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Show 1878.] INSECTS FROM UPPER TENASSERIM. 843 the lower discal portion broad: hind wing with an indistinct series marginal and submarginal brown spots. Front of head, palpi, legs, and body beneath yellow. Expanse 1-^ inch. Hatsiega. In coll. J. Wood-Mason. PAMPHILA MATHIAS. Hesperia mathias, Fabr. Ent. Syst. Suppl. p. 433 (1798) ; Butler, Catal. Fabr. Lep. B. M . pl. 3. f. 6. Moulmein to Meetan. HESPERIA MOOLATA, n. sp. Male and Female. Upperside dark vinous-brown, slightly olive, brown at the base ; cilia cinereous-yellow : fore wing with a single small semidiaphanous white spot at lower end of the cell, two smaller spots obliquely before the apex, and three below on the disk, the lowest being the largest and angular ; the female with two spots at end of the cell, and a small opaque yellowish spot between lower median branch and submedian vein. Underside brighter-coloured, marked as above, the yellow discal lower spot in female larger. Expanse 1| inch. Ahsown (2000 feet), March. Moolai to Moolat. This species is allied to H. kumara, Moore, from South India, and to H. cahira from the Andamans. PLESIONEURA AURIVITTATA, n. sp. (Plate LIII. fig. 2.) Male and Female. Upperside dark golden olive-brown : fore wing with a broad oblique golden-yellow discal band curving from middle of the costa to posterior angle, the band semiopaque from the costal vein to lower median branch ; a small curved yellow streak composed of three vein-crossed spots before the apex. Cilia of both wings brown. Underside duller brown: fore wing as above : hind wing slightly yellow-speckled, and with a very indistinct yellowish streak at the end of the cell. Expanse 1T 7 0 inch. Hab. Above Ahsown. In coll. J. Wood-Mason and F. Moore. Allied to P. dhanada, Moore, P. Z. S. 1865, p. 789. Distinguished by the oblique transverse band being very broad throughout and extending to the posterior angle, also in the cilia of hind wing being entirely brown. PLESIONEURA ALBIFASCIA, n. sp. (Plate LIII. fig. 3.) Male. Differs from P. alysos, Moore, in its narrower fore wing and smaller hind wing; the oblique semidiaphanous white band is shorter and straight, the portion beneath the lower median branch being very small, this part on the underside showing only as a suffused white patch; and there are no subapical spots. Expanse l| inch. Hatsiega. In coll. J. Wood-Mason. A specimen of this species, collected by Mr. Buxton, probably in Sumatra, is in my own collection. |