"What is your opinion, Mr. Clement?" asked a man in the crowd.
Clement was puzzled, and said nothing.
"Who was that hatless and hugely-whiskered rider?" said Toney to the Professor.
"It is a mystery yet to be solved," said the Professor, as he took Toney's arm and walked with him to the latter's office.
CHAPTER XXXI.
"What may be the subject of your meditations?" said Toney to the Professor on the following morning, as he dodged aside to avoid coming in collision with the latter, who was walking with his gaze apparently fixed on the toes of his boots.
"I beg pardon!" said the Professor, with a look of surprise. "I had no intention of converting myself into a battering-ram. I am in no belligerent mood, I assure you. To tell the truth, Toney, I am very sad."
"What may be the cause of your melancholy?"