The engine sputtered and spit as if showing its displeasure at being made to work when not in perfect condition. The R.P.M.’s steadily dropped until it was doubtful if any power at all was being obtained. Meanwhile the plane continuously lost altitude. Bill scanned the terrain ahead, vainly seeking the burnt-over area. He knew that if it did not show up soon that he could never make it, for they were now gliding along with an almost dead engine.