"We'll make him," and the doctor's son raised his shotgun significantly.
"That's so; I forgot about our guns. Of course he'll come in if we threaten to shoot him."
The boys quickened their footsteps and soon reached a point opposite to where the rowboat was moving along.
"Hi, you, stop!" yelled Shep loudly. "Stop, I say!"
At the command the boy in the boat ceased rowing and looked around curiously.
"Who called?" he asked in a low but distinct voice.
"I did," went on the doctor's son. "Turn in here with that boat and be quick about it. What do you mean by running off with our property?"
"Why, I declare!" gasped Snap as he caught a good look at the face of the lad in the rowboat. "Shep, do you recognize him? He's the lad from the circus—-the young acrobat who ran away!"