| Description | Letter from Benjamin Smith Barton to John Mason Good, dated [Philadelphia, the 20th of February 1813], describing a new species of Proteus which was read at a meeting of the Linnean Society on the 2nd of November 1813.
With a monochrome watercolour, of a species of Proteus, and a reprinted letter from Benjamin Smith Barton, dated Philadelphia, the 19th of April 1807. |