Letters from Alphonse Milne-Edwards, Director of the Menagerie au Museum d'histoire naturelle, to Philip Lutley Sclater

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

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

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

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

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

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