Back of the chuck wagon the eastern sky grew rapidly brighter, and suddenly daylight in all its power dissipated the grayish light of the moment before. As the rim of the golden sun arose above the low sand hills to the east the foreman rode into camp. Some distance behind him Harry Jones and two other C80 men drove up the horse herd and enclosed it in a flimsy corral quickly extemporized from lariats; flimsy it was, but it sufficed for cow-ponies that had learned the lesson of the rope. "All ready, Buck," called Harry before his words were literally true. With assumed ferocity but real vociferation Buck uttered a shout and watched the effect. The cocoons became animated, stirred and rapidly unrolled, with the exception of one, and the sleepers leaped to their feet and folded the blankets. The exception stirred, subsided, stirred again and then was quiet. Buck and Red stepped forward while the others looked on grinning to see the fun, grasped the free end of the blanket and suddenly straightened up, their hands going high above their heads. Johnny Nelson, squawking, rolled over and over and, with a yell of surprise, sat bolt upright and felt for his gun. "Huh!" he snorted. "Reckon yo're smart, don't you!" "Purty near a shore 'nuf pin-wheel, Kid," laughed Red. "Don't you care, Johnny; you can finish it to-night," consoled Frenchy McAllister, now one of Buck's outfit. "Breakfast, Kid, breakfast!" sang out Hopalong as he finished drying his face. The breakfast was speedily out of the way, and pipes were started for a short smoke as the punchers walked over to the horse herd to make their selections. By exercising patience, profanity, and perseverance they roped their horses and began to saddle up. Ed Porter, of the C80, and Skinny Thompson, Bar-20, cast their ropes with a sweeping, preliminary whirl over their heads, but the others used only a quick flit and twist of the wrist. A few mildly exciting struggles for the mastery took place between riders and mounts, for some cow-ponies are not always ready to accept their proper place in the scheme of things. "Slab-sided jumpin' jack!" yelled Rich Finn, a Double Arrow puncher, as he fought his horse. "Allus raisin' th' devil afore I'm all awake!" "Lemme hold her head, Rich," jeered Billy Williams. "Her laigs, Billy, not her head," corrected Lanky Smith, the Bar-20 rope expert, whose own horse had just become sensible. "Don't hurt him, bronc; we need him," cautioned Red. "Come on, fellers; gettin' late," called Buck. Away they went, tearing across the plain, Buck in the lead. After some time had passed the foreman raised his arm and Pete Wilson stopped and filled his pipe anew, the west-end man of the cordon. Again Buck's arm went up and Skinny Thompson dropped out, and so on until the last man had been placed and the line completed. At a signal from Buck the whole line rode forward, gradually converging on a central point and driving the scattered cattle before it.