Ipsa est enim novæ conditio creaturæ quæ in baptismate non indumento veræ carnis sed contagio damnatæ vetustatis exuitur ut efficiatur homo corpus Christi, quia et Christus corpus est hominis. The most crabbed of the several crabbed passages in this letter. The mystical transmutation of the believer’s body into the body of Christ is here referred to the sacrament of Baptism, while earlier in the letter (chap. ii.) it is described as one of the effects of Holy Communion.