A Further Study of Variation in the Gopher-Snakes of Western North America: Description of a New Species of Rattlesnakes (Crotalus Lucasensis) from . Bottae Utahensis) from Utah. Description
The Garter Snakes of Western North America, Volume 8
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 Reptiles of Western North America: An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, . and Lower California, Issue 10, volume 2
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