Letter regarding an extract from a letter received from Robert Bean, Director of the Chicago Zoological Park, regarding several gorillas that were taken to the United States

Letter from George Bentham to Nicholas Aylward Vigors regarding the request of a room at the Horticultural Society for the monthly meeting of the Zoological Society of London

Letter from William Baibugge seeking support of Fellows of the Zoological Society of London for the establishment of a reference library

Letter from J Berkeliuss referring to a letter from Edward Turner Bennett of 2nd August on contact between the Zoological Society of London and academy of sciences

Letter from F J Dictet, Secretary of the Societe Physique et Histoire Naturelle de Geneve, regarding a copy of a publication for the President of the Zoological Society of London

Letters from Christian Gottfried Ehrenberg, Secretary of Carolinische Akademie de Naturforsche, acknowledging receipt of the Proceedings of the Zoological Society for 1830-31

Letter from P J Fuss, Secretary of the Perpetuelle de l'Academie Imperiale des Sciences, giving thanks for Volume I of the Zoological Society of London Transactions

Letter from J S Henslow to Edward Turner Bennett at the Linnean Society regarding risks of losing contact due to attacks of envy, and that we all benefit from cooperation. He offers additional subscription if it will help

Letter from Magrath regarding plans of a museum. He remarks that they are less expensive than Anglesea or the Duke of Buckingham's House

Records relating to the Institute of Zoology and ZSL's scientific endeavours