Day by day account of work in the ZSL Museum. Divided into Accessions, Anatomy, Preserving Department, Museum, Stores. Written by the Superintendent of the Museum, William Martin. Occasional entries by John Gilbert. Also mentions the work of Alexander Chambers, John Gould and Richard Owen.

Lists specimens in the Museum, with an arrival date, whether stuffed or in spirit, country, how obtained, and occasionally who deposited them. Arrival dates are from 1827-1840. Split into three groups of animals. Some specimens are from Sir Stamford Raffles' Sumatran collection. 

Correspondence between the British Museum (Natural History) and Sheffield Airey Neave regarding delegates to the Conference on Nature Preservation in Post-War Reconstruction, and a meeting of the Council

Minutes of a meeting of recorders and searchers held in the Board Room of the British Museum (Natural History)

Letter from Gavin de Beer of the British Museum (Natural History) regarding Desmond Morris and Congo

Letter to Dr F C Fraser of the British Museum (Natural History) regarding his name being put forward as the Society's representative on the National Committee of Biology

Letter from Emmett Reid Dunn of the Department of Zoology, Smith College, Massachusetts, regarding her resignation from the British Museum

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

Letters from Edmund Ruppell, a German citizen from Frankfort, giving appreciation for receipt of his diploma as a foreign member of the Zoological Society of London, Proceedings of the Zoological Society of London, comments on his discoveries such as a new variety of Gasteropod, a list of mammals and birds 'our museum wishes to get from England' receipt of the 1934 Proceedings, the first volume of museum catalogue, and his wish to complete the exchange

Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them