Chapter 1

LIST OF ILLUSTRATIONS

"Raise him up!" Skip shouted, and in another instant Fred was suspended over the old shaft _Frontispiece_

Fred set off at full speed, and almost immediately a shout went up from the rioters: "The sneaks are sending for help! Stop that boy!" 74

"You four are to act as sentinels," said the superintendent. "Study this map and you will hit upon a scheme" 95

"Please don't drag me off," Skip said, piteously. "I'll never hurt you or anybody else again" 128

DOWN THE SLOPE