Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl
Correspondence between Clarence Bartlett, Philip Lutley Sclater and Balmoral Castle regarding the skin and skeleton of a giraffe and the donation of the skin to the Natural History Museum. Also telegrams from Balmoral Castle sending the Queen's condolences on the death of the giraffe and her request that it should be buried
Correspondence between Basel Zoo and Geoffrey Marr Vevers regarding an exchange of Wallabies and Hamsters
Letter from Thomas John Batcheler to Philip Lutley Sclater regarding his subscription to the Zoological Society of London
Correspondence between Lieutenant R M Batchellor and Geoffrey Marr Vevers regarding a young alligator in his possession which he would like to present to the Zoological Society of London
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Letters from William Bateson of the John Innes Horticultural Institution regarding frogs and further research
Letters from C J Battersby, of the British Museum (Natural History), regarding Dr Smith's specimens, the feeding of snakes, papers bought for Joan Procter, and Christmas greetings
Correspondence between W Batty of Astley's Amphitheatre, to David William Mitchell regarding the price for two elephants
Letter from William Baibugge seeking support of Fellows of the Zoological Society of London for the establishment of a reference library