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Show 1876.] MR. A. G. BUTLER ON THE GENUS TERACOLUS. 133 Peters, Reise n. Mossamb. Zool. v. p. 353, pl. 23. figs. 1, 2 (1862). V P & Mozambique. 4. Wings of male above uniformly sulphur-yellow, with the apex primaries and a spot at end of cell black; secondaries below yellow, with an interrupted oblique black streak: female pale sulphur-yellow, almost white, with the outer margins broadly black; a black discocellular spot in primaries; secondaries below lemon-yellow, with an angulated black streak. 23. TERACOLUS MANANHARI. Pieris mananhari, Ward, Ent. Mo. Mag. vi. p. 224 (1870); Afr. Lep. pl. ii. figs. 1-4 (1873). Teracolus mananhari, Kirby, Syn. Cat. p. 500. n. 2 (1871). Madagascar. This extraordinary species is clearly related to the T. ione group, but it is very dissimilar from all the species in the genus. 5. Winys white, more or less clouded with orange ; primaries of the males with greg apical border and black veins. 5 a. Wings of male grey at base ; orange area restricted and pale. 24. TERACOLUS HALIMEDE. Pontia halimede, Klug, Symb. Phys. pl. 7. figs. 12-15 (1829). Pieris halimede, Boisduval, Sp. Gen. Le'p. i. p. 526. n. 129 (1836). ldmais halimede, Kirby, Syn. Cat. p. 499. n. 13 (1871). Anthocharis leo, Butler, Ann. Nat. Hist. ser. 3, vol. xvi. p. 397 (18G5). White Nile (Petherick). B.M 5 b. Wings of male almost entirely covered with deep orange. 25. TERACOLUS PLEIONE. Pontia pleione, Klug, Symb. Phys. pl. 8. figs. 7, 8 (1829). Terias pleione, Boisduval, Sp. Gen. Lep. i. p. 672. n. 33 (1836) ldmais pleione, Kirby, Syn. Cat. p. 499. n. 14 (1871). ldmais miriam, Felder, Reise der Nov. Lep. ser. 2, p. 190. n. 186 pl. 27. figs. 3, 4 (1865). Teracolus chrysomela, Butler, Cist. Ent. p. 244 (1874). White Nile (Petherick). B.M. This species is much deeper in colour than Klug represents it to be in his figure ; its affinities seem about equally balanced between the two groups, of which T. fausta and T. eupompe may be considered as typical, the male nearly resembling the former, the female more closely approaching the latter. The succeeding six species, constituting my Section 6, might perhaps be separated generically from Teracolus, inasmuch as the males have an embossed spot on the internal area of primaries near |