Another disturbing thought began to grow in his mind. "If those raiders watched me go down the hill, they may consider it a clever trick to drop in on the Kauffman place and loot the house. They know it is unguarded. Perhaps I ought to throw the saddle on old Baldy and ride over there to make sure about it." The more he considered this the more uneasy he became. "They're just about sure to run off the stock, or be up to some other devilment," he said. "They might set fire to the house." In the end he roped his extra horse and set out. Even by the cut-off it was a stiff ride, and it was nearly midnight as he topped the last ridge and came in sight of the cabin. "Hello!" he exclaimed. "Somebody _has_ moved in. I'm just in time." A light was gleaming from the kitchen window, and the ranger's mind worked quickly. No one but members of the raiding-party would think of taking possession of this cabin so promptly. No one else would know that the Kauffmans were away. "That being the case," he said, musingly, "it stands me in hand to walk light and shifty." And he kept on above the ranch in order to drop down through the timber of the canyon. After tethering his horse upon a little plot of grass just west of the garden, he adjusted his revolver on his thigh at the precise point where it was handiest, and moved forward with care. "They mustn't have time even to _think_ fight," he decided. As he rounded the corner of the stable he heard the voice of a girl singing, and the effect of this upon him was greater than any uproar. It was uncanny. It made him wonder what kind of woman she could be who could carol in the midst of the band of raiders. She might be more dangerous than the men. She certainly added another complication to the situation. Listening closely, he was able to detect the voices of at least two men as they joined discordantly in the refrain of the song. It was evident that all felt entirely secure, and the task to which the ranger now addressed himself was neither simple nor pleasant. To take these raiders unaware, to get the upper hand of them, and to bring them to justice was a dangerous program, but he was accustomed to taking chances and did not hesitate very long. Keeping close to the shadow, he crept from the corral to the garden fence and from the covert of a clump of tall sunflowers was able to peer into the cabin window with almost unobstructed vision. A woman was seated on a low chair in the middle of the floor, playing a guitar and singing a lively song. He could not see the men. "I wonder if that door is locked?" he queried. "If it isn't, the job is easy. If it is, I'll have to operate through a screen window."