... permitted to rest until about four o'clock on Saturday morning, the enemy having rallied, vigorously assailed them. The foe was repulsed, but Gen. Stuart deeming it prudent to retire, fell back to Warrenton Springs, a little after daylight. The party also captured a mall which had been made up to send to Washington, by Gen. Pops. This was sent back to Gen. Lee, and is to contain some important reve...