Without a word the lineman led the way to the adjoining house. He seemed to be laboring under some emotion, as if he was trying hard not to laugh. He knocked at the door, and a man answered the summons. Bart and Fenn started back. There stood the mysterious person who had eluded them so often--the man they believed had taken the diamond bracelet belonging to the professor's wife! On his part the mysterious individual seemed anxious to run away at the sight of Bart and Fenn.