This was fought about twenty miles beyond the last engagement, that of Montebello; and the chief honor of the day belongs to the French. That battle was the first in which rifled cannon and electrical telegraphs were ever brought into use; and both were proved successful in the highest degree. Louis Napoleon was the inventor of the former; and their efficiency was strongly doubted and even denied by many scientific and practical men; but it was established beyond future question by the experiment of that day. The French had also a corps of electricians among them, with apparatus prepared for the establishment and change of lines of telegraphic wires wherever troops were stationed; and these proved of eminent service in conveying orders and information between the positions. THE RIVER MINCIO. The banks of the Mincio are, as it were, formed for military scenes. From the source of the river, down almost as far as Pozzolo, the river winds through a succession of hills, rushing close to their base on one side, and leaving fine open meadows on the other. At some points the hills approach on both sides, and form a kind of gorge or neutral ground, where the river is kept within proper bounds, and not allowed to encroach on either side. Perhaps the most picturesque spot on the whole river is here, between Borghetto and Vallegio. Two large semi-circles of hills are opposed to each other, the direction of them being the bend of the river on this spot; they intersect each other about their centre, and a little below this point are the two villages of Borghetto and Vallegio. The latter is behind the hills on the left bank; only two mills, a church, and a little mediæval tower, erected on one of the lower spurs, stand close to the water's edge. Borghetto has, likewise, only a few detached houses on the banks of the river, the rest of the village being built on the hill which skirts the right bank. On the highest point of the Vallegio side rises a most picturesque group of towers of pure Italian castellated architecture, slender and high like campaniles, with a gallery on their summit, built on a succession of small arches springing out of the body of the building. From these towers, an old wall runs down to the banks of the river, where two other lower, but more massive, towers stand, with the ruins of a bridge over the river between them. From the second of these towers, the wall runs up to the hill where Borghetto stands, and ends there in another square tower. This castle, as well as the surrounding domain, belongs to the Visconti family, and the fortifications were evidently intended to close the passage of the river, which they may have done at one time; now they form only a picturesque feature in the scenery. The road from Volta to this place descends along the hillside in a gentle slope, and, after traversing the river, winds up in a similar but much steeper rise, so