EXPLORATIONS UNDER THE WAR DEPARTMENT. DESCRIPTIONS OF NEW SPECIES AND GENERA OF FOSSILS, collected by Dr. F. V. Hayden in Nebraska Territory.
Philadelphia, [PA]: Merrihew & Thompson, Printers, Lodge Street, North side of Pennsylvania Bank, 1857. First edition. Disbound. 8vo. 34pp., illustrated with charts. Inscribed to Prof. George H. [Cook?] with the respects of [the] author (right margin slightly trimmed taking part of the inscription). Printed subtitle laid down at the head..... More