999773 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, Illustration, Tiere, Weichtiere, Quallen Triceratium digitale, Navicula lyra, Navicula excavata, Triceratium mirificum, Triceratium pentacrinus, Actinoptychus constellatus, Aulacondiscus mammosus, Navicula Wrightii, Auliscus crucifer, Biddulphia pulchella, Auliscus craterifer, Auliscus mirabilis, Aulacodiscus Grevilleanus, Surirella Macraeana, Denticella regia, Asterolampra eximia, Actinoptychus heliopelta, Plagiogramma barbadense, Pinnularia M羹lleri, Biddulphia granulata, Triceratium moronense); 穢 Purix Verlag Volker Christen; German, out of copyright.