other smaller squares and rectangles of all sizes? Wouldn't you say that it was the plan of a house?"
"Yes, I should."
"It is the plan of the house in which we are," declared Weber solemnly. "Here you see the front courtyard, the main building, the porter's lodge, and, over there, Mlle. Levasseur's lodge. From this lodge, a dotted line, in red pencil, starts zigzagging toward the main building. The commencement of this line is marked by a little red cross which stands for the room in which we are, or, to be more correct, the alcove. You will see here something like the design of a chimney, or, rather, a cupboard—a cupboard recessed behind the bed and probably hidden by the curtains."
"But, in that case, Weber," said M. Desmalions, "this dotted line must represent a passage leading from this lodge to the main building. Look, there is also a little red cross at the other end of the line."
"Yes, Monsieur le Préfet, there is another cross. We shall discover later for certain what position it marks. But, meanwhile, and acting on a mere guess, I have posted some men in a small room on the second floor where the last secret meeting between Don Luis, Florence Levasseur, and Gaston Sauverand was held yesterday. And, meanwhile, at any rate, we hold one end of the line and, through that very fact, we know Don Luis Perenna's retreat."
There was a pause, after which the deputy chief resumed in a more and more solemn voice:
"Monsieur le Préfet, yesterday I suffered a cruel outrage at the hands of that man. It was witnessed by our subordinates. The servants must be aware of it. The public will know of it before long. This man has brought
