Travels on the Amazon and Rio-Negro.

Palm-trees of the Amazon, and their Uses (out of print).

The Malay Archipelago.

Natural Selection and Tropical Nature.

The Geographical Distribution of Animals. 2 vols.

Island Life, or Insular Faunas and Floras.

Darwinism.

Australasia. 2 vols.

Bad Times—Causes of Depression of Trade (out of print).

Land Nationalisation, its Necessity and its Aims.

Vaccination a Delusion.

Miracles and Modern Spiritualism.

The Wonderful Century (New and Illustrated Edition).

The Wonderful Century Reader.

Studies Scientific and Social.