A LINE in long array, where they wind betwixt green islands;They take a serpentine course—their arms flash in the sun—Hark to the musical clank;Behold the silvery river—in it the splashing horses, loitering, stop to drink;Behold the brown-faced men—each group, each person, a picture—the negligent rest on the saddles;Some emerge on the opposite bank—others are just entering the ford—while,Scarlet, and blue, and snowy white,The guidon flags flutter gaily in the wind.