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

by Alfred Russel Wallace

P. Neesius, Zink. Nov. Act. Acad. Nat. Cur. xv. t. 14. f. 1.

Hab. Java (♂, ♀) (Wall.), Penang (♂) (Brit. Mus.).

18. Papilio Noctis, Hewitson. Tab. V. fig. 1 (♂)[^[12]].

[12]. In all the Plates, the wings on one side of each figure are detached from the body, and represent the under surface of the same insect. In one case only (Tab. VII. f. 1.) the upper surfaces of two varieties of the same species are given.

P. Noctis, Hewits. Proc. Zool. Soc. 1859, p. 423, pl. 66. f. 5 (♀).

Male: differs from the same sex of P. Nox by the broader apex of the fore wings, and by the hind wings being more elongate, more glossy, and especially by the entire nondentated hinder margin.

Hab. Borneo (Sarawak) (Wall.), (♂, ♀ Mus. nost.)

19. Papilio Erebus, Wallace.

P. Nox, var., De Haan, Verh. Nat. Gesch. t. 5. f. 3 (♀).

Hab. Malacca (Wall.), Banjermassing, Borneo (De Haan).