Letters from John Edward Grey of the British Museum to Philip Lutley Sclater regarding the key to the gardens of the Zoological Society of London, a paper on tortoises, specimens of a monkey and lemur to be exhibited at a meeting, the death of a gorilla, meetings of the Council, and reports of the Proceedings of the Zoological Society of London

Letter from Henry Lee to Philip Lutley Sclater regarding suggestions from the manager of Land and Water about a monkey

Letters from Wilhelm Carl Hartwig Peters of the Museum Regium Zoologicum, to Philip Lutley Sclater regarding Huxley's paper, a sketch of the plan of the monkey house, plates, specimens in his possession, and his memoirs

Minutes of the Nutrition Committee of the Zoological Society of London regarding demyelinisation, the diet of anthropods, Vitamin D deficiency in South American Monkeys and experimental groups of Raccoons

Correspondence with Dr Desmond Morris regarding talapoin monkeys, the Yearbook, an Editorial Advisory Board, a Symposium and a pregnancy test for an Orangutan called Toli

Papers relating to the legal case between Sir Garrad Tyrwhitt Drake and the father of a girl who had her finger bitten by a monkey at his Zoo

Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica

Letter from Richard Caton Woodville to Philip Lutley Sclater asking about a rare monkey from the Gold Coast

Letter from William Schwenck Gilbert to Peter Chalmers Mitchell regarding an offer of two monkeys to the Zoological Society of London

Report by G M Vevers on his visit to Carl Hagenbeck's Animal Park at Stellingen, with a drawing of Monkey Hill at Stellingen