"Stop!"
Frank laid a hand on Bart's arm, and both stood still and listened.
"Where does that seem to be?"
"Merry, that's coming from your room! The thing is in your room!"
Hodge's voice shook, in spite of himself.
Frank dashed toward the open window. But before he could reach it, the sounds ceased. When he looked in, the room was empty. The light was shining, and the door leading to the corridor was closed.
"No one could have got out of that room without our knowing it!" Merriwell whispered. Hodge had reached his side, and both were staring into the room.
"Of course not. The thing is impossible."
"And yet those footsteps sounded right here."
"Let's go in and take another look into the corridor."