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Show 1884.] BUTTERFLIES OF THE GENUS TERACOLUS. 441 in the male, the yellow on the fore wings suffusing the wing and the entire surface of the hind wings deepened to saffron-colour. Expanse of wings, 8 l-r4o> 2 lg inch. In coll. B. M. 14. TERACOLUS YERBURII, n. sp. (Plate XXXIX. 8, fig- 12.) Haithalkim near Aden, March 1883. 8- Near T. daira, Klug. Is, however, quite distinct, differing from both the plates and the description in having the base of all the wings deeply irrorated with black-brown, which extends in the form of a deep band along the inner margin of the fore wings to the black spot on the interno-median interspace. In the hind wings by having a large black-brown spot on the costa corresponding to the spot on the fore wings, which also forms a limit to the basal irrorations, the irrorations on this wing covering the entire basal third. Expanse of wings, 1T^ to 1T 4 0- inch. In coll. C. Swinhoe. Group 8a. Type Teracolus liagore, Klug. 15. TERACOLUS SAXEUS, n. sp. (Plate XL. 8 2> figs« 1 & 2.) Haithalkim, near Aden, March 1883. Near T. liagore, Klug. 8. Differs above in having the base powdered with black-brown, in having a smaller apical patch, and in having the outer black-brown border thicker and dentated, and with the lines running halfway through the patch on the veins. Below it differs in having a black spot on an orange ground at the end of the discoidal cell in the hind wings, and the inner half of the costa of the same colour ; whereas in T. liagore, both in Klug's plate and in the only specimen in the British Museum, the hind wing below is immaculate. 2 - Has the apex of the fore wings more rounded ; otherwise above and below it is similar to the male, but with all the colours paler. Expanse of wings, 8 2 ijV to ^O* inch* In coll. C. Swinhoe. Klug's plate of the female of T. liagore is undoubtedly a mistake the insect therein represented does not belong| to this group at all, but is a male of the T. daira group. 16. TERACOLUS ODYSSEUS, n. sp. (Plate XL. 8, f- 3.) White Nile (Petherick). Allied to T. glycera, Butler. o". Without the deep band on the inner margin of fore wings, with the black outer border of the apical patch deeper, and with an inner band interrupted above the middle; and in the hind wing in having the black macular border less pronounced. 5 . Much resembles a faded female of T. glycera ; the apical |