...sted of all the light-draft steamers, light gunboats, and eight thousand troops. The object supposed to be an attack on Savannah, commencing with Fort Pulaski. Official despatches received at St. Louis, Mo. , from the expedition sent from Cape Girardeau to Benton and Bloomfield. It captured Lieutenant-Colonel Farmer and eleven other officers and sixty-eight privates, with a quantity of arms, horses, sa...