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Published online by Cambridge University Press: 10 July 2009
In Nyasaland, as indeed in most territories in East Africa, the greatest single factor governing the distribution of both human population and stock is the presence of tsetse fly. Exact records, therefore, of the distribution of this fly are of importance. In the present article an attempt is made to summarise the present state of our knowledge regarding the prevalence of Glossina in the North Nyasa district.