and saw the automobile go around a corner in the direction of Rockville. But the machine soon came to a halt again, although they did not know it.
"Well, I am going to lay them out for taking that boat, anyway," said the senator's son.
"Ditto here," added Phil.
"Physically or mentally?" queried Dave, with something of a smile.
"Both—if it's necessary," returned the shipowner's son, promptly. It was easy to see he was spoiling for a fight.
"I am going to see what they are doing," said Roger, after another minute had passed. "Maybe they won't come out until they think we have gone away."
He recrossed the street, and peered through one of the show windows of the store. Then, of a sudden, he made a rapid motion for his chums to join him.
"They are going out by a back way!" he cried. "The sneaks! They intend to give us the slip!"
"They shan't do it!" exclaimed Phil. "Come on!" And he set off on a run, with the others at his heels. They turned one corner and then another, and soon reached an alleyway between two houses located on a street behind the store. Here they plumped squarely into Merwell and Jasniff, each with a bundle under his arm.
