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Show 90 MR. R. TRIMEN ON BUTTERFLIES [Jail. 20, 72. CHRYSORYCHIA AMANGA (Westw.). 8 2 • Zeritis amanga, Westw., Oates' 'Matabele-land,' &c.p. 351. n. 62(1881). Omrora (August and November) and Humbe (October). Ten examples ; six males and four females. These males on the upperside differ from the Transvaal one figured in ' South- African Butterflies' (ii. pi. 9. f. 1) in the much larger red field in the fore wings, extending more or less over the discoidal cell and the upper discal area beyond the cell. Both sexes have the underside of a very uniform reddish-ochreous-a character which I have previously noticed in some of the females only. Genus ZERITIS, Boisd. 73. ZERITIS L E R O M A (Wallengr.). 5 . Arhopalal leroma, Wallengr. loc. cit. p. 42 (1857). 8 2 • Zeritis leroma, Trim. Trans. Ent. Soc. Lond. 1870, p. 375, pi. vi. f. 10 [ 6"]. Otiembora (November to December), Okavango River (December), Omaramba-Oamatako (January). 74. ZERITIS ARANDA (Wallengr.). 8 . Cggaritis aranda, Wallengr. loc. cit. 1857, p. 43. Omrora (August). Three male examples. On the underside the ground-colour in these specimens is duller and paler than usual, but the sub-metallic spots of the hind wiug are whiter and more shining. 75. ZERITIS MOLOMO, Trim. J. Zeritis molomo, Trim. Trans. Ent. Soc. Lond. 1870, p. 373, pi. vi. f. 9 ; and var. A ( 8 2), S.-Afr. Butt. ii. p. 206 (1887). Humbe (October), Okavango River (December), and Omaramba- Oamatako (January). Nine examples ; four males and five females. These specimens approximate more nearly to the var. A above referred to, but are decidedly smaller than usual. The males have the fore wings longer apically, and the anal angular projection and short tail of the hind wings longer; the orange ground-colour is brighter, the dark costal patcb is larger in both fore and hind wings, and the dark border of the fore wings is wider at the posterior angle. The females are nearer to the typical form than usual in having the liind-marginal border of the fore wings but slightly pierced by nervular projections of the ground-colour. 76. ZERITIS DAMARENSIS, n. sp. (Plate IX. fig. 17 8 •) 8 . Exp. al. 1 in. 4-5g lin. Closely allied to Z. molomo, Trim., but much larger. Orange-yellow paler and duller and in both wings restricted to discal area, the basal area being widely obscured with ochreous-fuscous. UNDERSIDE.-Costa of fore winy above costal nervure, and base and |