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

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

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 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

Letter from Macmillan & Co. Ltd. to Philip Lutley Sclater regarding a collected edition of the papers of the late Professor Huxley

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 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

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

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

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