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Show 402 MR. W. WARREN ON NEW GENERA AND [Apr. 18, hind tibia? longer, not thickened, with 2 pairs of short, stout, blunt spurs. Neuration:-Fore wings with ceil half the length of wing; discocellular oblique, the lower half more so than the upper; 1st median nervule at 4, 2nd just before lower angle of cell, 3rd from the angle ; lower radial from the middle, upper radial from near the top of the discocellular; 3rd, 4th, and 5th subcostals on a common stem from upper angle of cell; 5th leaving at 3, 3rd at §, 4th into apex; 1st and 2nd subcostals free. Hind wings with upper half of discocellular vertical, lower oblique; 1st median at f, 2nd at f, 3rd from lower end of cell, which is wedge-shaped; 2 subcostals branching just before the discocellular; costal and subcostal veins near the base, running for a short distance, closely approximate. Type, Prionodonta amethystina, sp. n. PRIONODONTA AMETHYSTINA, sp. n. (Plate XXXI. fig. 13.) 3 . Fore wings pale green and dull amethyst, with darker transverse flecks; basal patch dark brownish amethyst, its outer edge distinctly angulated in middle and edged with darker; the extreme base of the costa green ; central space pale green, broadening along the costa and inner margin, constricted in middle opposite the angle of the basal patch, containing between the veins sundry small, irregular, semitransparent whitish patches ; marginal area dull amethyst, edged internally by an irregularly dentate darker shade, which represents the 2nd line and curves outwards towards the anal angle, and containing a thick blackish oblique line from the anal angle to the greenish spot which occupies the apical region; all the veins, where they traverse the green spaces, deeper green. Hind wings similar, but with the central green space restricted and not reaching the inner margin ; fringes concolorous with the green and amethyst sections of the wing. Head, face, and collar greenish; thorax and abdomen mixed fuscous and amethyst; antenna?, anal tuft, tibiae, and tarsi ochreous, dotted with darker; femora and underside of abdomen mottled with fuscous and amethyst. Underside of wings the counterpart of upper. Expanse of wings 42 millim. Hab. Darjiling. [I took two males of this fine species at Darjiling in July.- H. J. E.~\ SPILOPERA, gen. nov. Fore wings ample, costa gradually curved from base to apex; apex bluntly rounded; hind margin with slight elbow above middle at end of 3rd submedian, vertically straight above, obliquely below. Hind wings with rounded hind margins, with a scarcely perceptible projection at end of 3rd median. Palpi porrect, upcurved, reaching well in front of face ; tongue present; antenna? laminated, thickened in. 3 ; hind tibiae of 3 not thickened, with two pairs of strong spurs. Type, Spilopera dehilis, Butler, |