Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map
Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from Morton Allport to Philip Lutley Sclater about the introduction of salmon to the waters of Tasmania
Letters from James Anderson regarding a proposed Zoological Garden in Edinburgh, with a reply from Philip Lutley Sclater
Letters from John Anderson to Philip Lutley Sclater regarding the Indian Museum in Calcutta
Papers regarding the authority of the council of the Zoological Society of London, including the legal opinion on the right of Council to grant pensions to staff and office; information regarding the illegality of Council's submitting its acts performed by virtue of the powers so conferred on them for confirmation or reversal by a General Meeting of the Fellows; Council's authority to appoint staff without reference to the Fellows; original authority for paying the Secretary; legal opinion regarding Dr Sclater's pension; authority to the Society to dispose of property and a codicil to Sir Peter Chalmers Mitchell's will
Letters from Spencer Fullerton Baird of Washington to Philip Lutley Sclater regarding ornithology
Letters from Sir Samuel White Baker to Philip Lutley Sclater regarding notes and sketches of Hippotragus Bakeri
Letters from Sir Granville Ransome Bantock thanking Philip Lutley Sclater for free admission to the Zoological Gardens
Letters from Baring Brothers and Co. to Philip Lutley Sclater regarding the arrival of the ship Renshaw at St Katharine's Docks with the animals shipped by Mr Du Chaillu