999849 Diatomea, 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) Schachtellinge,Kieselalgen, Illustration, Tiere, Weichtiere, Quallen Pyrgodiscus armatus, Rutilaria monile, Auliscus elegans, Cocconema cistula, Campyloneis Greveillei, Asteromphalus imbricatus, Odontella aurita, Grovea pedalis, Biddulphia pulchella, Navicula bullata, Navicula didyma, Campylodiscus bicruciatus, Surirella pulcherrima, Licmophora flabellata, Triceratium Robertsianum, Gephyria constricta, Amphithetras elegans); 穢 Purix Verlag Volker Christen; German, out of copyright.