Animals

Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi

Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis

Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition

The Moths of the British Isles, First Series Comprising the Families Sphingidæ to Noctuidæ

The Kangaroo Hunters; Or, Adventures in the Bush

The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ

The Outdoor Chums in the Big Woods; Or, Rival Hunters of Lumber Run

The Master of Game

Mammals of Mount Rainier National Park

Snakes

The Great Horse; or, The War Horse

Rataplan, a Rogue Elephant; and Other Stories

The Dolphin in History

The Study of Plant Life

Cactus Forest Drive, Saguaro National Monument

Wild Animals of the Rockies. With a List of Mammals found in Rocky Mountain National Park

The Geologic Story of Palo Duro Canyon

The Botanical Lore of the California Indians with Side Lights on Historical Incidents in California

Poisonous Snakes of Texas and First Aid Treatment of Their Bites

A Journey in Brazil