...y kept up through most of the year, eliciting fitful responses from Rebel forts and batteries, there was no movement of importance; save that, in July, four brigades (Birney's, Saxton's, Hatch's, and Schimmelfennig 's) were quietly assembled from the sea islands held by us and from Florida, pushed over to Seabrook island, and thence, attended by two gunboats on the North Edisto, to John's island, and so to a p...