Under the chair on which Jenks stood ran the mouse. Scotch knocked the chair over, and Jenks uttered a wild shriek as he came down astride the little professor's neck. Then both rolled against the center-table, which was upset.
Down came Nancy, like a balloon, nearly smothering the two professors, upon whom she alighted.
This was too much for Tad Jones, who burst into a shriek of laughter, jumped out, and extinguished the light, and shouted:
"Skip, fellows—skip!"
Frank and Hans lost no time in leaving their places of concealment and hustling out of the room, abandoning the two professors to their fate.
CHAPTER XXIII.
SKATING FOR HONORS.
"I nefer seen der peat uf dot alretty yet," declared Hans, as he and Frank were hurrying back to the academy. "Uf dot don'd peen der piggest racket vot nefer vos, you dunno vot I vos talkin' apout."
"If it is found that we know anything about it, we will be sure to get into trouble," said Frank. "Should anybody question you, why you must be ignorant as a mule."