compares the conduct of Leo III. with that of the Jewish king Ozias, [308];

effects on the mind of portraying divine actions, [309];

defines the bounds of Church and State, [311], [317];

reproves the emperor's impiety in breaking up an image of Christ, [312];

laughs to scorn his threats against St. Peter, [313];

whom all the nations of the West look upon as a God upon earth, [314];

contrasts Church discipline with State punishment, [318];

the Pope and the patriarch hear God's commission to pardon the emperor, if penitent, [320];

these letters, a picture of the time in which they were written, [321];

especially as to the relation between the Two Powers, [322];