"It's mighty curious," Bart grimly observed.
"I have a feeling that we will learn to-night just what it is," said Merriwell.
Frank occupied his old room, and sat at the window with Hodge, while Diamond, Rattleton, and Bruce remained in the office. The doors leading to the corridor were at first closed. Merry looked at his watch after the lights were put out in the part of the building occupied by the landlord and his family.
"It ought to be coming around again pretty soon," Bart remarked, finding it impossible to escape a queer, uneasy feeling, anxious as he was to see the specter, and determined as he was to effect its capture if it again appeared.
As he said it, the sounds of those mysterious steps were again heard in the corridor, and they heard the occupants of the office fling open the door.
"You weren't walking in here?" Diamond demanded.
"Not on your life!" Bart answered.
"But we heard some one!"
"Of course you did, and so did we. And we heard it last night!"
Rattleton and Bruce came on through into Merriwell's room.