He had not counted upon the presence of a third, and even a fourth party, in paying his visit to the Francoises. And now, as the recumbent Franz began to move and to mutter, Van Vernet turned toward the pallet a keen and suspicious glance.

But never was there a more manifest combination of drowsiness and drunken stupidity than that displayed upon the face of Franz, as he raised himself upon the pallet and stared stupidly at the ebonied stranger.

Then a look of abject terror crept into his face, and he seemed making a powerful effort to rouse his drunken faculties. Slowly he rose from the pallet, and staggered to his feet, muttering some unintelligible words. Then, after a stealthy glance about the room, he turned and reeled toward the door.

As he approached, Van Vernet, still gazing steadfastly into his face, stepped aside, and at the instant Franz made a lurch in the same direction.

In another moment,—neither Papa nor Mamma could have told how it came about,—the two were upon the floor, Franz Francoise uppermost, his knees upon the breast of his antagonist!

As Van Vernet, who had fallen with one arm underneath him, made his first movement in self-defence, his ears were greeted by a warning hiss, and he felt the pressure of a keen-edged knife against his throat!


CHAPTER XXIX.

IN DURANCE VILE.

This onslaught, so swift and unexpected, took Papa and Mamma completely by surprise, and, for the moment, threw even Vernet off his guard.