We tramped along the main high road which leads over the Danube directly south out of Ingolstadt, and after walking for well over an hour we began looking about for some signs of a camp, but could see nothing resembling our previous ideas of one. The guard informed us, however, that we had only 200 metres to go, and soon we turned sharp to the right towards the mound before mentioned. We then saw a sentry on one of the two battery positions which flanked the fort, and another on the top of the mound. In another minute or two we came to an iron door in a half-brick, half-earthen wall. Our guard looked through a peep-hole in this and said we could not go in yet, as Appell was taking place. I had a look through the peep-hole. Some 40 yards across a sort of courtyard was a moat, about 15 yards broad, over which there was a roadway with a heavy iron and wire gate, guarded by a sentry. The road led over the moat into another courtyard, at the back of which was a brick wall about 20 feet high with half a dozen large iron barred windows in it. On[63] the top of the wall was some 40 feet of earth sloping backwards and upwards to the center "caponni