3587746 An endangered Roloway Monkey sitting on the ground, looking upwards, while holding its tail, London Zoo, 1927 (b/w photo) by Bond, Frederick William (1887-1942); Zoological Society of London; (add.info.: The Roloway Monkey was considered a subspecies of the Diana Monkey until 2005, when it was reclassified as a separate species.); 穢 Zoological Society of London ; British, out of copyright.