The doctor glanced at him for an instant, and then said:

“An hour ago you would have told me that he could not get into the cellar at all. Go to the street, and watch the front door.”

Geary departed without saying a word.

Then the doctor turned to Gilmore.

“Isn’t it about time the boys were back from Forty-third Street?” he asked.

“I think not,” was the reply. “Have you any fears as to the result down there?”

“None whatever,” was the answer. “Even if Parks and Nixon made a mess of it, my roommate will straighten them out.”

“He will be there, of course?”

“Yes.”

“In the flat across the airshaft?”