On the phenomena of variation and geographical distribution as illustrated by the Papilionidæ of the Malayan region

by Alfred Russel Wallace

114. Papilio Eurypylus, Linnæus.

P. Eurypylus, L.; Cram. Pap. Ex. t. 122. f. C, D; Boisd. Sp. Gén. Lép. p. 233.

Hab. Amboyna (type), Ceram, Bouru, Batchian, New Guinea (Wall.).

Remark.—The male has the abdomen above and abdominal margin white; the female blackish.

115. Papilio Jason, Esper.

P. Jason, Esp. Ausl. Schmett. t. 58. f. 5; P. Jason, L.? P. Eurypylus, var., Boisd. Sp. Gén. Lép. p. 233.

Hab. Malacca, Sumatra, Borneo (♂, ♀) (Wall.).

Remarks.—This species is readily distinguished from P. Eurypylus by the abdomen above, and the abdominal margin, being black in both sexes, by the smaller size, more pointed upper wings, and by the lower wings having a narrower band and larger spots. of a deeper green colour. On the under surface the marginal lunules, the cell-spots, and sub-basal stripe are all larger.

Variety or dimorphic form a.—Evemon, Boisd. Sp. Gén. Lép. p. 234.

Hab. Malacca, Java, Sumatra, Borneo (♂, ♀). (Wall.)