...nst debility and sickness, and how faithfully he was doing his duty, in spite of all depressing influences. Seabrook Island, South Carolina, July 10, 1863. They are banging away furiously on Folly Island . About five o'clock this morning the fire commenced, and it has been very heavy down to this time, seven A. M. Every regiment in the department, but two or three, is up there on Folly. Six compan...