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Correspondence with the New York Zoological Society regarding the diet of Humming Birds from Ecuador

Correspondence with Charles Gulliver regarding Chinchillas collected by Fletcher Roberts in Chile

Correspondence with Gerald Durrell regarding animals to be deposited at London Zoo, the exchange of Gough Island Moorhens for a pair of Rheas, a publication by the International Union for the Preservation of Nature on extinct and vanishing birds, a trip to Argentina, the diet of Giant Pangolins, and the care of Notornis