The Russian Fur-seal Islands

Results of Ornithological Explorations in the Commander Islands and in Kamtschatka

The Poisonous Snakes of North America

The Mammals of the Adirondack Region, Northeastern New York

Laws of Temperature Control of the Geographic Distribution of Terrestrial Animals and Plants

The Fur Seals and Fur-seal Islands of the North Pacific Ocean: The history, condition, and needs of the herd of fur seals resorting to the Pribilof Islands

Review of the Grizzly and Big Brown Bears of North America (genus Ursus): With Description of a New Genus, Vetularctos, Issues 41-46

Contributions Toward a Monograph of the Noctuidæ of Boreal America: Revision of the Genus Cucullia; Revision of the Dicopinæ; Revision of Xylomiges and Morrisonia, Volume 15