071 new Oenera and Species o/" Pyralidae. 423 XLV. — Descriptions of new Genera and Species of Pyralidaj contained in the British-Museum Collection. By W. Warren, M.A., F.E.S. Subfamily Cbrtsauchnje. Chrysauge, Hub. Type C. divida^ Hlib. Ex. Sclim. Chrysauge latifasciata. Chrysauge hifasciata, Wlk. ii. p. 368, var. b. Resembles hifasciata^ Wlk,, but all the black markings are twice as broad. Chrysauge catenulata^ sp, n. Resembles hifasciata^ Wlk., but the two dark transverse fasciae of the fore wing are finer and the black border of the hind wing is traversed by a more or less distinct, fine, chain-like, yellow band, very conspicuous in the male, but restricted in the female. Four examples from S. Paolo, another from British Guiana. Chrysophila, Hiib. Type C auriscutalis, Hiib. Zutr. figs. 465, 466. Chrysophila hasilinealis^ sp. n. Resembles C. auriscutalis^ Hiib. ; distinguished by the straight black bar which runs obliquely from the base of the fore wings below the costa to the inner margin before the anal angle. Two examples in the British-Museum collection, both from Espiritu Santo. The female is quite perfect; the male is smaller and much faded, the deep orange tints of the female being quite lost ; ibrtunately the pectinated antennae are left. Nachaba, Wlk. Type N, congrualis^ Wlk. xix. p. 835. Nachaha carhonalis, sp. n. Fore wings bronzy brown-black, finely freckled with irides-cent scales. Hind wings yellow, with all the margins blackish, 2D*