Science

Elements of Agricultural Chemistry

The Theory of Relativity and Its Influence on Scientific Thought

Auroræ: Their Characters and Spectra

Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioecetes)

The Social Direction of Evolution: An Outline of the Science of Eugenics

Stargazing: Past and Present

Barium: A Cause of the Loco-Weed Disease

Village Improvements and Farm Villages

The Nature of the Physical World

Evolution: An Investigation and a Critique

Lectures on Ventilation

The Ether of Space

Critiques and Addresses

Physiology and histology of the Cubomedusæ including Dr. F.S. Conant's notes on the physiology

On Digestive Proteolysis

The Perpetuation of Living Beings, Hereditary Transmission and Variation

Science Primers, Introductory

Degeneration: A Chapter in Darwinism

Degeneration: A Chapter in Darwinism

Problem of Increasing Human Energy, With Special References to the Harnessing of the Sun's Energy