The Reptiles of Western North America (Volume 10); An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah,

The Reptiles of the Pacific Coast and Great Basin; An Account of the Species Known to Inhabit California, and Oregon, Washington, Idaho and Nevada

The Gigantic Land Tortoises of the Galapagos Archipelago (1914)

The Reptiles of Western North America; An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora and Lower California; Volume 10

A Further Study of Variation in the Gopher-Snakes of Western North America: Description of a New Species of Rattlesnakes (Crotalus Lucasensis) from Lower California. Description of a New Subspecies of Boa (Charina Bottae Utahensis) from Utah. Description