exterior black border broad, occupying one-third of the wing, its inner margin 
sinuous, and here and there running a little inwards on the veins ; five or six spots of 
the ground colour across its middle, four sub-apical and one below its middle, the spots 
fairly uniform in size, the lowest generally the largest, the band deepest at the apex, 
its inner margin more or less curved, and it narrows gradually hindward on to the 
lower margin. Hindwing with black irrorations spreading all over the wing, except for 
a large round space at the end of the cell, which is of the ground colour with an orange- 
yellow centre, the irrorations dark at the base and gradually paling outwards, the 
black exterior marginal band fairly broad at the apex, narrowing gradually upwards 
and hindwards, its inner margin suffused and traversed by spots of the ground colour ; 
cilia of both wings white marked with pinkish-orange. Underside much paler yellow. 
Forewing with the costal line dark orange-red, with two darker spots near the apex, a 
large black cell spot and an almost straight discal line of black spots Hindwing, 
irrorated with greenish scales, an orange-red spot on the costa a little beyond the 
VOL. VII. 
Y 
