At last they came out on a hill which commanded a view of the country, and halted, with an exclamation of delight at the magnificant sight spread out before hem. The sun was now half-way up in the sky, and shining with a brightness which seemed divine after the long period of drenching showers. Its light was reflected in brilliance from thousands of sabers and accouterments and the waving of flags of the cavalry divisions which filled the country as far as the eye could reach. Ascending the slope at the farther side of the valley was a skirmish-line, two miles long, of dismounted cavalry men, from which rose wreathes of smoke as it pressed steadily forward up the hill against the rebels ensconced there. In the green fields on either side of the road, and in the road itself, were regiments and brigades of horsemen, massed up solidly, impatiently waiting for the progress of the skirmishers to bring about the moment when they could be hurled against the enemy in a mighty avalanche of war. Bugles were sounding, flags flying, and all was intense, high-wrought, exciting animation.

The boys gave a cheer of exultation at the sight. Suddenly two little regiments separated themselves from the rest, drew sabers, and, with bugles sounding the charge and the men yelling, rode straight at the infantry and the batteries defending the crest of the hill. The rebels broke before the cavalry could reach them, and began a wild flight, with infantry, cavalry and artillery mixed in wild confusion, and our horsemen swooping down on them, capturing horses, men and cannon.

On everybody swept until the crest was gained which commanded a view of Shelbyville and its famous intrenchments. From these cannon thundered out, and long lines of infantry could be seen hurrying into the works to repel the audacious horsemen. Si and Shorty held their breaths, for it seemed that nothing but destruction awaited the cavalry in those awfully-planned defenses. But the cavalry thundered on with a headlong speed. Artillery galloped up on our side, to answer that in the works, and the boys lost speech in amazement at seeing the horsemen tear through the wide abatis and jump the high breastworks, while the defenders streamed back in rout into Shelbyville, pursued every step with yell and blow by the furious cavalry. Then came the noise of terrible fighting in the streets of Shelbyville. Jo Wheeler was massing every cannon that could be brought up to him in a desperate effort to hold the town, at least, until Forrest could come to his help, or he could make an orderly retreat across Duck River. But, bitterly as he fought, the Union troopers fought still more savagely. They simply would not allow the thought of successful resistance, and wave after wave of fierce charges followed so rapidly that Wheeler's men broke and fled for safety into and across the river.

The boys yelled themselves hoarse as they saw the stream of rebel fugitives pour across the river and seek safety in the country beyond.

"Well, Shelbyville is ours at last, after all this waiting and marching and manuvering," said Si, in a tone of intense exultation. "And the cavalry took it. Wish it had been the 200th Injianny Volunteers. I've always looked down on the cavalry, but I won't do so any more. I wish the 200th Injianny was mounted. My gracious, wasn't it grand the way those fellers just galloped over everything in sight breastworks, forts, batteries, felled timber, and lines of infantry."

"Yes," assented Shorty. "I wouldn't 've missed the sight for the best farm in the Wabash bottoms. It was worth marching 10 days in the mud and rain to see."

"Here, Corporal," said a Cavalry Lieutenant, riding up, "I want you to take charge of these prisoners with your squad, so we can go back and get some more. The woods are full of them. I'll make out a receipt for you to sign. I think there's just 100 of them. Count them over for yourself."

"Sure," said Si, springing forward.

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CHAPTER VII. THE EXCITING ADVANCE TULLAHOMA