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Show 128 DR. A. G. BUTLER ON BUTTERFLIES [Jan. 14, 80. TERACOLUS INFUMATUS, sp. n. (Plate VI. figs. 5, 6.) Nearest to T. arethusa, the male with a similar but less angular orange or vermilion patch on the black apical area; the costa blackened almost to the base; the spot at the end of the cell larger, and a broad blackish streak along the inner margin as in some females of T. arethusa ; the secondaries with a broad diffused blackish border, running inward along the nervures; base and costa almost to apex broadly blackish ; body normal. Primaries below not yellow at base, but more so at apex ; black discocellular spot larger, a broad internal grey streak ending in a blackish diffused spot: secondaries somewhat greyish at base, costal orange streak defined, black-dotted orange spot at end of cell larger; female with better-defined, though small, orange dashes on the apical area than in most females of T. arethusa ; other black areas extended, so as more nearly to repeat the pattern of T. gavisa 2, but only the two apical white spots on the border of secondaries large and well defined, the others small and greyish : below the colouring throughout is clearer and brighter than in T. arethusa and the primaries show a broad internal grey streak terminating in a blackish spot; the costal orange edging of the secondaries, as in the male, is bright and sharply defined. Expanse of wings, 3 44 millim., 5 42 miilim. 3 2 , Henga, 24th, 26th, and 30th January, 1895. " Dusky Orange-tip " (22. ft). W e have long had a single female of this very distinct species in the Museum collection, from Niomkolo, Lake Tanganyika, obtained in January 1890, and presented to the Museum by Alexander Carson, Esq. 81. CATOPSILIA FLORELLA. Papilio florella, Fabricius, Syst. Ent. p. 479 (1775). 2 , Nyankowa Mt., Nvika, April 10th, 1895. " Brimstone " (R. ft)." 82. BELENOIS SEYERINA. Papilio severina, Cramer, Pap. Exot. iv. pi. cccxxxviii. G, H (1782). 3 2 in coitu, Henga, W . of Lake Nyasa, Jan. 22nd, 1895. " Common black-bordered White " (R. ft). 83. BELENOIS MESENTINA, var. AGRIPPINA. Pieris agrippina, Felder, Reise der Nov., Lep. ii. p. 173 (1865). 2 , Henga, Jan. 22nd; Ngerenge, W . coast of Lake Nyasa, Feb. 27th ; 3 , Nyankowa Mt., 6500 feet alt., April 9th, 1895. 3, "Common White"; $, "Deep black-bordered White" (R. ft). The females show almost the deep yellow under-surface coloration of the form to which I gave the name of B. auriginea, but |