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Show 1866.] ON FORMOSAN LEPIDOPTERA. 355 utrinque circa 25 a tuberculis orientibus; corpore subtus pedibusque nigris opacis. Long. 2\ lin. ADORIUM CHRYSOMELOIDES. Ovatum, fiavum, antennis pedibusque piceis, capite maculisque quatuor thoracis transverse ordinatis nigris ; elytris viridi-arneis dense punctatis. Long. 4 lin. Ovate, yellowish shining; middle of breast and abdomen darker, reddish; the abdomen with a row of black spots down each side; femora and base of antennae pitchy red; the rest of the antennae, tibiae, and tarsi darker and blackish. Head shining black, with a very few punctures in a depression between the eyes. Thorax glossy and very faintly punctured, with four large black spots arranged in a row across the middle, and having a smaller spot behind between the two middle ones. Scutellum glossy, dark red. Elytra ovate, not much wider than the thorax at the base; epipleurae narrow and plane, thickly but not coarsely punctured, shining dark brassy green. SEB/ETHE BALYI. Breviter ovata vel sub orbicular is, testacea, glabra ; elytris macula supra callum humeralem, altera prope scutellum alteraque majore subapicali nigris (macula scutellari interdum majore et per sutu-ram continuata, vel absente); antennis longitudine corporis, nigris, articulis duobus basalibus rufo-piceis; capite sulco transversali inter oculos; thorace impunctato, limbo laterali explanato -. margine reflexo, ad angulos anticos incrassato ; elytris subtilissime punctulatis. Long. 2-2| lin. •% The genus Sebarthe (subfam. Halticina*) was described by Mr. Baly in the 'Annals and Magazine of Natural History ' for December 1864. 6. List of Lepidopterous Insects collected at Takow, Formosa, by Mr. Robert Swinhoe. By A L F R E D R. W A L L A C E , F.Z.S., and F R E D E R I C M O O R E. This small collection comprises forty-six species of diurnal, and ninety-three of nocturnal Lepidoptera, and bears internal evidence of having been chiefly formed in a cultivated district. It cannot, therefore, be taken as furnishing any adequate idea of the productions of the island of Formosa in this order of insects. The large majority of the species are those which are widely spread over the Eastern Tropics, and they generally present no striking differences from specimens collected in India or the Malay islands. There are not wanting indications, however, that a rich harvest of these beautiful insects could be obtained in the forests of the interior; for the only two |