Letters from John Edward Grey of the British Museum to Philip Lutley Sclater regarding the key to the gardens of the Zoological Society of London, a paper on tortoises, specimens of a monkey and lemur to be exhibited at a meeting, the death of a gorilla, meetings of the Council, and reports of the Proceedings of the Zoological Society of London
Correspondence between John K Irons and George Soper Cansdale regarding an offer of monkeys to the Zoological Society of London, including Red Colobus, Patas Green and Anubis Baboon
Correspondence between K F Moorhouse Ltd and Geoffrey Marr Vevers regarding the introduction of a Monkey House into the Aquarium at Brighton Aquarium
Correspondence between the London-Rotterdam Maritime Agency Ltd and Geoffrey Marr Vevers regarding two Monkeys for dispatch to Rotterdam
Letters from Alexander Miller of the Zoological Gardens regarding a Chinese Pheasant which escaped and had been running in Park Street, Camden Town, an escape from the Dove House, the removal of an oak fence on the southern boundary, the health of a Rhinoceros, the Society's Cashmere Goat, his visit to City Road Basin, the purchase of a Chimpanzee, a visit by the Queen to the Gardens, a stillborn Rhesus Monkey, dimensions of the back of a new den for the Elephant and Rhinoceros, the cost of laying the floor of the Elephant and Rhinoceros House, the death of a Chimpanzee and the return of John Woodbridge with Cranes and Leopards
Correspondence with the collector B L Mitchell regarding animals to be collected from Nyasaland for the Zoological Society of London, including Vervet Monkeys, Jackal cubs, Martial Hawk Eagle, Pangolins and Bush Babies
Letters from Richard Owen regarding remarks on Bennett's edition of White's Natural History of Selborne, proofs of Bennett's paper with appreciation of his opinion on the value of Ousimile on Macr. Porryi, additions and alterations to notes on Hyrax, his omitted note of the salivary bags of the Armadillo from the written report of its dissection, MS of Clavagella, plans of the Monkey House and whether it is heated by hot air or steam, arrangements at the Garden to facilitate repetition and extension of experiments by Mr Hunter in 1725/6/7 to determine the relations subsisting between Wolf, Jackall and Dog, examination of 'your little feli-viverrine quadruped, bones of Touraco and drawings of Terebratala for the Zoological Society of London, East India Goats for sale by Mr Evans Riadone, an introduction to Mr Meade, a senior student at St Bartholomew's and a comparative anatomist and articulator of skeletons who wished to become a candidate for the College of Surgeons curatorship, and a request for Bennett to check a reference to 'Zoologie de la Caquille'
Letters from Wilhelm Carl Hartwig Peters of the Museum Regium Zoologicum, to Philip Lutley Sclater regarding Huxley's paper, a sketch of the plan of the monkey house, plates, specimens in his possession, and his memoirs
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'
Correspondence between G W Pulfer and Geoffrey Marr Vevers regarding the shipment of a pet monkey to the United Kingdom from South East Asia