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 John Gritton of the Lord's Day Observance Society to Philip Lutley Sclater regarding a memorial of the committee of the Society for promoting the due observance of the Lord's Day
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Letters from Herbrand Arthur Russell to Philip Lutley Sclater regarding the purchase of animals, his election as member of the council of the Zoological Society, his attendance at meetings and the appointment of a veterinary surgeon at the Zoological Society
Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater
Letters from Frederic Brine to Philip Lutley Sclater regarding the living conditions of a gorilla, a sacred white elephant which was said to have been in Siam but which he refuted, and the height and weight of Jumbo and Jenny
Letters from Bennet Burleigh to Philip Lutley Sclater regarding the donation of two turtles
Letters from Ernst Heinrich Philipp August Haeckel to Philip Lutley Sclater
Letters from Berkeley Hill to Philip Lutley Sclater regarding a report of the Council of the Zoological Society of London and requesting changes in the bylaws as regards sales and special general meetings
Letters from Sir Joseph Dalton Hooker to Philip Lutley Sclater regarding collections of birds and botany