Science

Natural History of the Salamander, Aneides hardii

The Microscope

Degeneration: A Chapter in Darwinism

The Perpetuation of Living Beings, Hereditary Transmission and Variation

The Le Sage Theory of Gravitation

Facts and fancies in modern science

New Atlantis

The Le Sage Theory of Gravitation

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

The Pros and Cons of Vivisection

The Story of the Heavens

The Biological Problem of To-day: Preformation Or Epigenesis

Synthetic Tannins, Their Synthesis, Industrial Production and Application

Regeneration

The British Woodlice

The Kingdom of Man

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

Life's Dawn on Earth

Ameboid movement

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