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 Courteney Selous to Philip Lutley Sclater regarding his papers, notes on his egg collecting trip to Asia Minor, admission to the Gardens of the Zoological Society of London, a donation towards the International Congress of Zoology, notes on the red Rhebuck, meetings the Zoological Society of London, the horns of a white rhinoceros, his election as a corresponding member of the Society and accounts of his travels
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis
Report of a meeting between the Trustees of the British Museum and the representatives of the Museum Conference of Naturalists, with correspondence, a memorandum on the problem of combining the administrative and technical or scientific direction of National Museums with special reference to the British Museum (Natural History) and papers from meetings
Letters from St George Jackson Mivart to Philip Lutley Sclater regarding papers he was writing for the Zoological Society of London, and his resignation from the Council of the Zoological Society
Letters from Sir Edwin Ray Lankester to Philip Lutley Sclater regarding a house for tropical apes in the gardens of the Zoological Society of London, P T Barnum, and papers on okapi
Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers
Letters from Sir Harry Hamilton Johnston to Philip Lutley Sclater regarding posts open at the Foreign Office for the consular department, the Kilimanjaro Expedition, papers on birds, mammals and insects from Kilimanjaro, medals to be awarded for services to zoology, animals and specimens sent by Mr Johnston to the Zoological Society of London, drawings of animals, a visit to the gardens of the Zoological Society of London by the Katikiro of Uganda and his party, and his election as a member of the Council and attendance at meetings, and the Zoological Club
Correspondence with Francis Hemming regarding his report on source papers in the structure of science, meeting of the Zoological Record Committee, memorandums on the Zoological Record, conditions of the Fellowship of the Zoological Society of London, revision of the Bye-Laws, the Secretaryship, visits to Whipsnade, questions to be put to candidates by the President, meetings of the Council and a paper titled 'An Auxiliary Method of Taxonomic Descrption
Letters from Albert Carl Ludwig Gotthilf Gunter to Philip Lutley Sclater regarding his papers for the Proceedings of the Zoological Society of London, Dr Gray's paper on Chilean Deer, Krefft's, discovery of the Ceratodus Fosteri, plates of Swinhoe's snakes, salmonoids, heterodon dorbignyi and euophrys modestus