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Show 352 MR.W. W A R R E N O N N E W GENERA A N D [Apr. 18, tooth at end of the last subcostal and median nervules ; half vertical; the lower very oblique: hind wings broad, strongly crenulate, with a deeper excavation between the last subcostal and last median nervules opposite the cell : palpi porrect, extending beyond face; antennae of 3 pectinated ; hind tibiae of 3 rather swollen, with 4 spurs. Type, C. chalybeata (Odontoptera), Moore. As the hind wings possess a distinct radial, this genus must be transferred to the Geometrinae. CHLORODONTOPERA 2ERUGINATA, sp. 11. 3 . Fore wings olive-green, with very indistinct markings, which consist of a rusty discal spot and 2 transverse lines, indicated by a curved series of whitish spots; the first curved at ^, the second sinuous, from f of the costa to § of the inner margin; the first is edged outwardly aud the second internally by a very faint rusty shade ; fringes dull rusty; hind wings the same; head, thorax, and abdomen all dull olive-green. Underside much brighter olive-green, tinged with rusty yellow; the 2 lines and the discal spot being rust-red, and the costa for ^ from the base broadly dull red; fringes brown-black. Expanse of wings 28 millim. Hab. Naga Hills. Much smaller than, and different of aspect from, the typical species, but structurally congeneric. [Four males, which agree perfectly, were taken by Doherty at 5000 to 7000 feet in the Naga Hills.-H. J. E.] GELASMA, gen. nov. Fore wing with the costa curved and short in proportion to the breadth of the wing ; apex distinct, but not aculeate; hind margin curved. Hind wings with blunt and short tooth, the hind margin on each side of it curved. Antennae of 3 with short pectinations, which only extend to | of the length of the shaft; hind tibia? thickened, with 4 short spurs. Type, G. thetydaria (Iodis), Guen. GELASMA CONCOLOR, sp. n. 2 . Fore wings dull grass-green ; the costa finely dark purple, minutely spotted with ochreous ; a fine dark line of the same tint along the base of the fringes, interrupted by a very minute pale dot at end of each vein ; a distinct and rather large black discal dot; the usual lines paler ; the first indistinct, denoted by pale dots on the veins ; the second, parallel to the hind margin, is represented by linear dark dots on the veins, tipped externally with white, the white spot on the inner margin being much larger and more conspicuous than the rest. Hind wings like fore wings; fringes of both wings concolorous. Head and thorax deep grass-green; abdomen above olive-green; antenna? and fillet distinctly pale |