Ecology

Essays Upon Heredity and Kindred Biological Problems

Arbor Day Leaves

The Flower-Fields of Alpine Switzerland: An Appreciation and a Plea

Nitrogen Bacteria and Legumes

Mammals of Northwestern South Dakota

Flashlights on Nature

Bombay Ducks

Colin Clout's Calendar: The Record of a Summer, April-October

Last Leaves from Dunk Island

Animal Life in Field and Garden

Field, Forest and Farm

The Climate Change Hoax: The Global Warming Deception

The Heart of England

Literary Pilgrimages of a Naturalist