Cytherea. / Acephala. – Muscheln. - Plate 59 from Kunstformen der Natur. This is one of the 100 pop science biology illustrations that were published from 1899 – 1904 in Leipzig by Ernst Haeckel through Verlag des Bibliographischen Instituts.
Ernst Haeckel Art Print Beautiful Colored Book Page PLATE 55 and 56 Beautiful Large Ocean Sea Shells in Black and White and Crab, Ocean Life and Nature