He was tempted to rise and run, but his will held him back from such folly.

His unknown enemy could pursue, because his boots left a deep trail in the soft earth.

That was why he had been able to follow again in the morning.
He crept back some distance from the river and then, rising, retreated cautiously up the stream.

He caught glimpses of the water twice through the bushes, and each time the canoe was moving up the river also, one man paddling and the other, rifle on his arm, watching the western shore.
Dick had a feeling that he was trapped.

Colonel Winchester had been wise to make him wear his uniform, because it was now certain that he was going to be taken, and death had always been the punishment of a captured spy.