...e, was with Admiral Buchanan on the ram Tennessee, and rendered valuable and conspicuous service. When Fort Pillow was evacuated by the Confederate forces, the gunboat Pontchartrain, commanded by Lieut. John W. Dunnington , which constituted a part of the fleet commanded by Capt. Geo. N. Hollins, provided for the defense of the Mississippi river, was run up White river. At an earlier date, Lieutenant Dunnington had p...