The American War of Secession made us familiar with many such ‘raids,’ on which the names of a Stuart, an Ashby, a Morgan and others, attained great renown. But, in attempting to transfer them to our theaters of war, we must primarily take into consideration the different nature, civilization and extent of the most European countries, but more especially those of the west. Then, regard must be paid to the different constitution of the forces. If a squadron of horse, improvised by a partisan, was defeated in such an enterprise, or if, when surrounded by the enemy, it broke itself up, that was of little consequence. It was only necessary that it was first paid for by some successes. Quite a different impression would be caused by the annihilation of one of our cavalry regiments, that by history and tradition is closely bound up with the whole army, and which, when once destroyed, cannot so easily rise again as can a volunteer association of adventurous farmers’ sons. “The thorough organization of the defensive power of civilized nations is also a preventive to raids. Even when the armies have already marched away, squadrons of horse can, in thickly populated districts, with a little preparation, be successfully repulsed by levies. The French _Francs-tireurs_ in the western departments attacked our cavalry, as soon as they saw it isolated.” With all deference to the great military writer here quoted, it is impossible to concede that he has grasped the true idea of cavalry raids. The slight esteem in which he holds “a volunteer association of adventurous farmers’ sons” is not surprising, for Europeans have rarely formed a just idea of American volunteers, and the effective fire-action of the American cavalry seems to be taken by foreign critics as proof positive that those troops were not _cavalry_, but merely mounted infantry--a view not shared by those who participated in the saber charges of Merritt, Custer and Devin. As to the annihilation of a Prussian cavalry regiment, there should be no objection to the annihilation of any regiment, however rich it may be in glorious history and tradition, provided that the emergency demands it, and the results obtained be of sufficient value to justify the sacrifice. Von Bredow’s charge at Mars-la-Tour was deemed well worth the sacrifice of two superb cavalry regiments; yet the results obtained by that famous charge certainly were not greater than those achieved by Van Dorn in the capture of Holly Springs. The former is supposed to have stopped a dangerous French attack; the latter is known to have checked a Federal campaign at its outset. Even had Van Dorn’s entire force been captured or slain (instead of escaping without loss) the result would have justified the sacrifice. Nor is the danger of annihilation great, if the cavalry be properly armed and trained. That cavalry untrained in fire-action can be successfully repulsed by levies, in thickly