Our readers may be interested in the Lutheran Catholicity blog…
"The sacrament of the body and blood of Christ, which we receive, is a divine thing, because by it we are made partakers of the divine-nature. Yet the substance or nature of the bread and wine does not cease" [... "et tamen esse non desinit substantia vel natura panis et vini].
...in the Holy Supper the two substances, the natural bread and the true natural body of Christ, are present together here upon earth in the appointed administration of the Sacrament.
"Gelasius' election on March 1, 492 was a gesture for continuity: Gelasius inherited Felix's struggles with Eastern Roman Emperor Anastasius I and the patriarch of Constantinople and exacerbated them by insisting on the removal of the name of the late Acacius, patriarch of Constantinople, from the diptychs, in spite of every ecumenical gesture by the current, otherwise quite orthodox patriarch Euphemius (q.v. for details of the Acacian schism).