Bibliography
Girard, C. 1858. United States Exploring Expedition During the Years 1838, 1839, 1840, 1841, 1842, Under the Command of Charles Wilkes, U.S.N. Vol. 20 (Herpetology) [Philadelphia]: J. B. Lippincott.
Girard, C. 1858. United States Exploring Expedition During the Years 1838, 1839, 1840, 1841, 1842, Under the Command of Charles Wilkes, U.S.N. Vol. 20 (Herpetology) [Philadelphia]: J. B. Lippincott.
