Ecosystems & Habitats

White Mountain Trails

The Heart that Knows

The Ocean World: Being a Description of the Sea and Its Living Inhabitants

Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems

Submerged forests

The Challenge of the North

By the Marshes of Minas

Polar Exploration

Natural History: Mollusca

Stars of the Desert

Devils Tower National Monument

Masters of the Wilderness

Tales of a Vanishing River

Two Ways of Becoming a Hunter

New Rivers of the North: The Yarn of Two Amateur Explorers

Forest Scenes in Norway and Sweden: Being Extracts from the Journal of a Fisherman

Camp-Lore and Woodcraft

The Italian Alp-bee

Our Western Hills: How to reach them; And the Views from their Summits

My First Summer in the Sierra (With Original Drawings & Photographs)