...panies are actually necessarily doing heavy artillery service in batteries on Sullivan's Island and elsewhere—3767 heavy and light artillery, and 1171 cavalry. In the works and lines around Savannah are 1888 nominal infantry, 2295 heavy and light artillery, and 1738 cavalry, leaving 984 infantry, 847 light artillery, and 2244 cavalry to hold the line of the Charleston and Savannah Railroad; and ...