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Ezekiel di Castro is one of a number of persons with the same family name, and it is not certain that in the scanty records there has not been some confusion. Ezekiel was born in Portugal in the seventeenth century. He studied at Coimbra, and began the practice of medicine in Verona in 1639. He was called "insigne medico e subtil filosofo." He was learned in the Jewish literature and wrote "Il Colostro" about 1639, "Ignis Lambens rarum pulchrescentis naturae specimen," Verona, 1642, and "Amphitheatrum medicum in quo morbi omnes quibus imposita sunt nomina ab animalibus raro spectaculo debellantur," Verona, 1646. Ezekiel deserted his faith and joined the Roman Catholic Church, and it may be that he took the name of Peter, to whose credit there are several more books.
In "Il Colostro" is stated clearly some of the pediatric opinion current over three hundred years ago. The copy in