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Show 592 PR. A. G. BUTLER ON LEPIPOPTERA [June 19, The remainder of the Pyralidce, the Crambiclce, Phycitidce, and Tineidce I can do nothing with, excepting that there is one rather good example of Dysphylia viriclella, Ragonot, from the Sabaki Valley. The Geometridce are also mostly in bad condition, but the following are identifiable :- 209. TEPHRINA OBSERVATA. Tephrinaobservata, Walker, Lep. Het, xxiv. p. 963. n. 32 (1861). Nzoai. 210. STERRHANTHIA SACRARIA. Phalcena-Geometra sacraria, Linnaeus, Syst. Nat. i. 2, p. 863. n. 220. Ndara and Njempo. 211. ORTHOLITHA MONOSTICTA, sp. n. (Plate XXXVII. fig. 9.) Nearest to 0. megalaria : wings silvery greyish white, with faint brassy reflections ; costa of primaries slightly browner; an oblique black bar on the discocellulars; a slightly arched grey stripe crossing the disc parallel to outer margin and followed by two very badly-defined submarginal stripes, the inner one often partly obliterated; two more slender stripes traverse the fringe of all the wings. Head, prothorax, and patagia brownish grey; remainder of body whitish ; antennae white, with blackish pectinations in the male. Wings below greyer, all the veins pale buff ; costa of primaries with a golden reflection, irrorated with grey, traces of the commencement of tbe first twTo transverse stripes as far as upper radial vein; discocellular bar replaced by a cuneiform oblique whitish-edged black spot: secondaries white irrorated with grey; the costa tinted with pale buff; a black spot on upper discocellular and a series of four black dots on the median and radial veins ; a submarginal squamose brownish-grey line; margin also grey : body below brassy, legs slightly dusted with grey. Expanse of wings 32 millim. Guaso Nyiro; steppes N . W . of Longari ; Thegu. 212. CATACLYSMS ARGYRIPIA, sp. n. (Plate XXXVII. fig. 10.) Primaries above silver-grey, divided into three nearly equal parts by two white irregular stripes, which indicate the central band, the inner stripe }-shaped, the outer wider, better defined, undulated, almost in the form of the Greek letter £ (but with the tail continued almost to the length of the character) on the left hand side ; on the right band it consequently more nearly resembles a figure 3, also with the lower extremity continued : secondaries pure white, crossed before the middle by an equally bisinuate grey band, the centre between the two sinuations forming an acute angle directed outwards: a dotted grey line, duplex at abdominal margin, followed by an external rather broad grey border ; a sub- |