So interested was Ben that he remained in the secluded spot for more than an hour, watching the movements of Bob, who was in sight all the time. Occasionally the watching Ben almost laughed aloud, and frequently uttered exclamations expressive of his astonishment or pleasure,--any one who might have heard him could hardly have told which,--but at last he retraced his way through the woods to the spot where he had left his canoe.