Descriptions of new genera and species of Asiatic nocturnal Lepidoptera

326 MR. F. MOORE ON NEW ASIATIC [Mar. 1, 1. Descriptions of new Genera and Species of Asiatic Noc-turnal Lepidoptera. By F. Moore, F.Z.S. [Received February 1, 1881.] (Plates XXXVII., XXXVIII.) Tribe BoMBYCES. Fam. Chalcosiid^. Chatamla, n. g. Male and Female. Fore wing elongated, trigonal, costal margin nearly straight, apex slightly rounded, exterior margin very ob-lique and slightly convex, posterior margin nearly straight ; costal vein extending to two thirds of the wing, first subcostal branch emitted at half length of the cell, second at one fourth before end of the eel!, and trifid near the apex, fifth bifid at half its length be-yond the cell ; cell short ; discocellulars slightly concave, the radial starting from their middle ; median vein three-branched, second emitted from angle before end of the cell ; subraedian nearly straight. Hind wing short, broad, anterior margin arched at the base, apex slightly convex, exterior margin convex, angled anteriorly and at the middle, abdominal margin long ; costal vein extending to apex, sub-costal two-branched, first emitted before end of the cell ; cell short ; discocellular slightly oblique, radial from near upper end ; median three-branched, second from angle before end of the cell ; a sub-median and a slender internal vein. Body slender, short, squamose ; antennae finely bipectinated ; palpi slender, pilose, apex pointed ; legs squamose, spurred. Type Chatamla Jlavescens, Chatamla flavescens. Euschema Jlavescens, Walker, Catal. Lep. Het. Brit. Mus. ii. p. 406 (1854) ; Illustr. Type Spec. Lep. Het. Brit. Mus. part i. p. 57, pi. 14. fig. 3,? (1877). Hab, Khasia Hills. Chatamla nigrescens. Euschema nigrescens, Moore, Descr. Lep. Coll. Atk., As. Soc. Beng. p. 20 (1879). Hub. Darjiling. Fam. NoTODONTiD^. CORMA, n. g. Male. Fore wing elongated, narrow, slightly arched towards apex, exterior margin oblique and convex, hind margin slightly lobed near base ; subcostal vein six-branched, first branch starting before end of the cell, second trifurcate towards apex, fifth and sixth starting