A "Pityriasis versicolor" no Estado do AmazonasThe results of a survey of the incidence of "Pityriasis versicolor" are reported here. The survey was of 4.731 school-children from eight municipalities in the State of Amazonas, Brasil. "Pityriasis versicolor" was found to be present in 15,18% of the children. This rate of incidence was compared with that of other micosis of the skin in the same town.