t Technical Services Section, Aedes aegypti Eradication Branch. VoL14. No. I Pr@@ntal i,@ U.S.A. surveyed in 1964. The states were divided into two groups based on previously known extent of infestation. In the group of states with extensive infestationsâ€"Florida, South Carolina, Georgia, Alabama, Mississippi, Louisiana, and east Texas â€"onlycounties with recent negative surveys were omitted. In the group of marginal states with little or no infestationâ€"NorthCarolina, Tennes see, Arkansas, and Oklahomaâ€"counties with largecities or locatednear known infestations were surveyed. In this manner 58% of the coun ties which contained 64% of the population in the area were surveyed. The survey consisted of inspection of premises most likely to be infested ineach community in the county. The size of the survey in a county differed, based on human population, urban na ture, and number of communities. The general requirement was to survey one percent of the premises in the county. In a few cases where the city being inspected was very large or where Aedes aeqypti infestation was found immediately, less than one percent of the premises were sur veyed.In most counties, surveyswere completed

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