He wondered at that sight for only an instant; then, as the meaning drove home to him, he wheeled and raced down the valley. This was the explanation of the Enemy's move towards the throat of the cañon! He passed the mares like a red streak of light, his ears flagging back and his tail swept out straight behind by the wind of his gallop. He rushed about the next turn of the cliff and saw that the race had been in vain--the Great Enemy was spurring his reeling cowpony into the mouth of the Little Smoky gap! The chestnut made his calculations without slackening his pace. The man was in the valley, but he had not yet reached that narrow throat where his lariat was of sufficient radius to cover the space between the wall of the cañon and the stream. However, he was in excellent position to m

