Letters from Sir Francis Galton to Philip Lutley Sclater on subjects including blood transfusion instruments that had been adapted for rabbits

Letter from Geoffrey Marr Vevers to Dr M Mazels enclosing tickets for admission to London Zoo and Whipsnade Zoo following his assistance in the chemical examination of the blood of a Giraffe

Minutes and reports of the Prosector and Honorary Parasitologist for the Prosectorial Committee of the Zoological Society of London. Also a report on blood slides received from the Zoological Gardens