"Say Prince Sernine." The drawing-room was near and he was shown straight in. "Ah, there you are, my dear prince!" said the baron, coming toward him. "Well, will you believe—Dominique, lunch in twenty minutes. Until then, don't let us be interrupted—will you believe, my dear prince, that I hardly expected to see you?" "Oh, really? Why?" "Well, your declaration of war, this morning, is so plain that an interview becomes superfluous." "My declaration of war?" The baron unfolded a copy of the Grand Journal and pointed to a paragraph which ran as follows: "We are authoritatively informed that M. Lenormand's disappearance has roused Arsène Lupin into taking action. After a brief enquiry and following on his proposal to clear up the Kesselbach case, Arsène Lupin has decided that h