Letters from Arthur Walden, Marquess of Tweedale, to Philip Lutley Sclater regarding an offer from the Duke of Wellington of two male llamas, Fellowship of the Zoological Society of London, specimens of an insect, and subscriptions to the Society
Letter from I Walker to Philip Lutley Sclater regarding the feeding of live animals to the snakes in the Gardens of the Zoological Society of London
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
Letters from Frederick W Waller to Philip Lutley Sclater regarding No 3 Hanover Square, with a report and plans of the property
Letter from John Wardlaw to Philip Lutley Sclater regarding the removal of his name from the list of Fellows of the Zoological Society of London
Letter from Thomas Warner to Philip Lutley Sclater regarding candidates for the office of Prosectorship to the Zoological Society of London
Letter from Edmond Warre to Philip Lutley Sclater regarding the donation of a bird to the Zoological Society of London
Letter from F N Warren to Philip Lutley Sclater regarding a leopard
Letter from William Warry to Philip Lutley Sclater declining his election as a Fellow of the Zoological Society of London
Letter from Edward Warwick to Philip Lutley Sclater regarding a Dr Barker