Science

Experiments and Observations on the Following Subjects

The Rise and Progress of Palaeontology

The Baculum in the Chipmunks of Western North America

Australasian Fossils: A Students' Manual of Palaeontology

The Coal Measures Amphibia of North America

Curiosities of Light and Sight

The Elements of Blowpipe Analysis

The Elements of Blowpipe Analysis

The Factors of Organic Evolution

Animal Life and Intelligence

The Asteroids; Or Minor Planets Between Mars and Jupiter

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 Ancestry of Modern Amphibia: A Review of the Evidence

Parallel Paths: A Study in Biology, Ethics, and Art

Fossil Butterflies

An Essay to Shew the Cause of Electricity

Circular Energy

The New Age of Space Exploration

Forest Bathing: How Forest Bathing Enhances Your Well-being (Forest Bathing for Recovery and Finding Calm, Creativity, and Connection in the Natural World)

Higher Psychology