His companion left the car and went to the car in the rear, which was the smoking-car.
Half an hour passed, and then a stout, thick-set man of thirty-five entered the car and walked through it, looking at the passengers as he passed along.
He paused in front of Robert's seat.
"Young man," he said, "show me your watch."
Robert looked at him in astonishment.
"What do you mean?" he asked.
"I mean that I have had my watch stolen, and I am sure some passenger has taken it."
"What kind of a watch was it?"
"It was a gold watch. Have you such a watch about you?"
"Yes, but——"