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New ed. originally published, London: Macmillan, 1891.
Originally published, London: Macmillan, 1870.
Originally published, London, 1878.
Contents: Contributions to the theory of natural selection. Originally published, London: Macmillan, 1870. - Tropical nature and other essays. Originally published, London, 1878.
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Natural selection; and, Tropical nature : essays on descriptive and theoretical biology by Alfred Russel Wallace. ISBN 0576299464. Published by Gregg in 1969. Publication and catalogue information, links to buy online and reader comments.