490 MR. F. MOORE ON DIURNAL LEPIDOPTERA [June 13, 
again, unless on the Tari pass into Spiti, 15,000 feet, over glaciers 
and snow-beds, where the rarified air prevented any pursuit of insects, 
but where I saw some fast-flying white Butterflies which I could not 
secure.” 
19. Preris NrpALENSI!s, Gray, Lep. Ins. of Nepal, pl. 6. f. 1, 3. 
Everywhere in the N.W. Himalayas, up to 10,000 feet altitude. 
20. Preris GiicrriaA, Cram. Pap. t. 171. f. E, F. 
Abundant in the same localities as preceding. 
21. Preris AJAKA, n. sp. (Pl. XXXI. fig. 16.) 
White. Male with the costal margin for half its length from 
the base and extreme base of both wings suffused with black ; a 
patch at the apex of fore wing, and a suffused spot beneath it between 
the third and second median branches, an indistinct spot at the end 
of the costal, and the tips of the nervures of hind wing fuliginous 
black. Female. Base of the wings suffused with black ; fore wing 
with the apex, two large spots on the disk, the upper one being be- 
tween the third and second median branches, the lower on the poste- 
rior margin before the angle, the submedian and median nervures, 
and branches black ; hind wing with the nervures and patch near 
the apex, between the costal and subcostal, black. 
Underside yellowish white ; nervures and the two discal spots on 
fore wing blackish. Body and antenne black. 
Hab. Lower Kunawur. 
«© Somewhat local, and not common. Of weak flight, affecting 
damp glens, and flying low amidst wet herbage. Occurs chiefly in 
autumn.” 
Allied to Pieris gliciria, but decidedly distinct from that common 
species. 
22. Pieris HRA, un. sp. (PI. XXXI. fig. 17.) 
White. Male. Base of wings and half of costa greyish. Fore 
wing with the exterior margin irregularly black, this colour com- 
mencing from the costa one-third from the apex, extending obliquely 
across it, enclosing a white spot between the third and second median 
branches, and then running to the posterior angle. Hind wing with 
or without indistinct blackish spots on the margin. 
Female. Fore wing with the base and costal margin fuliginous 
grey, the exterior marginal black band with two white spots within 
at the apex; a small black spot near posterior angle; the nervures 
closing the discoidal cell black. Hind wing with indistinct blackish 
marginal spots. Underside—hind wing and apex of fore wing yel- 
lowish ; fore wing with a streak at the end of discoidal cell and two 
spots on the disk blackish. 
Expanse 13 inch. 
Hab. Punjab and Oudh. 
Allied to P. durvasa (P. Z. 8. 1857, p. 103, pl. 44. f. 6). 
