...e have observed, Gillmore was on the James River, and all was quiet around Charleston. At the beginning of July, the four brigades of Birney, Saxton, Hatch, and Schimmelfennig, were concentrated on John's Island , and, with a gun-boat on the North Edisto, made some demonstrations against Confederate works there, but with no advantageous result. The Twenty-sixth United States negro troops, Colonel Silliman, ...