on the flank of the men serving the gun on the road, and with no obstruction between us and them. When we reached the south-west corner of the enclosure before described, I saw some United States troops pushing north through a shallow ditch near by, who had come up since my reconnaissance. This was the company of Captain Horace Brooks, of the artillery, acting as infantry. I explained to Brooks briefly what I had discovered and what I was about to do. He said, as I knew the ground and he did not, I might go on and he would follow. As soon as we got on the road leading to the city the troops serving the gun on the parapet retreated, and those on the house-tops near by followed; our men went after them in such close pursuit—the troops we had left under the arches joining—that a second line across the road, about half-way between the first and the garita, was carried. No reinforcements had yet come up except Brooks′s company, and the position we had taken was too advanced to be held by so small a force. It was given up, but retaken later in the day, with some loss.
Worth′s command gradually advanced to the front now open to it. Later in the day in reconnoitring I found a church off to the south of the road, which looked to me as if the belfry would command the ground back of the garita San Cosme. I got an officer of the voltigeurs, with a
