... Captain Duff, with forty men of the Seventeenth Mississippi, who had been picketing the river near Smart's mill, a short distance above the Bluff. Devens undertook their capture, by attacking with Philbrick 's company in front, and sending his other companies around their flanks. The net was spread in vain in sight of such a bird as Duff. Retiring a few hundred yards to a better position, Duff's men...