Skull; tooth and fanciful illustration of a Dinotherium; shown as a kind of seal-like creature. Deinotherium; an extinct relative to the elephant. Lithograph by an unknown artist from Dr. F.A. Schmidt's 鈥楶etrefactenbuch;' published in Stuttgart; Germany; 1855 by Verlag von Krais & Hoffmann. Dr. Schmidt's 鈥楤ook of Petrification' introduced fossils and palaeontology to both the specialist and general reader.