Venomous reptiles of the United States, Canada, and northern Mexico /
Ernst, Carl H.
Ernst, Evelyn M.
Baltimore, Md. : Johns Hopkins University Press,
2011-2012.
Includes bibliographical references and index.
v. 1. Heloderma, Micruroides, Micrurus, Pelamis, Agkistrodon, Sistrurus -- v. 2. Crotalus
Poisonous snakes
Heloderma