“…The mother, whose case is reported by Alexander and Callister (1955) and already quoted, developed lymphadenopathy when 6-months pregnant. Heath and Zuelzer (1945) consider, on account of the nature of the eye lesions, that the twins they describe were infected not later than the seventh month of intra-uterine life. That toxoplasmosis may not manifest itself in the baby until some days or weeks after birth suggests that' infection may sometimes occur in the last month of pregnancy.…”