Correspondence between Cecil Stanley Webb and Geoffrey Marr Vevers regarding a proposed journey by C S Webb to British Guiana, with lists of birds, mammals and reptiles of Trinidad and Tobago. Also a letter regarding Zebras and Reticulated Giraffes
Correspondence between Alan Francis Brooke and Officers of the Zoological Society of London regarding his resignation from the Presidency of the Zoological Society of London, the Annual General Meeting, and a collection of Australian mammals and birds
Letters from Professor Dr J J Hess of Zurich to Patrick Alfred Buxton, regarding the correct forms of the Arabic names of reptiles and mammals, and general notes on transliteration and the use of diacritical points
Correspondence with Geoffrey Marr Vevers regarding mammals presented to the Zoological Society of London by dealers
Correspondence between the Ministry of Agriculture and Geoffrey Marr Vevers regarding licences for the movement of animals to the Sanatorium and Quarantine Stations in the Zoological Gardens, a Vicunuas infected with sarcoptic mange, the importation of dogs and cats, animals shipped by the SS Arakaka, the detention of foxes in the Mammal House, the purchase of African Weaver Finches and Leopard cubs on board the warship Victorious
Correspondence between C R Stoner and George Soper Cansdale regarding an offer to collection mammals and birds for the Zoological Society of London
Letters from Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica
Correspondence with Geoffrey Marr Vevers regarding queries about mammals such as an offer of a Lioness for mating, the measurements of Camels, Toto the Lesser Kudu, Mink breeders, Monkeys from East Africa, Quaggas, the gestation period of a Giraffe, Horned Hares, and domesticating the Paca and Capybara
Correspondence between James & Hodder and Geoffrey Marr Vevers regarding the collection of mammals and birds from the Philadelphia Zoo which arrived on the S.S.Sofie Bakke for the Zoological Society of London