Letters to PL Sclater asking him to correct the bird names in Darwin's new book, 'Descent of Man'.

23 journal volumes of approx 180 pages each. 5 vols of photographs illustrating the text

Letter from a Demonstrator at Royal Dick's Veterinary College in Edinburgh to Sir William Henry Flower regarding a book by Flower's called 'The Horse'

Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding the publication 'Afrika' by Emil Schulthess

Letter from Thomas Davidson to Philip Lutley Sclater regarding his paper on recent Japanese species of Brachiopoda