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 Hugh Cuming to Edward Turner Bennett, apologising for being unable to meet him with a portion of his shells
Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them
Letters from Sir George Clerk to David William Mitchell regarding the Chancellor of the Exchequer and the purchase of a museum collection of the Zoological Society of London
Letter from Sir Charles Wood, 1st Viscount Halifax, regarding the museum collection of the Zoological Society of London
Notes and memos including a Report of the Council and Report of the Auditors of the Zoological Society of London read at the Anniversary Meeting, a meeting of naturalists at the British Museum, extracts from letters to Mr Owen, and Edward Turner Bennett's account of Macropus Parryi
Letter from Philip Hermogenes Calderon to Philip Lutley Sclater requesting a card permitting his son, William Francis Calderon, to sketch lions and leopards at the Zoological Society of London
Letter from John Collier to Philip Lutley Sclater regarding permission to paint in the Zoological Gardens
Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from John Anderson to Philip Lutley Sclater regarding the Indian Museum in Calcutta