"What is it?" she asked.
He stepped toward the curtain; it moved perceptibly.
"Some one has been listening," exclaimed Miss Van Rolsen excitedly.
"Yes, some one." Significantly. As he spoke he threw back the curtain and revealed the door partly ajar.
"It must have been—Not one of my old servants—- They would not have—"
He stopped her. "There's the front way out of this house and the area way below," he said rapidly. "Is there any other way of escaping to the street?"
"No."
He darted out of the room to the front door. She followed.
"Quite in time!" he said, casting a quick look both ways along the avenue and then letting his glance fall to the servants' entrance below.
"You think he will try to—"