Three youths went flying toward the edge of the lake as though propelled by unseen hands. They seemed to have ropes attached to their legs, ropes which were being pulled from below.

Then three well-dressed lads were struggling in the water, while five other youths stood up in the shallows looking on.

"I guess we turned the tables that time," remarked Jack.

CHAPTER VII

FOILING A PLOT

"Save me! Save me!" yelled Adrian Bagot.

"I'm drowning!" screamed Ed Simpson.

"I'm sinking!" shouted John Higley.

The three conspirators were floundering about in the water. Because of the rope nooses about their feet their efforts to stand upright were not entirely successful.

"Who did this?" inquired Bagot angrily, as he tried to get rid of a mouthful of water.