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Show 1883.] MR. F. MOORE ON LIMNAINA AND EUPLCEINA. 221 costal vein long, extending to posterior angle of fore wing ; first and second subcostal veins long. Antennae short, slender, with a well-formed rounded club. Apical joint of palpi prominent. 1. GAMANA DAOS. Idea daos, Boisduval, Spec. Gen., Lep. i. pl. 24. f. 3 (1836), cf. Hestia eudora, Gray, Lep. Ins. Nepal, p. 10, pl. 9. f. 3 (1846), cf. Idea diardi, Voll. Tijd. voor Ent. iii. p. 44, pl. 2. f. 4 (I860), o* • Ideopsis daos, Moore, Catal. Lep. Mus. E.I. Co. i. p. 134 (1857) ; Distant, Rhopal. Malayana, p. 8, pl. i. f. 3, 4, cf 2 (1882). Hab. Malay peninsula (Province Wellesley, Malacca) ; Penang; Singapore ; Sumatra ; Borneo. 2. GAMANA COSTALIS, n. sp. Male. Smaller than Malayan specimens ; veins of both wings conspicuously narrower, not being black-bordered at their base. On the fore wing tbe costal border is blacker, being completely covered basally ; the discocellular spot and the submarginal and marginal spots are of half the size of those in Malayan specimens : hind wing with the discocellular, submarginal, and marginal spots also about half the size. Expanse, cf 3| inches. Hab. Nias Island, W . coast of Sumatra. In coll. British Museum. A Sumatran female in the British Museum, and another in my collection, which may possibly belong to this species, are both smaller and darker, and have tbe veins more broadly black-bordered than Malayan females of G. daos. Genus IDEOPSIS. Ideopsis, Horsf. & Moore, Catal. Lep. E.I. Co. i. p. 133 (1857). Banais, sect. 4, Doubleday, Gen. D. Lep. p. 90. Wings semidiaphanous : fore wing narrow, triangular; costa in male slightly arched ; first subcostal branch emitted at about one third before end of the cell and anastomosed to costal, second at some distance before end of the cell; upper discocellular bent inward near its lower end and producing a short discoidal spur within the cell from the angle, lower discocellular outwardly oblique ; first radial emitted from below the subcostal at some distance beyond end of the cell, second radial from near angle of the upper discocellular. Hind wing bluntly oval * costal margin long, nearly straight; abdominal margin long ; venation similar to Gamana. Antennae with a short, broad, flat, spatular club. Apical joint of palpi pointed. Type I. gaura. 1. IDEOPSIS GAURA. Idea gaura, Horsfield, Catal. Lep. E.I. Co. (1829), pl. 6. f. 1 : Boisd. Spec. Gen. Lep., i. pl. 11. f. 11 (1836). Hab. Java. |