Life Sciences

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

Alcoholic Fermentation Second Edition, 1914

New Species and Synonymy of American Cynipidæ

Essays Upon Heredity and Kindred Biological Problems

Explanation of Terms Used in Entomology

Mental Radio

Life's Dawn on Earth

The New Forest, Its History and its Scenery

Half Hours with the Lower Animals

Last Words on Evolution: A Popular Retrospect and Summary

The Pleistocene of North America and its vertebrated animals

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

Phrenology Examined

Searchlights on Health: The Science of Eugenics

Animals of the Past

Taboo and Genetics

Scientific Essays and Lectures

Dinosaurs, with Special Reference to the American Museum Collections

The British Woodlice

The Riddle of the Universe at the close of the nineteenth century