Keywords: Handbook to the Primates Plate 15.jpg Plate XV Red-footed Douroucouli or Night-Monkey Nyctipithecus rufipes 1894 Handbook to the Primates Vol I http //archive org/details/handbooktoprimat01forbiala Henry Ogg Forbes 1851-1932 Species Plates by John Gerrard Keulemans 1842 “1912 Synonymy from original work confirmed by http //www departments bucknell edu/biology/resources/msw3/browse asp id 12100314 Mammal Species of the World PD-old-auto-1923 1912 Handbook to the Primates Aotus vociferans |