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Show 356 MR. H. DRUCE ON BORNEAN LEPIDOPTERA. [Mar. 18, Genus DERCAS, Boisd. 1. D. GOBRIAS, Hew. Tr. E. S. ser. 3. vol. ii. p. 246. n. 5, t. 16. f. 1 (1864). Borneo. Genus H E B O M O I A , Hiibn. 1. H. BORNEENSIS, Wall. Tr. E. S. ser. 3. vol. iv. p. 396. n. 2 (1867). Borneo. Genus IXIAS, Hiibn. 1. I. UNDATUS, Butl. P. Z. S. 1871, p. 252, pl. 19. f. 4. Borneo. Genus ORNITHOPTERA, Boisd. 1. O. MIRANDA, Butl. Lep. Ex. i. t. 1 (1869). Sarawak. 2. O. AMPHRYSUS, Cr. Pap. Ex. iii. t. 219. A (1782). Java. 3. O. FLAVICOLLIS, 11. Sp. Male. Upperside : similar to O. amphrysus, from Java, but differs in the following respects :-The anterior wing is more elongated, with the yellow markings at the end of the cell much smaller ; the posterior wing rather paler in colour, with the black scollops and the black border much narrower, lt is at once distinguished from all other species by its bright yellow collar. The neuration of the posterior wing differs slightly from O. amphrysus. Female. Anterior wing sooty black, with all the veins broadly bordered with dusky white ; the marginal series of black spots on the posterior wing are much broader than in amphrysus, almost reaching the discoidal cell; very like the posterior wing of O. miranda, Butl. I have examined 35 males and 7 females of this species, and they do not differ in any respect. Hab. Borneo. In coll. H. Druce and O. Salvin. Genus PAPILIO, Linn. 1. P. LAODOCUS, De Haan, Verh. Nat. Ges. Ned. overz. Bez. p. 42, t. 8. f. 5 (1840). Java. 2. P. MACAREUS, Godt. Enc. Mah. ix. p. 76. n. 144 (1819). 3. P. RAMACEUS, Westw. Tr. E. S. 1872, p. 95. Borneo. 4. P. KEROSA, Butl. Ent. Mo. Mag. vi. p. 55 (1869) ; Lep. Ex.i. t. 13. f. 2 (1870). Sarawak. |