"Pete!" he called, and from the greasewood another man arose and hurried toward him.

"Look!" Drummond cried exultantly, pointing to the burned paper. "There's what's left of the copy he was making. And here's his gun—he used it to weigh down the copy when he raced away after the whirlwind. Run for the horses. We'll get after him and get the original away from him, if he gets it. Then, if Hank gets Filer—which he certainly will—we'll have the only copies in existence!"

Pete, the bosom friend of Tehachapi Hank, turned about and ran up toward the fringe of junipers that concealed their horses, brought down the day before from the mountains. Drummond, while he waited, gazed after the strange chase, and noted that the fleet black mare was steadily overtaking the moving funnel of dust which represented the whirlwind.

"By golly, if he can ride into the thing and break it, or keep up with it till it breaks itself, he'll get the sheepskin!" Drummond muttered. "But he won't keep it. He's left his gun. He's our meat now!"

Then Pete rode up rapidly, leading Drummond's mount, and next moment they were on the dead run in pursuit of Hiram.

Time and again, as they drew nearer, they saw Hiram deliberately riding the mare through the whirlwind, trying to break it. The thing seemed a devil, alive and diabolically bent on eluding him. It changed course from right to left, but the cow pony was as quick as it was; and it seemed to the racing spectators that she enjoyed the game. Hiram was so intent on his task, so frequently blinded by the whirlwind, while his ears were filled with its roar, that to ride almost upon him without his knowledge of it was an easy task for Pete and Drummond.

They were very close to him, then, when at last the mare's lunges broke the whirlwind, and a scattered cloud of dust hid horse and rider. Whether or not Hiram had rescued the paper they could not tell, but they spurred their horses on.

The dust settled, and close at hand they saw Hiram, dismounted. At the same instant he seemed to hear the thunder of hoofs, and glanced their way. He took a couple of steps and grasped his mare's bridle, and was standing unconcernedly at her head When they raced up, both training sixshooters on him.

"Stick 'em up, Hooker!" ordered Drummond. "This means business at last."

Totally unarmed, Hiram grinned and slowly elevated his hands.