OF THE AMERICAN PHILOSOPHICAL SOCIETY, HELD AT PHILADELPHIA, FOR PROMOTING USEFUL KNOWLEDGE. VOL. IV. JUNE, 1843, TO DECEMBER, 1847. PHILADELPHIA: By John C. Clark, 60 Dock Street. General Exch. Society NOTICE. Devises and Legacies to the Society should be made in its corporate title—“The American Philosophical Society, held at Philadelphia, for Promoting Useful Knowledge." Donations intended for the Society, should be addressed to "The American Philosophical Society; care of the Librarian, Philadelphia." If left with any of the following named persons, who have kindly offered their services on behalf of the Society, they will be promptly forwarded: LONDON. William Vaughan, Esq., Fenchurch Street. PARIS. Hector Bossange, Esq., Bookseller, Quai Voltaire. |