Free Preview of 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
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