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Show 1877.] ANDAMAN AND NICOBAR ISLANDS. 601 margins and cilia of both wings fawn-colour. Legs white, fore mid legs with black bands. Palpi pale brown, tipped with black. Expanse lg inch. S. Andamans (Port Blair). In coll. British Museum. CAVIRIA CYGNA, n. sp. Female white : fore wing silky white, with indistinctly apparent raised oblique bands : hind wing not silky. Palpi and fore legs ochry yellow, middle and hind tarsi pale ochry yellow. Expanse If inch. S. Andamans (Port Blair). In coll. British Museum. LiELiA VENOSA, n. sp. (Plate LIX. fig. 1,6*.) Male. Upperside pale ochreous brown. Veins of fore wing and cilia of both wings ochreous white. Front of thorax, head, palpi^ and abdomen ochreous yellow ; thorax above greyish. Underside paler. Expanse If inch. S. Andamans (Port Blair). In coll. F. Moore. EUPROCTIS DISCINOTA, n.sp. Upperside bright ochry yellow: fore wing with two median transverse dark chestnut-brown speckled bands, the outer band recurved and crossed by pale veins; a black spot at end of cell. Underside paler, both wings with an indistinct darker ochry transverse fascia, and a black spot at the end of the cell. Expanse If inch. S. Andamans (Port Blair). In coll. British Museum. Fam. PSYCHIDJE. M A H A S E N A , n. g. Fore wing elongated, narrow, costa straight, apex rounded, exterior margin oblique, posterior margin convex in the middle ; costal vein moderately stout; subcostal slender, four-branched, first and second branches arising before end of the cell, third at end of the cell, fourth from below the third at two thirds its length and terminating below the apex ; discoidal cell broad at its end ; upper discocellular vein long, inwardly oblique and bent outward at its middle; lower discocellular short, outwardly oblique, and emitting within the cell a discoidal veinlet at each end, which are joined together at two thirds their length, the end extending inwards towards base of the cell; upper radial arising from end of the cell, lower radial from angle of upper discocellular, both nearly straight; median vein moderately stout, short and twice bent at its end, four-branched, the two lower arising from the angles at its end, the third from end of the cell, and fourth at one third from base of the latter ; submedian curved and bent below end of the cell, and thence extending straight to posterior angle, emitting a lower branch or internal veinlet at the angle, the lower branch being forked at half its length and extending to near base of the wing. Hind wing short, broad, trigonal, anterior |