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Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers

Reports by the Curator of Birds for the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Papers of the Breeding Policy Sub-Committees on Infertility, Selection and Fertility Control

Letter from S J Merriman of Brasenose College conveying an offer from an ornithologist he met in the summer in Shetlands to catch for the Zoological Society of London a number of specified seabirds breeding in the islands

Letter to J N Ritchie of the Ministry of Agriculture Fisheries and Food regarding the Animal Welfare and Husbandry Committee forming a sub-committee dealing with Animal Breeding