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Show 64 MR. R. TRIMEN ON BUTTERFLIES FROM [Jan. 16, In my S.-Afr. Butt. iii. p. 42, I noted the apparent absence of any female examples linking the var. fiavida, Mab., with the tvpical female; but I have since then received two intermediate gradations from Durban, Natal. In the first of these, taken by Mr. C. W . Morrison on the 16th May, 1890, the ground-colour is tinged with lemon-yellow, the hind-marginal border of the hind wings is very little broader than in the variety, but the basal blackish in the fore wings, instead of being merely a narrow costal border, fills all the discoidal cell except its lower edge, where it becomes a sparse irroration only. In the second, taken by Mr. A. D. Miller, there is more approach to the typical female, the hind-marginal border of the hind wings being broader, and the basal black in the fore wings filling the cell, but not extending below it except in a very faint and narrow irroration at the base, while the only tinge of yellow on the white area is at the base of the hind wings. 118. PIERIS ALBA (Wallengr.). 3. Pinacopteryx alba, Wallengr. Sv. Vet.-Akad. Handl. 1857- Lep. Ehop. Caffr. p. 10. n. 7. 3 2 • P^ris alba, Trim. S.-Afr. Butt. iii. p. 48. n. 253 (1889). A male and a female very much worn, taken at Sarmento, on the Pungwe Fiver, on the 18th September, are apparently referable to this species. 119. PIERIS SIMANA, Hopff. 3 2 • Pieris simana, Hopff. Monatsb. Akad. Wissensch. Berl. 1855, p. 640. n. 13 ; and Peters's Eeise n. Mossamb., Ins. p. 354, t, xxiii. figs. 3, 4 (1862). The only specimen, a female taken at Christinas Pass, has the fuscous apical border in the fore wings widened so as to include the subapical costal streak, and the fuscous hind-marginal spots in the hind wings also larger than usual. 120. PIERIS SEVERINA (Cram.). 2 • Papilio severina, Cram. Pap. Exot. iv. pi. 338. figs. G, (1782). Fourteen specimens, 4 males, 10 females ; twelve from Christinas Pass, where the paired sexes wrere captured on 26th February. Though varying a good deal in depth of markings, all these examples belong to the larger form with more brightly-tinted underside, which I have shown (S.-Afr. Butt. iii. p. 72 & note) to be in Natal characteristic of the summer or wet season. Genus HERPVENIA, Butl. 121. HERPVENIA ERIPHIA ( Godt.). Pieris eriphia, Godt. Encycl. Meth. ix. p. 157. n. 134(1819). The only example is a fine male, captured in Mineni Valley on |