to make clear why the Body of Christ, which is the Church, should be called mystical. This name, which is used by many early writers, has the sanction of numerous Pontifical documents. There are several reasons why it should be used; for by it we may distinguish the Body of the Church, which is a Society whose Head and Ruler is Christ, from His physical Body, which, born of the Virgin Mother of God, now sits at the right hand of the Father and is hidden under the Eucharistic veils; and, that which