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 C Reiche to Philip Lutley Sclater regarding the transportation of a sealion and a pair of ostriches to the Zoological Society of London
Letters from Edward Pierson Ramsay, Curator of the Australian Museum, to Philip Lutley Sclater regarding the transportation of a ceratodus to the Zoological Society of London
Letters from Hartmann W Just to Philip Lutley Sclater, and a draft reply, regarding the transportation of a giraffe for the Queen
Letter from Leonard Howard Loyd Irby to Philip Lutley Sclater regarding the bill for a shipment of goats
Letters from Arthur Grote to Philip Lutley Sclater regarding a shipment of birds
Letters from Grindlay and Co to Philip Lutley Sclater regarding the transport of animals and birds from Calcutta
Letters from Sir Edward Gray to Philip Lutley Sclater regarding an exchange of animals with the Zoological Society of London, transporting eland from South Africa, and the offer of a hybrid between a British Pintail and a Wigeon
Letters from Albert Geoffroy Saint-Hilaire, of the Jardin Zoologique D'Acclimatation to Philip Lutley Sclater regarding matters including the transport of kangaroos and birds to be sent to the Zoological Society of London
Letter from John M Down to Philip Lutley Sclater regarding his shipment of live specimens of Bairds Tapir