I. A Further Study of Variation in the Gopher-snakes of Western North America. II. Description of a New Species of Rattlesnake (Crotalus Lucasensis) from Lower California. III. Description of a New Subspecies of Boa (Charina Bottae Utahensis) from Utah. IV. Description of a New Lizard (Dipsosaurus Dorsalis Lucasensis) from Lower California
California Academy of Sciences, Morgan Hebard, John Van Denburgh, Samuel Stillman Berry, Charles Paul Alexander, Arthur Lester Lovett, C. E. Von Geldern, Millard C. Van Duzee
