This is a very distinct species, though at first sight resembling several others. I obtained a single male specimen only.

14. Ornithoptera Haliphron, Boisduval.

O. Haliphron, Bd. Sp. Gén. Lép. p. 181 (♂); Felder, Lep. Fragm. p. 37, Taf. ii. f. 2, 3 (♂, ♀).

Hab. Macassar (Celebes) (Wall.).

15. Ornithoptera Amphrisius, Cramer.

P. Amphrisius, Cr. Pap. Ex. t. 219. f. A; Godardt, Enc. Méth. ix. p. 27, pt.

O. Amphrisius, Bd. Sp. Gén. Lép. p. 178.

Hab. Malacca, Java, Borneo (Wall.).

This may be readily distinguished from the allied species by the upper wings in the male being yellow-marked, and by the absence of red spots at the base of the wings beneath in both sexes.

c. Brookeana group.