"Not much chance of that," said Colonel Winchester. "The Virginians know their own ground and the lurking sharpshooters won't fire until they're sure of a safe retreat." But as they advanced the stinging fire became worse. There was no Southern force in this part of the country strong enough to meet them in open combat, but there was forest and thicket sufficient to shelter many men who were not only willing to shoot, but who knew how to shoot well. Yet they never caught anybody nor even saw anybody. A stray glimpse or two of a puff of smoke was the nearest they ever came to beholding an enemy. It became galling, intolerable. Three more men were killed and the number of wounded was doubled. The three colonels held a consultation, and decided to extend groups of skirmishers far out on either flank. Dick was chosen to lead a band of thirty picked men who rode about a mile on the right, and he had with him as his second, and, in reality, as his guide and mentor in many ways, the trusty Sergeant Whitley. It was altogether likely that Colonel Winchester would not have sent Dick unless he had been able to send the wise sergeant with him. "While you are guarding us from ambush," he said to Dick, "be sure you don't fall into an ambush yourself." "Not while Whitley, here, is with us," replied Dick. "He learned while out on the plains, not only to have eyes in the back of his head, but to have 'em in the sides of it as well. In addition he can hear the fall of a leaf a mile away." The sergeant shook his head and uttered an emphatic no in protest, but in his heart he was pleased. He was a sergeant who liked being a sergeant, and he was proud of all his wilderness and prairie lore. Dick gave the word and the little troop galloped away to the right, zealous in its task and beating up every wood and thicket for the hidden riflemen who were so dangerous. At intervals they saw the cavalry force riding steadily on, and again they were hidden from it by forest or bush. More than an hour passed and they saw no foe. Dick concluded that the sharpshooters had been scared off by the flanking force, and that they would have no further trouble with them. His spirits rose accordingly and there was much otherwise to make them rise. It was like Heaven to be on horseback in the pleasant country after being cramped up so much in narrow trenches, and there was the thrill of coming action. They were going to join Sheridan and where he rode idle moments would be few. "Ping!" a bullet whistled alarmingly near his head and then cut leaves from a sapling beyond him. The young lieutenant halted the troop instantly, and Sergeant Whitley pointed to a house just visible among some trees. "That's where it came from, and, since it hasn't been followed by a second, it's likely that only one man is there, and he is lying low, waiting a chance for another bullet," he said. "Then we'll rout him out," said Dick.