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Show 410 ON NEW HETEROCERA FROM TROPICAL AFRICA. [June 29, cell. Secondaries dark orange-yellow, bordered from the apex to the anal angle and thence along the inner margin to the base with bright pink ; a large central round fawn-coloured ocellus broadly edged with black. The underside uniform pale pinkish brown. Head and thorax orange-yellow ; collar and underside of the thorax pure white ; a wide pink band at the base of the thorax. Abdomen, upperside orange-yellow, underside pale pinkish brown; tbe anus pink ; antennae brown, deeply pectinated; legs pale brown. Expanse 3| inches. Hab. East Africa, Matebele Country. Mus. Druce. This species is allied to B. pygmcea, Maassen, from which it is at once distinguished by not having the black band across the primaries and the absence of the white dot at the end of the cell, and difference in the colour of the antennas. LASIOCAMPID^. STIBOLEPIS SVLVIA, sp. n. Primaries silvery white, brownish black along the costal margin, the apex, and outer margin ; the veins from the cell to the outer margin dusky. Secondaries silvery white, with the apex and outer margin narrowly edged with brownish black ; the veins a short way up from the margin dusky. Underside as above, excepting that the primaries have less black at the apex. Head and thorax yellowish white. Abdomen dark yellow; antennae black; legs yellow. Expanse 2\ inches. Hab. West Africa, Cameroons (Thompson). Mus. Druce. This beautiful species is allied to Stibolepis nivea, Butler, from which it is at once distinguished by its smaller size aud entire absence of the black marginal band of that species. CHRYSOPOLOMA ROSEA, sp. n. (Plate XXXVIII. fig. 3.) Primaries fawn-colour, shaded with pink along the inner margin, crossed beyond the middle by a row of brownish-red spots. Secondaries pale yellow, the fringe pinkish. The head, thorax, and abdomen pale yellowish-fawn colour; legs brownish black ; antenna? black. Expanse If inch. Hab. East Africa, Delagoa Bay. Mus. Druce. This pretty little species is allied to Chrysopoloma obtusa, Walker, also from East Africa. CHRYSOPOLOMA CITRINA, sp. n. (Plate XXXVIII. fig. 4.) Primaries pale yellow, crossed about the middle, from the costal to the inner margin, by a band of very small brown spots, beyond which is a second band, extending from the apex to the inner margin ; the second band is very much wider, and near the inner margin it has several whitish spots; a submarginal row of minute dots extending from the apex to the anal angle. Secondaries pale yellow, with a central and submarginal row of small brown spots. The fringe of both primaries and secondaries pale yellow; the underside |