Letters from Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
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
Letters from George Robert Gray regarding drawings by T Mitchelli, the subscription of a Mr Holmes, and a paper for publication in the Proceedings of the Zoological Society of London
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 Frederick Graham of the Colonial Office to Philip Lutley Sclater regarding the desire of Chief Bathoen to present the Queen with a giraffe
Letters from Christian Anton Goering to Philip Lutley Sclater regarding his visit to Venezuela and discovery of birds of Merida
Letters from C Glasfurd to Philip Lutley Sclater regarding sending two bears to the Zoological Society of London
Letters from Enrico Hillyer Giglioli to Philip Lutley Sclater regarding his paper on Halobates for the Proceedings of the Zoological Society of London
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
Letters from Sir Francis Galton to Philip Lutley Sclater on subjects including blood transfusion instruments that had been adapted for rabbits