Penny could not restrain her news an instant longer. She half expected that her father would scold her for the taxicab escapade, but to her surprise he became mildly excited.
"Can you give me an accurate description of the man, Penny?"
"He was about five and a half feet in height and wore workman's clothes."
"Undoubtedly, a disguise," the detective interposed.
"His eyes were dark. The expression of his mouth was sullen. His teeth were uneven."
"Did you notice a scar on his cheek?"
"No."
"The mark isn't really significant, for Rap Molberg would be clever enough to hide it. Did you observe anything more?"
"He seemed extremely nervous. And the telephone conversation made me suspicious. Oh, yes, when he drove away I copied down the license number."
"Let me see it," Mr. Nichols said eagerly.