During the months of September through November a parasitological investigation was made from fecal samples of 49 children and 20 soil samples of an orphanage in Manaus, Amazonas, Brazil. The specimens were concentrated by Faust's method, and the authors prepared the following index of intestinal parasites in these individuals. These results were obtained. : Trichocephalus trlchiurus 89,0%, Ascaris lumbricoides 73,5%; Ancylostomidae 71,4%; Strongyloides stercoralis 12,2% and Enterobius vermiculares 8,2%. The highest incidence of protozoan parasites was of Entamoeba coli 38,8%, Giardia lamblia 34,7%, Iodamoeba butschlii 8,2% and Entamoeba histolytica 6,1%. 90% of the soil samples were contaminated.