The continued occurrence of lead poisoning in children, despite the efforts of physicians, health agencies and insurance companies to disseminate information concerning this preventable disease, warrants the presentation of a review of certain phases of the condition and a further report of the cases observed in this clinic. SOURCES OF LEAD Lead poisoning in infants may follow the prolonged use of lead nipple shields;1in Japan poisoning has occurred frequently from the use by the mother of face powder containing lead.2In infants and older children the ingestion, over a period of time, of water containing even small amounts of lead may result in intoxication. Recently there was reported an extensive series of cases of lead poisoning following the inhalation of fumes in homes where storage battery casings were used as fuel.3However, most frequently the ingestion of lead is a result of the habit observed in