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Show 1893.] SPECIES OF MOTHS FROM INDIA. 423 paler, sometimes quite whitish. Underside pale grey clouded with darker, the $ very much more so than the 3, especially at the apex of the fore wings ; with the central spot and 2nd line of both wings distinct, dark grey, much more strongly marked than on the upper surface; the front wings also showing the basal line, but not so distinct as the other. Expanse of wings, 3 30, $ 28 millim. Hab. Sikkim. Bather a fragile species, and easily distinguished by the decidedly different coloration of the sexes. [I have a long series of this species, which varies a good deal, and seems common in July and August at elevations of 7000 to 11,000 or 12,000 feet in Sikkim.-H. J. E.~\ ARICHANNA BIQUADRATA, sp. n. 3 . Fore wings olivaceous grey, mottled with dark-brown transverse striga?; markings brownish black, interrupted throughout by the veins, which are distinctly paler than the ground-colour ; 1st line broad, double, forming a small costal blotch, 2 small blotches near the base of the cell, the inner one rounded, the outer quadrate; 2 oblong blotches between the median and submedian and 2 small quadrate blotches between the latter and the inner margin ; cell-spot large, subquadrate, conspicuous ; 2nd line very broad, double, forming a small dark blotch on the costa; 2, contiguous, immediately beneath it, and a large subquadrate blotch beyond and almost touching the cell-spot, becoming broken up and more indistinct towards tbe inner margin; its outer edge is followed by indistinct and interrupted whitish striga? ; subterminal line interrupted, fine, whitish, most distinct beneath the costa, where it is preceded by a somewhat ill-defined blackish blotch ; fringes mottled dark and light olive, with a pale basal line, preceded by a row of black flattened spots between the veins. Hind wings whitish grev, with a dark discal spot, and faint indications of darker bands (one discal, the other submarginal) and a row of dark spots before the fringes, which are paler. Head, thorax, and abdomen dull dark olive. Underside: fore wings dull grey, with scarcely any markings; hind wings more ochreous, with distinct fuscous mottlings and dark discal spot and central band. Besembles plagifera, Moore, but duller in colour ; distinguished at once by the absence of the pale oblique apical streak in the fore wings, and the large dark discal blotch. Hab. Sikkim. [Taken by myself on Tonglo in July.-H. J. E.] ARICHANNA MARGINATA, sp. n. 3. Fore wings whitish ochreous, shining; dusted with darker atoms, and largely suffused with olive fascia?; a dark olive transverse streak near tbe base ; basal area bounded by a fine curved silvery line, followed by a broad curved olive fascia, containing |