In Saint Thomas Aquinas’ treatise on the Sacrament of the Eucharist in the Tertia Pars of his Summa Theologiae, he says that the “whole Christ” [1] is “really present” [2] in the Eucharist. For Thomas, this means that “Christ Himself is contained in the Eucharist sacramentally” [3] as the Son of God, not “in His proper species” [4], but “under …