Letters from Lionel Walter Rothschild, 2nd Baron Rothschild, to Philip Lutley Sclater regarding an expedition to the Sandwich Islands, papers on birds of the Sandwich Islands, drawings of a Rail, ornithological exhibitions, the sale of a rhinoceros, his drawing of a rhinoceros to be published in the Proceedings of the Zoological Society of London, his Cassowaries at Tring, a transfer of Tragelaphus, Galapagos Tortoises, Eclectus Parrots, Lemurs and Zebras
Letter from Edward Roche to Philip Lutley Sclater regarding birds and other animals being delivered, such as black necked swans, pheasants and antelope
David Seth Smith attended, as delegate of the Zoological Society and the Society for the Preservation of the Fauna of the Empire, the Meeting of the European Continental Section of the International Committee for Bird Preservation held in Vienna
Report on elephant enclosures, temperatures in various houses such as antelope and cattle sheds, possible overcrowding in bears' enclosures, inmates of cattle and deer sheds, the health of otters and coypus, numbers in the bird house and aviaries, bird house temperatures and the Three Island Pond
Report by the Curator of Mammals and Birds following his attendance at the International Ornithological Congress in Rouen and Paris
Letters from Thomas Mayne Reid to Philip Lutley Sclater regarding his sale of Jacob Sheep and books or papers about British birds
Letters from Sir Robert Ker Porter in Caracas thanking Bennett for the his letter and Proceedings of the Society's committees, the good health of a tapir, a bear belonging to a resident in Caracas, a bird called Curapoas (or Forvies), the shipment of a Capuchin Monkey, 'a very curious little animals of the weasel kind, and six land tortoises by the Brig 'Pedraza', a consignment he received save for the weasel which was washed overboard, and descriptions of the consignment in the 'Pedraza'
Plans relating to proposed garden improvements, with papers regarding the future of the parrot collection, a report by the curator of mammals and birds and Parrot House plans
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis
Letter from Sir Richard Owen to William Ogilby regarding his attendance at a committee meeting of the Zoological Society of London and a big bird bone which he believed to be about the age of a Dodo