He led the way back to his room and resumed the delicate task of tying his dress bow.
"How long have you been here?" asked Mr. Mann.
Frank looked at him inquiringly.
"How long have I been here?" he repeated. "I cannot tell you the exact time, but I have been here since a short while after lunch."
Mr. Mann was bewildered and still unconvinced.
"What clothes did you take off?"
It was Frank's turn to look amazed and bewildered.
"Clothes?" he repeated. "What are you driving at, my dear chap?"
"What suit were you wearing to-day?" persisted Saul Arthur Mann.