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Show 1891.] BUTTERFLIES FROM EASTERN AFRICA. 191 Underside considerably different from that of M. rueppelli, the hinder wing and the apex of the fore wing being ochreous, each nervule being represented on the hind margin by a spot of black; the base of the fore wing with an oblique mark of bright orange as on the upper surface, but this orange mark is extended much further along the costal border and reaches beyond the limit of the discoidal cell. Exp. 2% inches. Hab. Kavirondo, Oct. 1889. 6. TERACOLUS ELGONENSIS, sp. n. (Plate XVI. fig. 6.) General colour greenish white, with a small black spot at the end of the discoidal cell. The costal margin is narrowly edged with black, which is much broader at the apex, and continues along the hind margin, decreasing in width towards the submedian nervure, where the black terminates. Near the apex, between the third subcostal and first radial nervules, is an ovate spot of deep crimson followed by two other spots smaller in size, the last being nearly obsolete. At the base near the inner margin is a slight shading of grey. The hind wing is greenish white with no visible markings. Underside. Fore wing white, with the costal margin, hind margin, and apical portion pale yellow, the small black spot at the end of the discoidal cell visible. Hind wing entirely pale yellow, the costal margin narrowly edged with orange ; a small streak of black is very distinct at the end of the cell; from the end of the costa to the submedian nervure is a half-circle of light brown spots between the nervules. Exp. 3 inches. Hab. Mount Elgon, Feb. 1890. 7. BELENOIS MARGARITACEA, sp. n. (Plate XVI. fig. 4.) Fore wing with more than the basal half pearly white, the apical portion of the wing with the costal margin black, this black extending to the posterior angle but becoming much narrower in this direction. Some slight indications of subapical whitish streaks. Hind wing pearly white with a bluish reflexion ; the hind margin with a tolerably broad baud of black indented by subterminal spots of bluish white, becoming smaller and more longitudinal between the first and second median nervules, and becoming obsolete above the submedian nervure. Underside. Fore wing with the basal portion white, with a yellowish tinge, inclining to pale orange near the extreme base ; costal margin and apical portion of the wing black, inclining to bronzy black at the apex and on the hind margin ; this leaves a subterminal band of deeper black bordering the white area. Hind wing bronzy black, with a spot of orange-yellow before the apex, and with a slight edging of yellow near the base of the costa ; a slight indication of a paler subterminal shade of bronzy brown along the hind margin. |