...ish iron-screw steamer Douro, of Liverpool, laden with cotton, turpentine, and to-bacco, from Wilmington, N. C., was this day captured in latitude 33° 41‘ N., longitude 77° 2 W., by the United States gunboat Quaker City. To-day a skirmish took place near Bolivar, Tenn., between a detachment of National troops and a band of guerrillas, in which the latter were routed and eighteen of their nu...