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Show 1891.] FROM SOUTH-WESTERN AFRICA. 99 has no dusky stripe along the inner margin of the fore wings, but a male taken in Mashuna-land by Mr. F. C. Selous has a faint marking, representing the extremity of such a stripe, beyond the middle. 97. TERACOLUS ANTIGONE (Boisd.). cf. Anthocharis antigone, Boisd. op. cit. p. 572. n. 19 (1836). Ehanda (September). One male example. This specimen has all the blackish markings faint and reduced ; the inner-marginal stripe of the fore wings is represented only by a very indistinct spot beyond the middle. 98. TERACOLUS PHLEGETONIA (Boisd.). cf. Anthocharis phlegetonia, Boisd. op. cit. p. 576. n. 25 (1836). Omaramba-Oamatako (January). Seven examples ; three males and four females. A good deal of variation in size is shown by these males ; the smallest has the inner-marginal black stripe of the fore wings relatively much reduced. In the females the spots in the apical patch of the fore wings vary in tint from dull reddish to dull yellowish grey. 99. TERACOLUS THEOGONE (Boisd.). 8 2 • Anthocharis theogone, Boisd. op. cit. p. 575. n. 23 (18 36). Ehanda (August-September) and Humbe (October). Two male examples. There is no trace in either of these specimens of any longitudinal blackish markings on the upperside. Genus CALLIDRYAS, Boisd. 100. C A L L I D R Y A S F L O R E L L A (Fabr.). 2 . Papilio florella, Fabr. Syst. Ent. p. 479. n. 159 (1775). Ehanda (September), Omrora (November), Otiembora (November- December), and Okavango River (December). Six male examples. Mr. H. L. Feltham's observation l, that the males of this butterfly that appear early in the season are all less distinctly freckled and hatched on the underside than those of the midsummer and autumnal brood, was borne out bv specimens which he sent to me, and receives further confirmation from Mr. Eriksson's examples. I noted that Mr. Feltham's specimens (from Griqualand West) presented the further peculiarities of smaller size (exp. al. 2 in. 2|-6 lin.) and a yellower tint on the underside ; and all three distinctive characters are presented by Mr. Eriksson's Ehanda male. The Omrora example (November) is also but faintly marked on the underside ; the one from Otiembora is larger and more distinctly marked ; and the two taken on the Okavango River in December are full-sized and strongly marked beneath. 1 See m y ' South-African Butterflies,' iii. p. 187, footnote. 7* |