For half an hour they had lain thus, neither daring to take sight. Buck could not leave the shelter of the bowlder because the high ground behind him offered no cover; but the hunter, tiring of the fruitless wait, wriggled back into the crevice, arose and slipped away, intending to crawl to the edge of the mesa further down and get in a shot from a new angle before his enemy learned of the shift; and this shot would not be a blunder. He had just lowered himself down a steep wall when the noise of rolling pebbles caused him to look around, expecting to see his friend. Bill was just turning the corner of the wall and their eyes met at the same instant.
"'Nds up!" snapped the youth, his Colt glinting as it swung up. The hunter, gripping the rifle firmly, looked into the angry eyes of the other, and slowly obeyed. Bill, watching the rifle intently, forthwith learned a lesson he never forgot: never to watch a gun, but the eyes of the man who has it. The left hand of the hunter seemed to melt into smoke, and Bill, firing at the same instant, blundered into a hit
