This original antique print shows the Lion-tailed macaque, Macaca silenus endangered 1, greater spot-nosed monkey, Cercopithecus nictitans 2, red-shanked douc, Pygathrix nemaeus endangered 3, white-faced saki, Pithecia pithecia 4, and roloway monkey, Cercopithecus roloway endangered 5. Originates from Bertuch's 'Bilderbuch für Kinder'. In 1790 Friedrich Justin Bertuch started his biggest book-project ever. Issued in 12 volumes it containes short articles written at a child's level of understanding to 'spread the knowledge of the epochs out before children'.