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Show 1877.] ANDAMAN AND NICOBAR ISLANDS. 617 centred by a short streak. Underside as above; space within the cell and apex of fore wing slightly cupreous. Abdomen narrowly banded with black. Palpi and legs grey, tarsi banded with black. Antennae brown. Expanse lg inch. S. Andamans (Port Blair). In coll. British Museum. RHODONEURA TETRAONALIS, n. sp. (Plate LX. fig. 10.) Male and female, silvery white. Upperside of both wings with numerous delicate greyish-black strigae, crowded and slightly reticulated on the fore wing, and transversely and lineally disposed on the hind wing ; fore wing with a darker streak on a space free from Strigae near posterior angle, and a black dot at the apex. Abdomen with slight dorsal black bands. Underside as above, metallic, silvered below the costa, strigae darker, and streak on fore wing near posterior angle prominent; apical black spot large and centred with a white dot. Legs banded with black. Expanse | inch. S. Andamans (Port Blair). In coll. British Museum and F. Moore. Allied to R. puralis and R. bastialis, Walk. RHODONEURA MARMOREALIS, n. sp. Male. Silvery white. Upperside reticulated with delicate greyish-black strigae; costa of fore wing blackish, the edge dotted with white. Abdomen blackish-cinereous at tip, tuft brown. Underside reticulated as above ; costa cupreous-brown. Legs greyish white; tibiae streaked and tarsi banded with white. Expanse | inch. S. Andamans (Port Blair). In coll. British Museum and F. Moore. Fam. SPILOMELID^E. PHALANGIODES NEPTISALIS, Cram. Pap. Exot. iii. pl. 264. f. F; Guen. Delt. et Pyr. p. 279. S. Andamans (Port Blair). PYCNARMON OBINUSALIS (Astura ob.), Walk. Catal. Lep. B. M. xviii. p. 549. Nicobars (Kamorta), April, Meldola. PYCNARMON DISCINOTALIS, n. sp. Allied to P. (Zebronia) plutusalis, Walk. White: fore wing with four and hind wing with three dark-yellow transverse hands; the inner discal band on both wings bent towards the posterior angle; also a similar-coloured band on the outer margin, and dark band on cilia; a black spot within the cell. Expanse f inch. S. Andamans (Port Blair). In coll. British Museum. May be distinguished from P. plutusalis by both wings having an |