31From Thomas Jefferson to Caspar Wistar, 31 July 1807 (Jefferson Papers)
ThJefferson presents his friendly salutations to Doctr. Wistar, and according to the desire of M. Dupont de Nemours incloses for the Philosophical society a work of his. DLC : Papers of Thomas Jefferson.
32From Thomas Jefferson to Caspar Wistar, 19 December 1807 (Jefferson Papers)
I have never heard to what family you ascribed the Wild sheep, or fleecy goat, as Govr. Lewis called it, or the Poko-tragos, if it’s name must be Greek. he gave me a skin; but I know he carried a more perfect one, with the horns on, to mr Peale, & if I recollect well those horns, they, with the fleece, would induce one to suspect it to be the Lama, or at least a Lamae affinis. I will thank you...
33From Thomas Jefferson to Caspar Wistar, 24 March 1804 (Jefferson Papers)
I inclose for communication to the Philosophical society a paper from mr Dunbar of Natchez, on the subject of the Missisipi river which will be found a valuable addition to what we have already recieved from him relative to the lower country on it’s banks. At the request of mr Lewis also of Campbell county Virginia, I inclose a paper which was accompanied by the specimens it refers to. tho’...