The guard at last came back to his door. He handed back to Gualtier the letter which he had written.

"The lady," said he, "was not at home. She had gone away. My brother waited all this time, but she did not return. Shall he go back and wait?"

"No," said Gualtier.

He gave a hundred piastres to the guard. He took his note, and tore it up. All hope faded away within him, and despair, black and dark, settled down upon his soul.

CHAPTER LXXIII.

OBED'S NEW ADVENTURE.

After leaving Gualtier in custody Obed Chnte drove away from the police station with an expression of tranquil satisfaction on his fine face; such an expression as might befit one who is conscious of having done his duty to the uttermost. He drove down the Lungh' Arno, and through the Piazza, and past the Duomo. There was no further need to keep the blinds closed, and as he drove on he looked out upon the inhabitants of Florence with a grand benignity of expression to which no language can do justice. Many things conspired to fill his breast with the serenest satisfaction and self-complacency. First, he had saved himself from being humbugged. Secondly, he had been the victor in two very respectable trials of muscle, in which he, by the sheer power of muscle, had triumphed, and in the first of which his triumph had been gained over a man armed with a revolver, and using that revolver, while he very generously scorned to use his own. Thirdly, this man was the very one whom he had sought for months, and who had eluded entirely the police of Italy, France, and England. Obed also had been merciful and magnanimous in his hour of triumph. He had been too great-hearted to avail himself of any undue advantage in the strife, or to do one single act of unnecessary cruelty when that strife was over, and the victory was won. He had not bound his victim till the new flight of that victim had compelled him; nor had he spoken even one harsh word to him. He had captured him fairly and bravely too, and in the most quiet and unostentatious manner had handed him over to the police of the country.

Of course there were some things which might have been more agreeable under the circumstances. The mystery which surrounded this man was not pleasant. It was not pleasant, after having captured him, to find himself still baffled in his endeavors to understand him or his motive; to find that this man had forced him to interweave the case of Lady Chetwynde with that of Zillah, when to his mind those two cases were as far asunder as the poles. Yet, after all, the perplexity which arose from this could not interfere with the enjoyment of his triumph. Baffled he might be, but still there was no reason why he should not enjoy the calm pleasure which arises from the consciousness of having well and fully performed a virtuous action, and of having done one's duty both to one's neighbor and one's self.

So Obed, as he drove about before going home, enjoyed the full consciousness of his own merit. He felt at peace with himself, with the world at large, and, for that matter, even with Gualtier. So long as Gualtier had baffled him and eluded his most ardent search, he had experienced the bitterest and the most vindictive feelings toward the villain who had perpetrated such foul crimes, and persisted in evading all pursuit. But now that this mysterious villain had been captured, and by himself, he felt that bitterness and vindictiveness no longer. He was satisfied that the law would administer to him the full punishment which was due to his crimes, and as far as he was concerned personally he had no feeling against him. He was simply desirous of justice.

Seated thus in his brougham he drove past Giotto's Campanile, and past those immortal gates of bronze which Ghiberti made for the Baptistery, and which Michael Angelo declared to be worthy of being the gates of Paradise. It was just at this last place, as the brougham was moving leisurely on, that his attention was arrested by a figure which was seated on the stone steps immediately outside of one of those gates. It was a woman, elderly, decrepit, and apparently poor. She was dressed in deep mourning. She was very pale, her hair was as white as snow, and her eyes looked forth with an eager, watchful, wistful expression--an expression of patient yet curious vigilance, like that of one who is waiting for some friend, or some enemy, who delays to appear. It was a memorable face--memorable, too, from its sadness, and from the eager yet almost hopeless scrutiny which it turned toward every one that passed. This was the figure that attracted Obed. He gave it one look, and that one look was enough for him.