Schmidt, Karl Patterson. 1890-1957.
Field book of snakes of the United States and Canada / Karl P. Schmidt and D. Dwight Davis. - New York : G. P. Putnam's Sons, c1941. - xiii, 365 p. : ill. ; 17 cm.
Includes bibliographical references and index.
41025180
Snakes--United States.
Snakes--Canada.
Reptiles--United States.
Reptiles--Canada.
QL651 / .S35
598.12
Field book of snakes of the United States and Canada / Karl P. Schmidt and D. Dwight Davis. - New York : G. P. Putnam's Sons, c1941. - xiii, 365 p. : ill. ; 17 cm.
Includes bibliographical references and index.
41025180
Snakes--United States.
Snakes--Canada.
Reptiles--United States.
Reptiles--Canada.
QL651 / .S35
598.12