Philadelphia: Printed for the American Philosophical Society, 1844. Octavo (23 cm) in original green printed wraps; 44 pp. In ink on front cover: "J. S. Da Costa Macedo, Lisbon." Light damp stain to lower inner corner of text, small creases at top outer corner, VG clean and unworn otherwise. Peter Stephen Du Ponceau (1760-1844), having emigrated from France to America as a young man of seventeen in 1777, served as secretary to Baron von Steuben with the Continental Army in the Revolutionary War, during which time he became acquainted with Alexander Hamilton, the Marquis de Lafayette, James Monroe, and other notables. After the war, he settled in Philadelphia, where he became a respected lawyer and a pioneering linguist and philologist especially noted for his study of the languages of Asia and the indigenous tribes of America. He joined the American Philosophical Society in 1791 and was its president from 1827 until his death. Includes a checklist of his publications. Macedo was Perpetual Secretary of the Royal Academy of Sciences of Lisbon. Note: light parcel, any default shipping may be reduced.