This priesthood has two degrees: the first, total and complete, the second an incomplete participation of the first. The first belongs to the bishop. The bishop is truly a priest (
sacerdos), and even a
high-priest; he has chief control of the Divine worship (
sacrorum antistes), is the president of liturgical meetings; he has the fullness of the priesthood, and administers all the sacraments. The second degree belongs to the priest (
presbyter), who is also a
sacerdos, but of the second rank (“secundi sacerdotes”
Innocent I ad Eugub.); by his priestly ordination he receives the power to offer sacrifice (i.e. to celebrate the Eucharist), to forgive sins, to bless, to preach, to sanctify, and in a word to fulfil the non-reserved liturgical duties or priestly functions. In the exercise of these functions, however, he is subject to the authority of the bishop to whom he has promised canonical obedience…