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Show 1880.] MR. A. G. BUTLER ON INDIAN BUTTERFLIES. 147 and consequently considers that it is nearly allied to the Euphonies. It is to be hoped that we shall know ere long which of these statements is correct. It would be also highly desirable to ascertain the structure of the stomach in the other genera placed near to Euphonia, particularly that of the genus Procnias. I propose on some future occasion to publish a supplementary list describing the condition of the stomach in any other forms that I may have an opportunity of examining. 2. On new and little-known Butterflies from India. By A R T H U R Gr. B U T L E R , F.L.S., F.Z.S., &c. [Received February 17, 1880.] (Plate XV.) The following species were collected by Dr. Watt, Professor Botany in the Calcutta University ; some of them I enumerate for the sake of the notes on habits and date of appearance which accompany them, and others because they prove to be new to science. NYMPHALID,E. SATYRIN^E, Bates. 1. AULOCERA BRAHMINUS. Satyrus brahminus, Blanchard, Jacquem. Voy. dans l'lnde, iv. Ins. p. 22. n. 18, pl. 2. fig. 4, J. Aulocera werang, Lang, Ent. Month. Mag. iv. p. 247 (1868). Ravee Basin, up to 6000 feet. Mr. Moore kindly pointed out to me that the sexes figured by Blanchard are referable to distinct species, the male being the A. werang of Lang. 2. HlPPARCHIA DIFFUSA, n. Sp. 2 • Closely allied to H. semele, from which it principally differs in the obscured and diffused character of the ochraceous patches enclosing the ocelli on the upper surface of the primaries ; on the under surface the white belt is well marked, more so than in any specimens of H. semele which I have seen. Expanse of wings 2 inches I line. Ravee Basin. 3. EREBIA KALINDA. Erebia kalinda, Moore, Proc. Zool. Soc. 1865, p. 501. n. 92, pl. 30. fig. 5. In pine-forests, Ravee Basin, up to 12,000 feet. 4. CALLEREBIA HYBRIDA. Dr. Watt obtained a series of a Callerebia exhibiting intermediate forms between C. annada and C. nirmala. In the coloration of the |