Keywords: Handbook to the Primates Fig 8.png Map of part of the basin of the Amazons to show the distribution of the Uakarí Monkeys Vertical supposed area of Brachyurus melanocephalus; horizontal of B calvus; hatched of B rubicundus rubicundus is now regarded as a sub-species of calvus Ed 1894 Handbook to the Primates Vol I http //archive org/details/handbooktoprimat01forbiala Henry Ogg Forbes 1851-1932 PD-old-auto-1923 1932 Handbook to the Primates Cacajao melanocephalus Cacajao calvus Primates distribution maps |