Leo the Lion (MGM) out, then the logo immediately shows a crocodile, to which Steve approves. MGM also used a secondary logo, seen in the opening and closing credits of many classic MGM movies. This design originated as the Metro-Goldwyn Pictures logo from 1923 to 1925. The logo features a graphic image of a reclining lion (from a side view) on a pedestal that has the text "A Metro-Goldwyn-Mayer Picture" inscribed on it. Behind the lion is a semi-circular film ribbon with the "Ars Gratia Artis" motto ("Art for art's sake"), much like the film ribboning of the company's primary logo. On either side
Artis Library library was able to stock its shelves. In 1881, librarian Gilles Janse compiled a catalogue of the Artis Bibliotheek’s collection holding 4,381 items. The Artis Bibliotheek grew to include more than 16,000 titles. From 1848 to 1995, the Zoological Society Natura Artis Magistra published the journal "Contributions to Zoology". All issues of this journal are now in the Artis Bibliotheek collection. Initially, Westerman kept many of the library’s items in his home; the collection, however, has been housed in its own building at the zoo since 1859. In 1868 the collection was moved to the building on the Plantage Middenlaan.