The delivery of these lectures was one of the last pieces of work that Neville Figgis was allowed to carry through. He prepared them for the press, leaving them in the form of lectures and preserving here and there the impress which the anxiety of war-crisis made upon them. In that form, therefore, they are published now. In place of the final revision which his failing health prevented him from making, another hand has tried unskilfully to supply what he would have done with skill, in order to carry out his wishes and make his last complete piece of work accessible to a wider public than...