Biology

The Biological Problem of To-day: Preformation Or Epigenesis

The Evolution of Man Scientifically Disproved in 50 Arguments

American Snakes

The Late Minoan III Necropolis of Armenoi

Future Humans

A Cultural History of Heredity

A New Human

Astronomical Curiosities: Facts and Fallacies

Auroræ: Their Characters and Spectra

History of biology

First Lessons in Natural Philosophy for Beginners

The Mechanism of Life

Scientific Method in Biology

The Wonders of Life: A Popular Study of Biological Philosophy

The Insect World

The Royal Observatory, Greenwich

Greek Biology & Greek Medicine

The Body at Work: A Treatise on the Principles of Physiology

Death embodied

American Addresses, with a Lecture on the Study of Biology