A fifth exhibit is a piece of the gate of Hougomont, which was riddled with bullets during the fighting at Waterloo. The last to be mentioned here is a gun used in Mafeking during the siege. This gun, so the description added to the exhibit runs, was made in the railway workshops at Mafeking during the siege. The core is a steel steam-pipe, round which were lapped bars of iron, which were hammered and turned into their present condition. The trunnions and breech are castings of brass. For the castings, a blast furnace was improvised out of an iron water-tank lined with fire-bricks, the draught being forced through the pipe of a vacuum brake off a railway carriage. The shells of the gun were similarly cast, and were loaded with powder, and exploded by a slow match which was ignited by the flame of the discharge. The powder was also manufactured in Mafeking. On one occasion the breech blew out, and was repaired and fixed with the stout iron holding-bands which may be seen connecting the breech to the trunnion-block. The gun was nicknamed "The Wolf" after Colonel Baden-Powell, whose nickname this was among the people of the North. =Regimental Colours.=--Under this heading a number of most interesting relics of the battlefield may be grouped. It is true that specimens are never available for the private collector of military curios, but as most cathedrals and many museums possess examples, we cannot pass them over without some mention. The Royal United Service Museum houses a score or more of these trophies of war, but probably the most attractive are the following:-- 1. Drapeau du 52^e Régiment, formerly Le Régiment la Fére, formed in 1654, taken at Bastia, 1794. It is one of the earliest French colours known to be in existence. It is white, with a tri-colour of blue, white, and red in the upper canton, showing that it belonged to the 1st Battalion. It has also a tri-colour border of blue, white, and red on either of the three edges. 2. Drapeau des Volontaires du Département de la Corse, 1791-4. Also taken at Bastia in 1794. It is a tri-colour of blue, white, and red, the blue being on the top, and then the colours white and red. On the one side, within a wreath, are the words "Viver, Liber. I. O. Morire," in gold, evidently the Corsican patois for "Je meurs pour vivre libre," and on the reverse "Republica Francese." 3. A guidon of the 62nd Regiment, 1812, taken in Wellington's victory over the French at Salamanca. It was brought home and laid at the feet of His Royal Highness the Prince Regent by Captain Lord Clinton, 16th Light Dragoons, Aide-de-camp to the Earl of Wellington.