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Show 852 MR. A. G. B U T L E R O N BUTTERFLIES F R O M JAPAN. [Nov. 15j but we have what I take to he the species in the Museum : our has a very unusually prominent submarginal series of broad dusky lunules on the under surface. LYCENA IBURIENSIS, Butler. Allied to L. argus, but more nearly of the size and colour above of L. lycaumas. Pale silvery blue with brown veins and broad smoky-brown external borders ; fringe very narrow and snow-white ; secondaries with broad brown costal area; body above rather darker than the wings : under surface chalky bluish white ; the base, especially in the secondaries, suffused with pale bluish green ; black spots arranged as in L. argus, but large and intensely black; the orange lunules wanting in the marginal ocelloid spots of the primaries, paler in those of the secondaries; no metallic pupils to the black spots of the secondaries ; pectus bluish. Expanse of wings 1 inch 5 lines. Iburi, Hokkaido ; July. Coll. M. Fenton. A very distinct and pretty species. THECLA IBARA, Butler. 5 . Upper surface similar to T. mera, sericeous fuliginous brown: primaries with broad diffused blackish external area and costal border ; fringes snow-white, spotted with black at the extremities of the veins : head olivaceous varied with snow-white. Under surface of wings golden stramineous; a discal series of black-edged orange lunate spots followed by a series of oval pearl-white spots from the upper radial of primaries to the second median branch of secondaries, the third and fourth of the primaries bounded externally by a few black scales, the fifth (or last) on the primaries bounded by a large black spot, the orange lunule also almost wholly covered by its black border; the fifth and last of secondaries bounded by a small black spot; a broad orange patch, in continuation of the discal spots, at anal angle, its inner edge bounded by two slender black liturse ; a large submarginal black spot on the inner half of the orange patch, which is bounded by the first median interspace and two black marginal spots in the angles of the outer half, upon interno-median interspace; these two spots are connected by a silvery-blue line; all the wings with a black marginal line ; fringe snow-white, spotted with black. Body below snow-white \ legs banded with black. Expanse of wings 1 inch 9 lines. Ibara pass, Dewa, second week of July. Coll. M . Fenton. This on the under surface is one of the most beautiful of the true Thecla. THECLA ORSEDICE, Butler. 2 • Upper surface much like the females of Iolaus pseudolonginus and Pithecops intensa. Primaries pale bluish grey, or greyish white, with very broad black-brown apical area and external border ; median branches brackish; costal border pale bronzy brown, faintly shot with violet; fringe tipped with white : secondaries fuliginous brown with the abdominal area and discoidal cell washed with pale ash-grey • |