"You've got no right to hold me!"
"Well, we'll take the right," said Roger, calmly. "Now, Nat, do as Dave told you."
There was no help for it, and with very bad grace the money-lender's son drew from his pocket a silk handkerchief and removed what he could of the fluid from Caspar Potts's clothing. Many spots remained.
"I am afraid the suit is ruined," said the aged professor, sorrowfully. "Anyway, it will need a thorough cleaning."
"If it is ruined, Nat can pay for it," said Dave, firmly.
"I'll pay for nothing!" grumbled the boy who had done the mischief. He was short of spending-money, and knew how hard it was to get an extra dollar from his parent.
"He certainly ought to pay for it," said Caspar Potts. "Some men would have him locked up for what he has done."
"Humph! Don't talk foolish! It was only a little fun!" grumbled Nat. "I didn't mean any harm. You can easily get those spots out of your clothes."
"Did he do anything else to you?" asked Dave of the professor.
"Yes, he plagued me a good deal, and he shoved me down in the cow-yard," was the reply. "I was hoping some one would come to drive him
