"Oh, to-morrow will be all right, you will see," announced M. Perrelet, resuming his advance. "—If he can hold out till the end, that is. He is not really in the least fit for this affair, of course.—Ah, this was what I wanted to ask you—round this corner is my way—what in the name of fortune made those marks on his arm which he tried, too late, to conceal from me when I was examining him after you left? They are burns, and he says he did them himself, by accident—and expects me, a doctor, to believe him!"

This time it was Laurent who stopped, and under a convenient street lamp. "Ah, he said that, did he? Of course he would! Accident, indeed!" He made one of his hot, boyish gestures. "It was the most deliberate, cold-blooded——"

He never reached his noun. A gesture was made behind him; a hand fell on his shoulder. "I regret to have to demand your sword, Monsieur," said an abrupt military voice. "You are placed under arrest. Kindly follow me at once!"

It is hard to know which of the couple was the more thunderstruck. Words were completely smitten from both of them. On the very threshold of his thrilling revelation Laurent was plucked away, vanishing like a dream from the eyes of M. Perrelet, who, a moment later was left, a stout and bewildered little civilian, in the light of the convenient street lamp, while the footsteps of the patrol and the captured duellist died away round the corner. Elijah and Elisha had not a more dramatic parting.

The threads of events lay thereafter in M. Perrelet's hands. After a short period of dismayed reflection he hurried back to Aymar's lodging. But that young man lay relaxed in the profound and beneficent slumber of his physician's own procuring, and it would have been a crime to wake him. So, except that the hazard of sleep afforded M. Perrelet an uninterrupted view of the branded arm, he gained little by his visit, and hastened off to M. de Fresne, conceiving that there was nothing criminal in waking him with the news.

M. de Fresne was hardly of that opinion. By the time his nocturnal caller had introduced himself and explained his errand he was, and perhaps justifiably, in a thoroughly bad temper. "Poor boy, indeed! Feather-brained young scamp! Let him cool his heels—it won't hurt him. And I can do nothing; the only possible course is for La Rocheterie, if he can, to get permission in the morning for him to attend the Court under open arrest, as a witness. A nice witness for a case where already the testimony is so short of the mark!"

M. Perrelet shook his head at the irate gentleman sitting up in his bed. "I consider that he acted very properly, Monsieur. And as for being feather-brained, let me tell you, in all seriousness, that but for him there would be no La Rocheterie here to-day at all!"

"Humph!" said M. de Fresne, and laying down, turned over on his other side. "Well, I will come and see La Rocheterie about it at half-past six. Good-night."

A little before that hour, therefore, M. Perrelet was on foot once more, and having obtained admission, peeped in on his patient.

The russet head moved at once on the pillow. "You are up early, Monsieur Perrelet!"