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
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 Joseph Cornely to Philip Lutley Sclater regarding a voyage
Letters from Hugh Childers to Philip Lutley Sclater regarding expeditions by the Admiralty to observe the transit of venus
Letters from John Samuel Budgett to Philip Lutley Sclater regarding his research on okapis and expeditions to study polypterus