A flitting shadow out of shadows. Nalik'ideyu pressed against Travis' legs, making a barrier of her warm body, attracting his attention to a spot at the left perhaps a hundred yards on. There was a great splotch of dark there, large enough to hide a really formidable opponent; that wordless communication between animal and man told Travis that such an opponent was just what was lurking there.

Whatever lay in ambush beside the upper track was growing impatient as its destined prey ceased to advance, the coyotes reported.

"Your left—beyond that pointed rock—in the big shadow—"

"Do you see it?" Tsoay demanded.

"No. But the mba'a do."

The men had their bows ready, arrows set to the cords. But in this light such weapons were practically useless unless the enemy moved into the path of the moon.

"What is it?" Kaydessa asked in a half whisper.

"Something waits for us ahead."

Before he could stop her, she set her fingers to her lips and gave a piercing whistle.

There was answering movement in the shadow. Travis shot at that, his arrow followed instantly by one from Tsoay. There was a cry, scaling up in a throat-scalding scream which made Travis flinch. Not because of the sound, but because of the hint which lay behind it—could it have been a human cry?