1874-1900 [4], 1169 p., 173 figs, 121 (several col. and/or double paged) lithographed pls, contemporary hcalf. This is volume 1 on the anatomy, a much smaller volume 2 on the systematics was issued in 1906. All original printed covers bound in (at rear). End-papers somewhat foxed, but else quite clean. Extremities somewhat rubbed, but good tight copy of this rare part of ‘’Dr. H.G. Bronn’s Klassen und Ordnungen’’.