I . A survey of the incidence of goitre in Ceylon was carried out in the years 19479 and goitre was found to be endemic in the south-west sector of the Wet Zone of Ceylon. 2. In response to a request by the Ceylon Government to the World Health Organization for advice, Dr Dagmar Wilson in 1950 confirmed our earlier findings and as a short-term policy recommended the provision of iodine as KI ta...