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Show 146 MR. A. G. BUTLER ON THE GENUS TERACOLUS. [Jan. 18, black dot at end of cell; secondaries with small black spots terminating the veins, base blackish: primaries below with the costa rosy brownish; the apical area dull sandy ochraceous, irrorated with brown ; a black dot at end of cell; secondaries sandy with a rosy tinge, irrorated with brown ; a squamose subapical costal spot, and an ill-defined streak across the median branches, brown ; base of costa orange, a black-and-orange dot at end of cell. Expanse of wings 1 inch 2-5 lines. 2 . White or sulphur-yellow above, base grey ; primaries with the costa rosy, an internal grey streak, terminating at second third of wing in a transverse irregular blackish litura, which almost meets a spur from the apical area ; the latter black, deeply notched internally, enclosing an oblique series of spots, four or five in number, orange, yellow, or white; the inner edge of the apical border bounded with orange in the orange-spotted form, and with an orange tint in the yellow-spotted form : secondaries with the cell and basal half of the interno-median and first median interspaces grey ; a more or less defined angulated discal black streak thence to the costa ; a marginal series of tolerably large black spots. Primaries below white or pale yellow, the bases broadly sulphur-yellow ; apical area sandy or yellowish ochraceous, irrorated with brown and bounded by a pale orange or bright yellow nebulous streak enclosing a macular brown streak ; a bisinuate brown litura, cut by the first median branch ; a black dot at end of cell: secondaries as in the male, excepting that the subapical spot and discal streak are united into an angulated bar. Expanse of wings 1 inch 5-8 lines. N.E. of Natal (E. C. Buxton). Type, B.M. 66. TERACOLUS ITHONUS, n. sp. (Plate VI. fig. 7.) 3. Wings above white, blackish at base : primaries with a large triangular reddish-orange apical patch, not excavated, but notched internally, a few brown scales along its inner border ; apical portion of costa and outer margin to first median nervule black ; the marginal border dentate-sinuate, and throwing off long spurs along the nervures, but not completely separating the apical patch ; a minute black dot at end of cell: secondaries with a series of six black marginal dots. Primaries below white, the apical area lemon-yellow, irrorated with grey ; a black dot at end of cell: secondaries sandy whitish, strongly reticulated with brown ; a black dot at end of cell; base of costa orange. Expanse of wings 1 inch 9 lines. 2 . Very like the females of the preceding species, but with all the black portions of the wing much less pronounced, the grey internal streak of primaries pale and ending in a distinct dark spot (not in an irregular transverse litura) ; the apical spots larger; the undersides of secondaries more evidently brown-speckled. Expanse of wines 1 inch 5-8 lines. * & N.E. of Natal (4 examples, E. C. Buxton). Type, B.M. 67. TERACOLUS HARMONIDES, n. sp. 3 . Like a small example of the preceding species above, but the |