bunched pursuers kept a continual friction back and forth. The leaders reined in to keep back with the mass of the posse, and those in the rear by dint of hard spurring would rush up to the front in turn until some spirited nag challenged for the lead, so that there was a steady interplay among the fifteen. Their gait at the best could not be more than the pace, of their slowest member, but even that pace was diminished by the difficulties of group riding. Yet Mark Retherton refused to allow his men to scatter and stretch out. He kept them in hand steadily, a bunched unit ready to strike together, for he had seen the dead body of Pete Glass and he kept in mind a picture of what might happen if this fellow should whirl and pick off the posse man by man. Better prolong the run, for in the end no single horse could stand up against so many relays. Yet it was maddening to watch the stallion float over hill and dale with that same unbroken stride.
Once and again he sent the fresh horses from Wago after the fugitive in a sprinting burst, but each time the black drifted farther away, and mile after mile Mark Retherton pulled his field glasses to his eyes and strained his vision to make out some sign of labor in the gait of Satan. There was no change. His head was still high, the rhythm of his lope unfaltering.
But here the Wago Mountains—not more than ragged hills, to be sure—cut across the path of the outlaw and in those hills, unless the message which waited for him at Wago had been false, should be the men of
