Ecology

Desert to Jungle

Wildlife Conservation Efforts

Safari Hotspots

Summer Birds From the Yucatan Peninsula, Mexico

Natural History in Anecdote Illustrating the nature, habits, manners and customs of animals, birds, fishes, reptiles, etc., etc., etc

Indian Nature Myths

The music of the spheres : A nature lover's astronomy

Migration of Birds

British Butterflies

An Introduction to Nature-study

New Pacific Coast Cynipidæ (Hymenoptera)

The English Lakes

Notes on New Zealand

Into the Frozen South

Hertfordshire

Forest Trees of Illinois

Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas

Animals of no Importance

Cornell Nature-Study Leaflets

Shaggycoat