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Show 282 MR. A. G. BUTLER ON THE LEPIDOPTERA [May 5, there is no tawny spot on interno-median area, and that the central spot of secondaries is smaller and always more or less shot with purplish blue ; wings below similar to D. manilia, Cr., but the sub-marginal spots tinted with pale ochre. Expanse 4 inches 1 line. Navigators' Islands. Type, B.M. 47. DIADEMA PALLESCENS, n. sp. 3 2 • Diadema bolina, Butler (nee Linnaeus), Ann. & Mag. Nat. Hist. ser. 4, vol. v. p. 360 (1870); $ . Cruise of the Curacoa, p. 468, pi. 48. figs. 3,4(1873). Solomon Islands (Brenchley). Type, B.M. Hitherto the whole of the Diadema of the Bolina group have been looked upon as varieties of one species; but having gone carefully over them with Mr. Frederic Moore, I have come to the conclusion that there are several distinct and well-marked species. Our examples represent the following species :- 1. Diadema bolina, Linn. (Clerck's Icones). Silhet, Nepal, Moulmein, Ceylon. 3 $ . Coll. B.M. 2. Diadema jacintha, Drury,=D. avia, Fabr. N. India, Moulmein, Ceylon. 3 2 • Coll. B.M. 3. Diadema n. sp. ? 2 (? var- °f next SP-)- Borneo. Coll. B.M. 4. Diadema philippensis, Butler. Philippines. 3 2 • Coll. B.M. 5. Diadema, n. sp. India, E. India. 3,2- Coll. B.M. 6. Diadema, n. sp. ? Celebes. 3 • Coll. B.M. 7. Diadema alcmene, Cramer. Java, Australia. 3 2 • Coll. B.M. 8. Diadema nerina, Fabr., = D. auge, Cramer, = D. proserpina (var.). Java, Australia. 3 2 • Coll. B.M. 9. Diadema lisianassa, Cramer, = D. manilia, Cramer. Ceram. 3 $ • Coll. B.M. 10. Diadema pulchra, Butler. New Caledonia. $ . Coll. B.M. 11. Diadema pallescens, Butler. Solomon Islands. $ . Coll. B.M. 12. Diadema montrouzieri, Butler. Navigators' Islands. 3 2 • Coll. B.M. 13. Diadema, n. sp. ? Tasmania. <$ $ . Coll. B.M. This last species approaches D. diomea of Hewitson in character. |