“What is it?” cried Frank, first of the aroused camp to gain Farnum’s side.

Then his glance took in the situation.

“Look here, those fellows might pick off Art and Dick before they can gain safety, even if they don’t succeed in cutting them off,” he said. “Let’s get our rifles, fellows, and open fire. A long shot, but they’re coming closer.”

“Anyway, it will make them draw in their horns,” said Farnum. “Tell you what, you boys run and get the rifles, and Mr. Hampton and I will launch one of our canoes. We’ll go out to help Dick and Art, if those fellows keep closing in on them.”

The three boys sped away, nothing loath, but when they returned they found Farnum’s plan unnecessary. As the two canoes had swept along, Dick, who was in the stern, suddenly had thrown down his paddle, and taken up his rifle, while Art had swung the canoe about with one dexterous stroke. Dick immediately had opened fire, and Art had followed suit.

The boys heard the shots as they ran down towards the shore. When they reached the sand they found Lupo’s men already had faced about and were hurrying towards the mainland. One of their number evidently was hit.

“Main good shootin’ at long range a’ so quick after paddlin’,” commented MacDonald appreciatively.

Content with having beaten off their enemies, the two desisted, resumed their paddles and soon were within hailing distance. Greetings and congratulations were exchanged, and Dick and Art ran their canoe on shore. As soon as the first hubbub of exclamations died away, Mr. Hampton led the way to the camp. MacDonald put the coffee pot on the fire and between draughts of the strong, hot liquid Dick told their story.

After leaving the previous camp, they had gone back to where they seen Lupo break camp and start on the back trail. The meaning of this move, they had discussed. It seemed to them folly to believe Lupo was relinquishing the chase. They believed he would suspect Mr. Hampton and Farnum would spy on him, and was merely trying to throw them off guard by creating the impression that he was abandoning the chase. Therefore, they had gone warily, convinced that at the end of a short withdrawal Lupo would call a halt and prepare to ’bout face.

This suspicion proved correct. Some two miles farther on they discerned the four canoes of the half-breed halted alongshore while Lupo harangued their occupants.