"I've got to make them hear. I simply must make them hear," he said to himself. "They will be beside themselves with worry, believing that I am killed."
Finding that he could not raise his voice sufficiently to carry to the top of the cliff, the lad struggled to his feet and began waving his handkerchief.
At first those above were so busy using their voices that they did not observe the tiny piece of cloth.
They had about given up hope of finding the boy alive, when Ned Rector, who had been anxiously peering into the gorge, suddenly raised himself to his knees.
"I see something moving," he shouted.
The others crowded around him as close to the edge as they dared.
They were able to make nothing of what he saw.
"It's Tad! It's Tad! He's signaling us," cried Ned eagerly.
"Are you sure?" asked the Professor doubtfully.
"Come and see for yourself," answered Ned, grasping the Professor by the arm and rushing him to the edge.
"Be careful! Be careful! You'll have both of us over there, next thing you know."