THERE was once a time, though alas it is many hundred years since, when the Holy Catholic Church was a glorious building, all one, like the seamless vest of her Master, Christ. The remote cities of Egypt and Syria, Greece and Rome, Gaul and Britain, were all one body, in one Lord, one faith, one baptism. The voice of discord was scarcely heard within her. Heresy found no resting-place within the sanctuary. The Church was like the New Jerusalem above,...