Christian irenics.--Biblical doctrine of the church.--Catholic-the name and the thing.--The historic episcopate.--Validity of orders.--Ecclesiastical jurisdiction.-The real and the ideal in the papacy.--Infallibility, true and false.--The sacramental system.--Church and creed.--The theological crisis, especially in America.--The institutional crisis in the church of England.--The encyclical against modernism.--The great obstacle in the way of a reunion of Christendom.--The passing and the coming Christianity.