“Where are you?” he called quickly. “Where are you?”

A draft of air touched his face. The front door at the farther end of the passage was being opened.

“I am here, Bundy.”

It was her voice, but there was something of cold, merciless forbidding in it. He halted instinctively. He did not quite understand.

“Bundy, are you listening?” came the level tones again. “This is the end, absolutely and finally the end to-night. You have saved my life, but I owe you no thanks for that. You saved it, after hiring thugs to take it, you thing of loathing, because you dared do nothing else, since you say you believe the police got wind enough of this thing tonight to scare you off. Very well, Bundy—but there is more, isn’t there, that the police do not know? Well, they will know it, and certain secrets in that den of yours, the moment I can reach them. I have warned you often enough. I am through, Bundy, this is the end of the Rat to-night, nothing shall stop that—but I am still a fool. I am still giving you warning of what I mean to do now. I am still giving you a chance to save yourself if you can; the rather slim chance that the police will not be able to run the man who was known as the Rat to earth! And I am giving you that chance because—well because, even in spite of yourself, I am still alive.”

“No!” he cried. “You do not understand. Wait!” He was groping down the black passage, as he heard the front door shut quickly, and heard a footstep running, receding, outside. “Wait!” he cried again. “For God’s sake, wait!”

There was no answer. He knew there would be none. He had heard her running away out there, hadn’t he? He reached the door, and looked out—and hung there hesitant—and called again—and there was no answer. He listened. He could not hear her footsteps any more. There was no sound from anywhere, not even from that warehouse door behind him. They weren’t hammering on that any more.

And then Billy Kane laughed in a short, bitter, mirthless way, and started, running at top speed, in the direction in which he had left his purloined and dilapidated car. The end! The end of the Rat! He laughed again in the same bitter mirth, as he ran. It was the end of more than that! It was the end of hope—of her—of that love that had come to him upon the thresholds of these strange doors of the night. It was the end of Billy Kane! And whether as the Rat now, or as Billy Kane, the police would be equally hard upon his trail. He stood in far worse case now than on the night of David Ellsworth’s murder, for now the underworld, that would be combed for the Rat, and where the Rat was too well known to have it offer the slightest hope of escaping detection, was closed to him as a refuge. He knew what she meant to do—to tell her story to the police, to expose all the criminal acts and affiliations of the bona fide Rat, and to lead them to the Rat’s den, and expose the secrets that she had so often hinted were hidden there.

He clenched his hands as he ran. The end! No! Not yet! Not until they had him, and they had not got him yet! He did not know which way to turn; but while he still had his freedom there was still the hope of running down the murderer of David Ellsworth—and there were the proceeds of that robbery now, most of them, in the Rat’s den. That was what seemed to stand out as immediately vital now—to get those things—that money and those rubies. He had staked everything on the hope that some day he could hand over to justice both the proceeds of that crime and the murderer as well—hand them over together, as a complete vindication of his own name—and even now, in this hour that seemed blackest of all, he still dared to cling to that hope. He knew who the murderer was, and he had already recovered a large share of what had been stolen. He still hoped to find the murderer, and he still hoped to find the remainder of those rubies, and so carry out his original plan. His jaws locked. His mind was made up. He would go! And, yes, he had far better than an even chance of getting there in time. She would take longer to reach the police and lead them to the den than it would take him to reach it—thanks to the car that, grim irony! he had stolen on her account. Afterward his position would be desperate enough; but now, without an instant’s loss of time, he had to gain the den and get away again before they trapped him there.

He reached the car. The old night watchman had evidently retired inside the building again, for there was no sign of the man. He experienced a certain sense of relief at this, as he cranked the obsolete machine; and then he was in the driver’s seat again, and the car was roaring along the road. He drove fast, with mad haste, with reckless disregard for the ill-lighted road. There could be no accident comparable in disaster to his failure to put the miles behind him swiftly enough to insure him the few minutes leeway he asked for in the den.