Letters from W A Conklin of the Department of Public Parks in New York, to Philip Lutley Sclater regarding the birth of an elephant at a circus in Philadelphia
Letter regarding an extract from a letter received from Robert Bean, Director of the Chicago Zoological Park, regarding several gorillas that were taken to the United States
Letter regarding the shipment of 29 boxes of small live British mammals and birds to the Philadelphia Zoological Gardens
Letters from William Henry Huxley to Philip Lutley Sclater regarding alligators of North America and other matters
Correspondence between James & Hodder and Geoffrey Marr Vevers regarding the collection of mammals and birds from the Philadelphia Zoo which arrived on the S.S.Sofie Bakke for the Zoological Society of London
Letters from Charles Kingsley to Philip Lutley Sclater regarding naturalists in Denver, Colorado, specimens for the Zoological Society of London, and the paper of the ex-governor of Trinidad
Letter regarding an offer to supply the Zoological Society of London with Racoons and a Black Bear, and a request for America White Pelicans
Letter from Samuel Pierpont Langley of the Smithsonian Institution to Philip Lutley Sclater regarding the establishment of a Zoological Park in the City of Washington
Letters from Sir Charles Lyell to Philip Lutley Sclater regarding the donations of a text regarding Charles Darwin to the Library of the Zoological Society of London, a list of books to be purchased for the Library, the foundation of a zoological society in Boston, Massachusetts, and a request from keepers to read books on natural history and the animals in their care
Correspondence between Philadelphia Zoo and George Soper Cansdale regarding the importation of Salamanders for the Pathology Department of Ancoats Hospital