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Show 1891.] ON NEW BUTTERFLIES FROM EASTERN AFRICA. 633 C. Scales in 21 rows or more, more or less distinctly keeled. Scales in 21 (rarely 23) rows; nine or ten upper labials, fifth and sixth entering the eye 8. Z. ravergieri, Men. Scales in 23 or 25 rows ; nine or ten upper labials, fifth (rarely fifth and sixth) entering the eye 9. Z. nummifer, Reuss. Scales in 25 to 33 rows; ten to thirteen upper labials, none entering the eye 10. Z. diadema, Schleg. D. Scales in 41 to 43 rows, smooth; 14 or 15 upper labials, none entering the eye 11. Z. microlepis, Jan. Z. nummifer, Reuss (neglectus, Jan), should perhaps be regarded as a variety of Z. ravergieri, Men. (caudcelineatus, Gthr., fedtschenkoi, Strauch), rather than as a distinct species. In addition to the characters mentioned above, it differs in having the upper portion of the prseocular smaller and the anterior pair of temporals more enlarged. DlPSAS TRIGONATA, Schn. Another well-known Indian Snake to add to the fauna of Transcaspia. A fine specimen is in M. Eylandt's collection from Puli Hatun. 2. Descriptions of N e w Butterflies collected by Mr. F. J. Jackson, F.Z.S., in British East Africa, during his recent Expedition.-Part II.1 By E M I L Y M A R Y SHARPE. [Received October 30, 1891.] (Plate XLVIII.) Fam. NYMPHALIDI. Subfam. DANAIN^E. Genus AMAURIS. A M A U R I S J A C K S O N I , sp. n. (Plate XLVIII. fig. 2.) Intermediate between A. echeria, Stoll, and A. lobengula, E. M . Sharpe ; but is easily distinguished from both these species by the great difference in the markings of the hind wing. Fore wing. Dark brown or nearly black, relieved by white spots placed exactly in the same position as in A. lobengula, but all the spots are pure white instead of yellow. An oblong white spot in the middle of the discoidal cell; an ovate spot below the cell between the first and second median nervules, and a very small one near the posterior angle, between the submedian nervure and the first median nervule; this spot is the commencement of a row of four spots extending to the apex, the second spot being the smallest and placed between the first and second median nervules, the third one mst above, and the fourth spot between the first radial or discoidal > See P. Z. S. 1891, p. 187. |