Science

The Story of Eclipses

The Ancestry of Modern Amphibia: A Review of the Evidence

Development of Gravity Pendulums in the 19th Century / Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966

The Kingdom of Man

The Biological Problem of To-day: Preformation Or Epigenesis

Ameboid movement

Evolution: Its nature, its evidence, and its relation to religious thought

Experiments and Observations on the Following Subjects

Animal Life and Intelligence

The British Woodlice

Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances

The Energy System of Matter: A Deduction from Terrestrial Energy Phenomena

Synthetic Tannins, Their Synthesis, Industrial Production and Application

The Pros and Cons of Vivisection

Regeneration

The Toxicity of Caffein: An experimental study on different species of animals

A System of Instruction in the Practical Use of the Blowpipe

Freedom in Science and Teaching. from the German of Ernst Haeckel

Time and Tide

Through Magic Glasses and Other Lectures