Luke, are of a reddish yellow, symbolizing the earth on which they dwell. The eagle and angel do, in fact, fly; while the lion and the ox walk. Yet upon the painted window all the four have wings. A rein of silver, passing round the neck of each of the four symbols, is attached to the pole of the chariot. The Church, represented by the four most elevated religious potentates, by the Pope, the Cardinal, the Archbishop, and Bishop, or by the four chief Fathers, St. Gregory, St. Jerome, St. Ambrose, and St. Augustine, drives the four-wheeled car, and, in conjunction with the Evangelists, urges it onward. Jesus guides his triumph, not holding reins, but shedding blessings from his right hand wherever he passes.