Male. Above, glossy black, upper wings immaculate (the veins pale-margined in the female). Lower wings with a rounded white spot divided into six parts by fine nervures, of which the outermost and that in the cell are sometimes reduced to points; marginal row of red spots obscured with black, and but faintly indicated.
Beneath, the white patch has a small red spot attached to the part next the anal angle; and the marginal row of six red spots are clearly marked, that at the anal angle being twice the size of the rest. Wings short, much rounded, scarcely or not at all produced in the caudal region.
Expanse of wings 3¾ in. to 4 in.
Hab. New Guinea, Mysol (♂, ♀) (Wall.), Rockingham Bay (Australia), (Brit. Mus., ♀).
26. Papilio Diphilus, Esper.
P. Diphilus, Esp. Ausl. Schmett. t. 40. f. 1. P. Polydorus, Boisd. Sp. Gén. Lép. p. 267; and most authors.
Hab. Java, Malacca (Wall.), Philippine Islands, India.
Remarks.—The specimens from Manilla are larger, and the females paler-coloured, than those from other localities, all of which have slight characteristic peculiarities; but they also vary in the individuals from each locality, so that no perfect segregation of local forms has yet taken place.
27. Papilio Antiphus, Fabricius.
P. Antiphus, Fab. Syst. Ent. iii. 1. pp. 10–28; Boisd. Sp. Gén. Lép. p. 266.