increasingly evident, however, how difficult it was to keep track of the entire band. Only the gregarious instinct of the animals maintained their formation at all: in the dense woods he could see only a small part of the flock at one time. He had no way of knowing if various detachments had not already wandered away from the main band. Of course he didn't know the methods by which most herders guard against this danger: by an approximate count achieved by keeping track of the black sheep, or markers. It seemed to him also that the wolves and other predatory animals had every opportunity in the world to lurk about the flanks of the flock and steal the lambs. The truth was that losses were sustained in this manner every day, and his presence alone prevented a wholesale slaughter.
About ten he decided it was time to turn the sheep. They had been moving since before dawn: he wanted to give them time in plenty to get back to the camp before night. He didn't know how many rests they would wish to take in the afternoon.
He made a big circle about the flock, turning back at its head. He supposed that he could make the animals wheel straight about in a to-the-rear march, permitting those at the rear of the main band to get first chance at the feed on the way home. The way of sheep, however, is different. They executed what was more nearly a squads right, keeping the same leaders. The
