In regard to the use of the electric telegraph by the Prussians, Hamley says: “The telegraphic communication between the two Prussian armies invading Bohemia in 1866 was not maintained up to the battle of Königgrätz: had it been, and had the situation on both sides been fully appreciated, their joint attack might have been so timed as to obviate the risk of separate defeat which the premature onset of Prince Frederick Charles’ army entailed.” Yet Hozier describes in glowing terms the equipment of Frederick Charles’ telegraph train, and speaks with somewhat amusing admiration of the feat of placing the Prince’s headquarters, at the castle of Grafenstein, in direct telegraphic communication with Berlin, though the castle was five miles from the nearest permanent telegraph station. With each of the Prussian armies was a telegraph train, provided with the wire and other material requisite for the construction of forty miles of line. Yet, though communication was opened between the Crown Prince and Frederick Charles early on June 30th; though there were three days in which to construct a telegraph line; though the headquarters at Gitschin, Kamenitz and Königinhof could have been put in direct communication without exhausting much more than half the capacity of a single telegraph train, the Prussians neglected even to preserve telegraphic communications to the rear of their armies (and thus with each other _via_ Berlin), and, as we have seen, staked their success upon the safe delivery of a message carried by a courier, over an unknown road, on a night of pitchy darkness. Here again a valuable lesson might have been learned from the Americans.[23] * * * * * Though the War of Secession was begun without military preparation on either side; though its earlier operations sometimes presented features that would have been ludicrous but for the earnestness and valor displayed, and the mournful loss of life which resulted; our armies and generals grew in excellence as the war continued; and before the close of the conflict, the art of war had reached a higher development in America than it attained in Europe in 1866, and, in some respects, higher than it reached in 1870.