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Show 380 MR. W. WARREN ON N E W GENERA AND [Apr. 18, towards the hind margin; fringes yellowish. Head, thorax, and abdomen concolorous with fore wings. Underside of fore wings cinereous, with the 2 outermost series of spots and the costal portion of the exterior fascia white; hind wing glossy white, with the basal area fuscous, and 5 denticulated curved fasciae, of wdiich the 2nd and 4th are thickest. Expanse of wings 24 millim. Hab. Sikkim. [A common species along the Nepal frontier in July, from 10,000 to 12,000 feet.-27. J. E.] PERIZOMA INTERRUPTA, sp. n. (Plate XXX. fig. 18.) 2 . Fore wings fuscous with slight tawny shades ; the central fascia bounded on either side by a broadish pale fascia, each traversed by a dark line; the fascia itself traversed by two or three paler lines; basal patch traversed by a narrower pale fascia, also divided by a darker line; marginal area darker fuscous ; submarginal line composed of the usual series of white spots; marginal area interrupted below the middle by a subquadrate pale whitish blotch; the exterior fascia being likewise interrupted at the same place by a dull greyish-fuscous cloud; fringes fuscous, chequered with paler, with the basal line broad, black, interrupted by a small pale dot ou each vein. Hind wings whitish grey, with fringe and basal line as in fore wings. Head, thorax, and abdomen fuscous. Underside of fore wings cinereous, with the submarginal series of spots and costal end of exterior band whitish; hind wings whitish, with a dark discal spot, and 5 more or less distinct denticulated curved bands, of which the 2nd and 4th are thickest. Expanse of wings 28 millim. Hab. Sikkim. Near P. seriata, Moore, and of the same size. PERIZOMA (?) ALBIDIYISA, sp. n. 3 . Fore wings dull brownish ; basal patch bounded by a pair of very fine, parallel, white thread-like lines, curved a little below the costa, the outer of the two emitting a small tooth outw7ards in the cell and in the space between the median and submediau ; basal patch itself subdivided in the centre by a single fine thread-like line; central fascia thrice as broad on costa as on inner margin, its outer edge bluntly elbowed in the middle ; followed by a pair of fine white lines, the inner of which emits 2 teeth inwardly towards the corresponding teeth of the hne between the basal patch and central fascia; these two lines are followed immediately by a single, more irregular, whitish line; subterminal whitish, consisting of a series of small curves ; the four whitish lines forming an indistinctly expressed whitish patch below the centre of hind margin; space above and below this patch, between the subterminal and exterior lines, distinctly brown on costa and inner margin; fringe brown, preceded by indistinct series of dark spots. Hind wings cinereous fuscous, with markings visible only at anal |