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Show 364 MR. W. WARREN ON NEW GENERA AND [Apr. 18, ASTHENA (?) RUFIGRISEA, sp. n. (Plate XXXII. fig. 6.) 2 . Fore wings dull ochreous, more or less entirely overrun with obliquely curved grey fasciae; basal area entirely grey, crossed by some very faint paler lines ; central area ochreous, oblique, twice as broad on costa as on inner margin, containing a small dark cell-spot, and margined externally by an ill-defined rust-coloured line; this is followed by a broad, dark grey fascia which is externally bluntly lobed ; and this again by 2 or 3 grey sinuate lines which become confused and shadowy towards the anal angle; fringes with a black spot at end of all the veins. Hind wings like fore wings, but the basal grey patch much smaller. Head, face, and thorax ochreous, tinged with grey; abdomen darker. Underside like upper, but much duller. Expanse of wings 30 millim. Hab. Sikkim. ASTHENA OCHRACEA, Warr. P. Z. S. 1888, p. 321. (Plate XXXII. % 10, 2 •) [Described as from the Punjab, but taken by m e at Shillong on the Khasia Hills.-H. J. E.~\ HYDRELIA LILACINA, sp. n. (Plate XXXII. fig. 4.) 2 . Fore wings dull pinkish grey, thickly dusted with vinous atoms, and crossed by indistinctly undulating vinous lines ; 1st line at-f, brownish purple, running slightly outwards for \, then inwards and slightly wavy ; 2nd line at §, brownish purple, thickened towards costa, running parallel to hind margin, except in the middle, where it forms a bluntly angulated and indented projection outwards ; fringes paler pink. Hind wings white, with only the fringes, the extreme hind and inner margin, and the commencement of a line on the latter vinous. Head, face, and abdomen like ground-colour ; thorax itself brownish purple, like the lines of the fore wings. Underside of both wings glossy whitish (in the fore wings suffused with pinkish purple), with the exterior line distinctly pinkish on both wings. Expanse of wings 34 millim. Hab. Tonglo, Sikkim. [The specimen described is larger, brighter, and has the angulated projection of the outer transverse lines less prominent than in another specimen also taken by m e at about 12,000 feet on the Nepal frontier.-H. J. E.~\ HYDRELIA MARGINEIUNCTATA, sp. n. (Plate XXXII. fig. 5.) 2 . Fore wings sandy yellow, with fine darker irrorations, the lines not denoted except along the costa, where can be counted 7 purplish-brown spots, the last 3 larger than the others ; obliquely beyond the first 4 are 4 smaller dots on the subcostal; from the last 3 costal spots may be traced 3 transverse lines running parallel to the hind margin, and in places denoted by dots on the veins, the first 2 forming 2 short contiguous lines on the inner margin; fringes |