Ecology

The Land's End: A Naturalist's Impressions In West Cornwall, Illustrated

The Eagle's Nest

Our Common Insects

Bramble-Bees and Others

Essays of a Biologist

Gairloch in North-West Ross-Shire

Notes of a naturalist in South America

Out of Doors—California and Oregon

Nature's Serial Story

The Isles of Sunset

Antarctic Penguins: A Study of Their Social Habits

The Mammals of Warren Woods, Berrien County, Michigan

The Common Objects of the Country

The Twelve Months of the Year, with a Picture for each Month

Wild Life at the Land's End

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae

Yorkshire Dales and Fells

Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado

The Life of the Moselle

Lodges in the Wilderness