Hi Lang had reached the scene just as the last shots were being fired by Grace and her adversary. The guide had seen neither of the combatants, but he had seen the flashes of their revolvers.

At first he was not certain which was which, but in a moment the man who had been shooting at Grace revealed himself for a second. It was then that the guide took a hand.

Hi Lang was a quick and accurate hand with both revolver and rifle, and he feared no man, nor collection of men. At his second shot he heard his man utter an exclamation and knew that he had scored a hit. For the next several minutes the two indulged in snap-shooting, firing at the slightest sound or movement; then the mysterious stranger suddenly ceased firing.

The guide was cautious. He did not take advantage of the lull in hostilities for some little time, and when he did he crawled to one side and crept noiselessly around to the position that the stranger had occupied when he had fired his last shot. The man had disappeared.

Mr. Lang was anxious about Grace Harlowe, but it might be equivalent to suicide to search for her until he had satisfied himself that his adversary was either wounded or had gone away. Finally, having searched all the surrounding bushes and rocks and finding no one, he returned to the scene of the shooting, softly calling to the Overland girl.

There was no response.

Hi stood still for a moment trying to recall where he had seen the flash of her weapon.

"It must have been about where I am standing now. I—"

Hi Lang suddenly disappeared from sight. The guide had fallen into a crevice in the rocks, a crevice that had been hidden by dwarf shrubs and mountain grass, and it seemed a long way to the bottom. Hi bumped his way to the bottom at the expense of some bruises and a badly ruffled temper.

"Hulloa!" he exclaimed. "What's this?"