Letter from Captain J G Green to offer a specimen of a barn door hen which had developed cock plumage to the Zoological Society of London

Letters from John Edward Gray regarding John Gould's collection of birds and his subscription to the Zoological Society of London

Letters from Sir Edward Gray to Philip Lutley Sclater regarding an exchange of animals with the Zoological Society of London, transporting eland from South Africa, and the offer of a hybrid between a British Pintail and a Wigeon

Letter regarding the shipment of 29 boxes of small live British mammals and birds to the Philadelphia Zoological Gardens

Letter from Gregor Grant to Geoffrey Marr Vevers regarding the offer of crocodiles from West Africa for the Zoological Society of London

Correspondence between Ronald Graham and Geoffrey Marr Vevers regarding the offer of a young pair of Chimpanzees for the Zoological Society of London

Correspondence between the Governor of Port Stanley and George Soper Cansdale regarding an offer of Adelie penguins to the Zoological Society of London

Letters from John Gould regarding a Zebra that was exhibiting signs of tetanus, the request of a salary of £50 for the new arrangement by the Museum Committee, an expedition to collect specimens for the Zoological Society of London and several gifts to the Society

Correspondence between N G Goodings and Geoffrey Marr Vevers regarding details of the Fellowship of the Zoological Society of London and an offer to collect animals for the Society

Correspondence between George Hammond & Co. and Geoffrey Marr Vevers regarding a shipment of reptiles being sent to the Zoological Society of London