Letters from Phineas Taylor Barnum to Philip Lutley Sclater regarding the purchase and transfer of Alice the elephant. Also a letter regarding the purchase of specimens for Barnum's Zoological Museum
Letters from J B Harvey providing a list of specimens of fish and shells that he collected. He appreciates his election as corresponding member of the Zoological Society of London and encloses varieties of concology from Devonshire. He encloses a few more specimens and expects to commence dredging shortly. He asks for information as to the best means for preservation
Letters from Sir Lawrence Alma Tadema regarding an unmounted lion's skin and a letter in support of an artist being allowed to study in the Zoological Gardens
Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl
Correspondence between Clarence Bartlett, Philip Lutley Sclater and Balmoral Castle regarding the skin and skeleton of a giraffe and the donation of the skin to the Natural History Museum. Also telegrams from Balmoral Castle sending the Queen's condolences on the death of the giraffe and her request that it should be buried
Letters from Edward Pierson Ramsay, Curator of the Australian Museum, to Philip Lutley Sclater regarding the transportation of a ceratodus to the Zoological Society of London
Letters from Carl Jacob Sundevall, Director of the Royal Museum Stockholm, to Philip Lutley Sclater regarding specimens found in the Museum such as Galapagos birds
Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them
Letters from S A Drummond Hay to Nicholas Aylward Vigors regarding specimens of zoology in the vicinity of Tangier
Letters from Joseph Henry of the Smithsonian Institute, to Philip Lutley Sclater regarding botanical specimens from the Zoological Society of London and specimens of South American birds to be named and described for the Smithsonian Institute