1865 (4th ed. edited by J.J. von Tschudi) 2 vols. xxii, 694, xvii, 730 p., num. figs, 22 (2 folded) pls, lithographed half-title, contemporary hcalf (worn, volume 2 with upper end of spine missing). One folded plate (= map) damaged and repaired. Outer edges waterstained at places (not or hardly affecting the text or plates).