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 Gould regarding a Zebra that was exhibiting signs of tetanus, the request of a salary of £50 for the new arrangement by the Museum Committee, an expedition to collect specimens for the Zoological Society of London and several gifts to the Society
Letters from Sir Thomas Townsend Pears to Philip Lutley Sclater regarding an Abyssinian expedition, during which Mr William Jesse collected about 1250 specimens
Letter from Robert Falcon Scott to Philip Lutley Sclater regarding assistance with the National Antarctic Expedition
Letters from Frederick John Jackson of the Imperial Institute to Philip Lutley Sclater regarding zoological work of the British Polar Expedition and the offer of three young bear cubs to the Zoological Society of London
Letter from William Spiers Bruce to Philip Lutley Sclater regarding his intention of visiting the Antarctic and requesting the support of the learned societies, and an offer to secure Antarctic fauna for the Zoological Society of London
Letter from Paul Corin to Philip Lutley Sclater regarding an expedition by Captain Zozilla
Letters from Arnold Jerome Matthews to Philip Lutley Sclater regarding an expedition to the Gabon for the purpose of procuring some young living specimens of the gorilla, then available to purchase by the Zoological Society of London
Letters from Josiah McGregor to Philip Lutley Sclater regarding a Pilcomayo expedition
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