The results of feces examinations, in order to know the degree and variation of intestinal parasitoses among the inhabitants of Peruibe, a littorean city in the south of the State of Sao Paulo, Brazil, are presented. Among 475 persons, children and adults, living in 20% of the houses of the town, 95.3% proved to be parasited. The percentual results of helminths and protozoa infestations are related in tables. Seven autochthonous cases of manson's schistomiasis have been discovered, i.e., a percentage of 5.89%.