A memoir concerning the fascinating faculty which has been ascribed to the rattle-snake, and other American serpents [electronic resource] / By Benjamin Smith Barton, M.D. Correspondent-member of the Society of the Antiquaries of Scotland, member of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, fellow of the American Academy of Arts and Sciences, corresponding member of the Massachusetts Historical Society: and professor of natural history and botany, in the University of Pennsylvania