Some account of the Siren lacertina, and other species of the same genus of amphibious animals : in a letter from Professor Barton, of Philadelphia, to Mr. John Gottlob Schneider, of Saxony
Philadephia, Jesper Harding, printer, 1821
1821
Biodiversity Heritage Library
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Public domain. The BHL considers that this work is no longer under copyright protection.