Letters from Thomas Horsfield regarding his inability to meet Yarrell and Sabine, examination of his proofs, information of remarks of any kind on a species of elephant described in a passage he quotes from Bishop Heber's journal, Bennet's judgement on descriptions of several species, and an introduction to Mr Hugh Murrey who was was engaged in publication of an Account of China for the Edinburgh Cabinet Library in Zoology of China
Letters from William Harvey regarding the production by Edward Bennett of an edition of White's Natural History of Selborne
Letters from L S Hardisty offering four volumes and book of plates of 'La Peysoures Vayay' and stating that a friend wished to purchase a Brahenian bull and cow and asking if there were any they wished to get rid off at the Gardens of the Zoological Society of London
23 journal volumes of approx 180 pages each. 5 vols of photographs illustrating the text
Poles, William EustaceLetters to PL Sclater asking him to correct the bird names in Darwin's new book, 'Descent of Man'.
Letters from Robert Oliver Cunningham to Philip Lutley Sclater regarding his research and other papers
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding the publication 'Afrika' by Emil Schulthess
Letters from F N Buckley about the progress of a manuscript on fish. The printer is bankrupt and the type was being put up for auction. My Gray's part had been set up for many months and was ready for printing if pagination could be arranged
Collection of biographical notes on Eyton; copies, transcriptions and abstracts of letters to and from Eyton
Eyton, Thomas Campbell