999850 Ascidiae, 1899-1904 (colour litho) by German School, (19th century); Private Collection; (add.info.: ?Kunstformen der Natur? (Art Forms in Nature?, 1899-1904, published by Ernst Haeckel (1834-1919) Seescheiden, Illustration, Tiere, Weichtiere, Quallen Cynthia melocactus, Molgula tubulosa, Fragarium elegans, Polyclinum constellatum, Synoecum turgens, Botryllus polycyclus, Botryllus rubigo, Botryllus Marionis, Botryllus helleborus, Polycyclus cyaneus, Botrylloides pupureus); 穢 Purix Verlag Volker Christen; German, out of copyright.