Correspondence with Sir Arthur Landsborough Thomson regarding the Secretaryship and the need for an Honorary Secretary, the replacement of the term Superintendent with Director, Scientific Meetings, Scientific Fellowship, the naming of Vice-Presidents of the Zoological Society of London, statements to the press, committees, the stocking of antelopes, a grant from the Nuffield Foundation to maintain a Nuffield Unit of Tropical Animal Ecology at Cambridge, a memorandum by Landsborough Thomson on the Royal Society for the Protection of Birds, the Society for the Promotion of Nature Reserves and the Council for Nature, a memorandum on a Fresh Proposal for Integration of Conservation Bodies, and the introduction of an oceanarium at London Zoo
Correspondence between Richard M Lockley of The Pembrokeshire Bird Protection Society and Julian Sorell Huxley requesting permission to nominate Huxley as Vice-President
Letters from Clements Robert Markham, Secretary of the Royal Geographical Society, to Philip Lutley Sclater regarding permission for his cousin to take photographs in the gardens of the Zoological Society of London, a request to review Eastern Persia for the Geographical Magazine, Sclater's membership of the Geographical Society, a representation to the government with a view to the exploration of the North Pole region, the Spitsbergen bird, and an order for his wife and himself to see their dogs at the gardens
Letters from the Zoological Society of London to the Ministry of Food regarding requirements of fish for the feeding of the sea-lions and fish-eating birds
Correspondence to and about David William Mitchell regarding royal personages of the Zoological Society of London, shipments of birds, an arrangement with Mr Henry Beale for the conveyance and delivery of Greyhounds and Deerhounds, the Refreshment Rooms, a testimonial for Louis Fraser, the shipment of a Trigress and a Lion, bills of the Zoological Society of London, the estate of David William Mitchell, notes of a committee appointed to examine the state of the accounts between David William Mitchell and the Society, particulars of money due from the executors, and amount of claim against his estate
Letters from Rajendra Mullick to David William Mitchell giving thanks for a shipment of birds shipped from the Zoological Society of London and reports on zoology, and birds and animals onboard the Prince of Wales for the Zoological Society of London
Letters from J Neeves regarding an Anas Cygna or Chin Chow Goose, a letter from Mr Acali referring to the new Purple Headed Pheasant, a little tortoise that belonged to his daughter which he asked the Zoological Society of London to take charge of in his absence, his son who had been in China to procure a Medallion Pheasant and some bird skins sent by his son for the Zoological Society of London
Letters from William Hillier Onslow to Philip Lutley Sclater regarding whether the Zoological Society of London would like to have a pair of Keas, membership of the Zoological Society, and the preservation of native birds of New Zealand. Also a report on Native New Zealand Birds with a memorandum by Lord Onslow.
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
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'