The boy put a trembling foot upon the wooden planking. The next instant, with a strangled cry, he leaped toward the man and, even as he leaped, found himself pulled back violently.

“It moved, Uncle David.”

“I thought so.”

“What does it mean?”

“It means murder,” the blind man said grimly.

Joe wiped cold sweat from his forehead. Who was to die? Allan? Who planned it?

“The gypsies, Uncle David?”

“No.” Quietly, without haste, the man filled his pipe. “Remember, they are a clan. The old woman would not have spoken of death if the men of her tribe were concerned in this. Besides, who would hire them for this sort of work and risk paying blackmail all the days of his life? I am concerned with something else. Alec Landry called me to witness their presence should there be mischief. Bruce took pains to explain why he had not driven them off. Both men may have spoken the truth, but it is not likely. One or both of them lied.”

Night had fallen. In the darkness Dr. Stone smoked as placidly as though death and horror were not at his elbow. Lady still kept her body between him and the ravine.

“Two men,” he said, “one with a fortune to gain, one with a crime to cover. Do they work together, or do they work alone? Is one innocent? If so, which one?”