"Good night, inspector," he drawled. "I cut the opera to take in this example of police efficiency. I hope my society, on its own initiative, will be able to make more progress with the case. Maybe I'll find some amusement chatting with the lieutenant at the station house. At least I can learn from the police what sins to omit."
The inspector strangely, did not answer. Manford lighted a cigarette, grinning, and strolled down the steps.
Garth marvelled at the inspector's lack of belligerency. He looked at him more closely. The big man's jaw had fallen. He stared without purpose at the blank walls. The picture made Garth afraid. He grasped the inspector's arm. He drew him to one side.
"How were you so sure?" he asked under his breath. "Because Nora gave you this number?"
The inspector shook his head. His great shoulders trembled.
"No. She had no number to give me. But this afternoon I saw her enter this house. I watched the door close behind her, and, Garth—she has never come out."
Garth with frantic haste explored the place himself from roof to cellar. There was no question. It had remained uninhabited for many months, perhaps years. Yet Nora had told her father that, while its location had been kept from her, she had arranged a certain entry to the evil house that after-
