A set of three original antique lithographs from Ernst Haeckel’s Kunstformen der Natur c.1899-1904. Included are fine examples of Haeckel’s intricately illustrated marine planktons; Phaeodarias, cyrtoidea, and thalamphora. Archivally framed with acid-free 8-ply matting and UV protective glazing. Each piece measures 8 by 12 inches, with frames measuring 14 ½ by 18 ¼ inches.