“Would you like to drive, Mr. Gray?” asked the landlord.

“Yes,” answered Philip, with alacrity.

“Take the lines, then,” said the landlord.

Most boys of Philip’s age are fond of driving, and our hero was no exception to the rule, as the landlord supposed.

“You’ll promise not to upset me,” said Mr. Gates, smiling. “I am getting stout, and the consequences might be serious.”

“Oh, I am used to driving,” said Philip, “and I will take care not to tip over.”

The horse was a good one, and to Philip’s satisfaction, went over the road in good style.

Philip enjoyed driving, but, of course, his mind could not help dwelling on the special object of his journey.

“I hope we are on the right track,” he said. “I shouldn’t like to miss the professor.”

“You will soon know, at any rate,” said Gates. “It seems to me,” he continued, “that Riccabocca made a great mistake in running off with that money.”