“You have no paper of any kind to prove your profession!”

“I have no profession.”

“But look here, sir,” cried the magistrate, with a certain asperity, “you can’t expect to preserve your incognito after introducing yourself here by a trick and surprising the secrets of the police!”

“I beg to remark, Monsieur le Juge d’Instruction, that you asked me nothing when I came in, and that therefore I had nothing to say. Besides, it never struck me that your inquiry was secret, when everybody was admitted—including even one of the criminals!”

He spoke softly, in a tone of infinite politeness. He was quite a young man, very tall, very slender and dressed without the least attempt at fashion, in a jacket and trousers both too small for him. He had a pink face like a girl’s, a broad forehead topped with close-cropped hair, and a scrubby and ill-trimmed fair beard. His bright eyes gleamed with intelligence. He seemed not in the least embarrassed and wore a pleasant smile, free from any shade of banter.

M. Filleul looked at him with an aggressive air of distrust. The two gendarmes came forward. The young man exclaimed, gaily:

“Monsieur le Juge d’Instruction, you clearly suspect me of being an accomplice. But, if that were so, would I not have slipped away at the right moment, following the example of my fellow-criminal?”

“You might have hoped—”

“Any hope would have been absurd. A moment’s reflection, Monsieur le Juge d’Instruction, will make you agree with me that, logically speaking—”

M. Filleul looked him straight in the eyes and said, sharply: