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Show 1882] MR. H. J. E L W E S O N BUTTERFLIES FROM SIKKIM. 4U/ HALPE SIKKIMA, Moore, n. sp. A single specimen only of this species, of which, as of the next, the description has been supplied by Mr. F. Moore. Allied to II. beturia. Male. Differs from same sex of that species in the fore wing being more acute at the apex, and the exterior margin less convex; the hind wing also is less convex externally, the colour is much darker olivaceous brown. Upperside of fore wing with similar spots, the two conjoined spots before the apex less obliquely situated, the two discal spots slightly less separated. Underside also darker, the olive-yellowish scales uniformly disposed aud not forming a marginal macular band or discal fascia on the hind wing. Cilia of both wings brownish white throughout, not alternated with black as in H. beturia. Expanse If inch. Hab. Sikkim. In coll. H . J. Elwes. In shape of wings and coloration this species is somewhat like II. varia of Japan. HALPE SEPARATA, Moore, n. sp. A pair only of this new species. Male. Also allied to H. beturia. Fore wing comparatively shorter and the hind wing broader; fore wing with three conjoined small subapical yellowish-white spots, a transverse spot at upper end of the cell, and two widely separated spots on the disk. Cilia brownish white, alternated with dark brown. Underside, with the costal and outer borders of fore wing and entire hind wing covered with golden-olive scales; posterior border of fore wing yellow. Expanse lT 2y inch. Hab. Sikkim. In coll. H. J. Elwes. THANAOS STIGMATA, Moore, P. Z, S. 1878, p. 694. One damaged specimen only of this rare species. HESPERIA DARA, Koll. Kaschm, p. 455. A single specimen, which is considered by Mr. Moore to be the same as H. dara of Kollar. It appears to be very close to II. flava, Murr., from Japan, and also to //, mcesoides, Butl., which I have from Sikkim. EXPLANATION OF PLATE XXV. Fig. 1. Lethe (?) margarilce, p. 405. 2. Debis (Tansima) masoni, p. 405. 3. Chionobas pumilus, p. 404. 4. Parnassius epaphus, var. sikkimensis $, p. 399. 5. S • 6. Argynnis gemmata d, P- 404. 7. 2- 8. altissima, p. 403. 9. Ilerda saphir ? d, p. 402. 10. $• PROC. ZOOL. Soc-1882, No. XXVIII. 28 |