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Show 674 MR. H. H. DRUCE ON BORNEAN LYCENID^E. [June 16, out to be P. lucldus and Tajuria blanka to be its female, the insect must stand under the latter name, unless T. blanka is the female of the true P. clppus. But, I think, before we can arrive at a correct conclusion, we must await the arrival of more specimens. I note that the thorax beneath, in all the specimens I have seen of P. clppus and P. lucidus, is white. TAJURIA DONATANA, de Nicev. Kina Balu (Waterstr.); Banguey I. (Waterstr.). The specimen obtained on Banguey I. has the blue rather duller and its areas rather reduced. TAJURIA BERENIS, sp. n. (Plate XXXI. fig. 6, c?.) c? . Upperside bright pale blue, colour of Purlisa giganteus, Dist., paler on the disc of tbe fore wing: fore wing-costal margin black; apex broadly black, reaching to just below the lower median nervule, apparently blacker at the end of the cell; inner margin straight; cilia black, except at outer angle where it is greyish : hind wing-costal margin whitish, darker towards the apex, which is narrowly black; anal fold whitish ; a black anteciliary line ; cilia greyish; lobe with a black spot partially covered with blue scales and crowned with a small red spot. Underside grey, colour of T. thgla, de Nicev.1, indistinct lines closing the cells in both wings as in that species ; the ultra-median linear band much as in T. thyia, but much bowed outwards in the fore wing and straighter in the hind wing. The anal markings are arranged as in T. thyia, but the black spots are larger and the yellow areas darker in colour and more extensive; cilia grey. Head, thorax, and abdomen con-colorous with wings on both surfaces. Two tails of about equal length, black, bordered and tipped with white. Expanse li inch. Types Mus. Staud. & Druce. Kina Balu (Waterstr.). Dr. Staudinger has received two males of this species which are identical. Although I have compared it with T. thyia, it is not by any means closely allied to it. The outer margin of the hind wing in T. thyia is much straighter, and the wing is much more produced anally than in T. berenis. I thought at first sight that this species might come into Mr. de Niceville's genus Ops 2, as it appears to have a darker black spot at the end of the cell, but on a closer examination I cannot detect that these scales present a different aspect to any others on the wing. I have not seen any species of Ops at present. Below will be found described a beautiful new species of Tajuria from Java3. 1 Tajuria thyia, de Nicev. J. B. N. H. S. vol. vii. p. 336, pl. H. fig. 11 (1892). 2 Ops, de Nicev. id. vol. ix. p. 296 (1895). 3 TAJURIA DACIA, sp. n. (Plate X X X I . figs. 4 6*, 5 $>.) c?. Upperside rich shining ultramarine blue : fore wing-costal and outer margins and apex broadly deep black, much as in T. dimus, Hew.; cilia black, |