Bibliography
Gray, J. E. 1850. Catalogue of the Specimens of Amphibia in the Collection of the British Museum. Part II. Batrachia Gradientia, etc. Printed by Order of the Trustees [London]: Spottiswoodes and Shaw.
Gray, J. E. 1850. Catalogue of the Specimens of Amphibia in the Collection of the British Museum. Part II. Batrachia Gradientia, etc. Printed by Order of the Trustees [London]: Spottiswoodes and Shaw.
