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

by Alfred Russel Wallace

Transcriber’s Note:

New original cover art included with this eBook is granted to the public domain.

[From the Transactions of the Linnean Society, vol. xxv.]

I. On the Phenomena of Variation and Geographical Distribution as illustrated by the Papilionidæ of the Malayan Region. By Alfred R. Wallace, Esq.