Letters from George Brettingham Sowerby to Philip Lutley Sclater regarding descriptions of new shells, a request to use two plates and a valuation of Mr Cummings' collection of shells
Letters from William Sowerby, Secretary of the Royal Botanic Gardens, to Philip Lutley Sclater requesting a list of the council and officers of the Zoological Society of London
Letters from James Thompson to Philip Lutley Sclater regarding the purchase of items for an expedition to India
Letters from Arthur Walden, Marquess of Tweedale, to Philip Lutley Sclater regarding an offer from the Duke of Wellington of two male llamas, Fellowship of the Zoological Society of London, specimens of an insect, and subscriptions to the Society
Letters from Bennet Burleigh to Peter Chalmers Mitchell regarding two young ostriches and a squirrel from Somaliland to be gifted to the Zoological Society of London
Letters from Lionel Walter Rothschild to Peter Chalmers Mitchell regarding the preparation of food for Rheas and Emus and agreeing that Mr Boulanger can take the Chimpanzee home
Letters from Herbrand Russell, 11th Duke of Bedford, to Peter Chalmers Mitchell regarding animals available for purchase by the Zoological Society of London, including a zebra and a Cow Aurox from Hagenbeck at Hamburg
Letters from S A Drummond Hay to Nicholas Aylward Vigors regarding specimens of zoology in the vicinity of Tangier
Letters from J L Cox regarding the keeping of birds in the Gardens of the Zoological Society of London and a donation of animals from a friend for the Society
Letters from William Heame regarding the arrival of the Brig 'Adak' at London Docks with a Hawksbill Turtle, 2 Land Tortoises, 1 male ditto, 1 Pigeon, 6 Doves and a flamingo which is supposed to be dead and only a skin. Also speaks of the arrival of his display cabinet and asks the Zoological Society of London to select and withdraw all the insects they desire from drawers of his in their possession