ing the plaster from the ceiling below. He was in the midst of the stamping when the door of the room was thrown open and somebody came in.
"Stop that noise, or I'll knock you down!" said a sharp voice, and at the same instant a strong hand was placed on his shoulder, and he was given a vigorous shake.
Dave was surprised, for the voice was not that of Doctor Montgomery, neither did it belong to Merwell nor Jasniff. Yet, in some way, the voice sounded familiar.
"What are you going to do with me?" demanded Dave, as he stopped his stamping.
"You'll find that out later, Porter. Now keep quiet,—if you know when you are well off."
"I want to know now. You have no right to treat me in this fashion. I'll have you and Doctor Montgomery put in jail for it."
"You shut up!" cried the stranger, and he gave Dave a shove that sent him back on the bed. "You make any more noise and I'll quiet you in a way you won't like!" And then the fellow left the room again, and the door was locked as before.
Feeling that he might be attacked and seriously injured if he kept up the noise, Dave remained quiet, and thus the remainder of the afternoon passed. As night came on the room became dark and extra cold, and he shivered in spite of himself.
"If they leave me here all night I'll be frozen
