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

by Alfred Russel Wallace

♂. Upper side: the outer half of the anterior wings of a fine cottony texture, as in P. Helenus, but more marked; the red lunule at the anal angle wanting; the rest as in P. Helenus.

Under side: the lunules and ocelli are ochre-yellow instead of deep red, the two outer ones very small, the third almost obsolete, and the next two absent; the anal ocellus is bordered with blue above, and adjoining it is a blue lunule in the place of the red one in P. Helenus.

♀. Upper side: of a browner colour; two orange-brown ocelli at the anal angle.

Under side: the lunules and ocelli all larger; the two intermediate ones entirely absent, as in the male.

Expanse of wings 5½–5¾ inches.

Hab. Macassar, Menado (Celebes) (Wall.).

58. Papilio Iswara, White.

P. Iswara, White, Entom. 1842, p. 280; Doub. and Hew. Gen. of Diurn. Lep. pl. 2. f. 1 (♀).

Hab. Penang, Malacca, Singapore, Borneo (♂, ♀) (Wall.).

59. Papilio Hystaspes, Felder.