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Show 98 MR. R. TRIMEN ON BUTTERFLIES [Jan. 20, 93. TERACOLUS SIMPLEX, Butl. cf. Teracolus simplex, Butl. Proc. Zool. Soc. 1876, p. 148. n. 71. Ehanda (August-September). Two male examples. 94. TERACOLUS ANTEVIPPE (Boisd.). cf 2 . Anthocharis antevippe, Boisd. Sp. Gen. Lep. i. p. 5/pi. 18. f. 3 (1836). Omaramba-Oamatako (January). One male example. This male is a very fine individual, in perfect condition, and larger than any that I have previously measured (exp. 2 in. 1 line). There is only a very minute trace of black on the middle of the inner edge of the apical bright red patch of the fore wings, and the hind-marginal nervular black marks in the hind wings are sufficiently large to be contiguous, and so to form a very sharply dentated narrow border. On the pure white underside, the nervules of the hind wings and of the apical half of the fore wings are blackish near the hind margin, as in those examples of T. achine (Cram.) which are mentioned in my ' South-African Butterflies ' (iii. p. 133), as inhabiting the Transvaal and the Eastern South-tropical tracts. 95. TERACOLUS ACHINE (Cram.). 2 • Papilio achine, Cram. Pap. Exot. iv. pi. cccxxxviii. ff. E, F (1781J. Humbe (October), Okavango River (December), and Omaramba- Oamatako (January). Five female examples. All these specimens exhibit on the white ground of the fore wings a slight tinge of yellow immediately before the inner edge of the orange apical patch ; they approach the form gavisa, Wallengr., in their upperside marking of the fore wings, but (with the exception of one from Omaramba-Oamatako) are not nearly so heavily marked on the hind wings. On the underside, three of the five have the neuration in parts very finely marked with blackish, which is also a feature indicating approach to gavisa. They agree very nearly with specimens collected on the Marico River (in 1883) by Mr. F. C. Selous, and at the junction of that river with the Limpopo (in 1887) by Mr. Eriksson, and tend to strengthen the view that gavisa is not truly separable from T. achine. 96. TERACOLUS GELASINUS, Butl. cf . Teracolus gelasinus, Butl. Proc. Zool. Soc. 1876, p. 143. n. 52(1876). Omrora (August). One male example. The Angolan specimens on which this species was founded were two taken by the late Mr. J. J. Monteiro, respectively at the Quanza (August 1872) and Ambriz (October 1872). The species belongs to the group of which T. daira, Klug, is representative, its nearest ally being the Angolan T. interruptus, Butl., which is larger and has the black markings more developed. The male T. gelasinus |