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
Correspondence with L Bautista regarding the exchange of animals with the Zoological Society of London, including Versicolour, Rainbow, and Nonpareil Buntings, also Mexico Jays
Correspondence between Baxter and Sons Ltd and George Soper Cansdale regarding a Monster Lobster for the Zoological Society of London
Letters from Gilbert Bayes to Philip Lutley Sclater regarding renewals of his ticket to the Gardens of the Zoological Society of London
Letter from Charles John Bayley regarding his membership of the Zoological Society of London
Correspondence regarding talks by Geoffrey Marr Vevers on BBC Children's Hour