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parts of the main body which arrived by half-battalions. This reinforcement, while made in driblets, was, however, sufficient.

During its march to the battlefield of Gravelotte, the 3rd Infantry Division concentrated at Buxieres for the purpose of cooking. Then it formed again in route column, concentrated once more south of Rezonville, and from there moved on in echelon formation. The concentration of the 28th Infantry Brigade on August 6th, 1870 (Spicheren), was still less justifiable. About noon, when the head of the brigade reached the exit of the Kollertal Wood at Raschpfuhl, it received orders to cross the Saar. Upon receiving this order, the five battalions present concentrated, unfurled their flags and then marched across country to the railroad bridge of Mattstall. In order to effect a crossing, route column had to be formed again. The delays which occurred here led the parts of the force which had crossed first, to throw themselves into the fight.

3. THE BATTALION, THE REGIMENT, AND THE BRIGADE.

When part of a larger force, the battalion may be broken up into companies either by directing the latter upon their respective objectives, or by forming for attack by command.

When forming for attack by command, the front, the base company, intervals, distances, and the relation of the companies to each other must be indicated. The intervals should be sufficiently large to permit the companies to move unhampered, and so maintained that irregularities of marching will not be communicated from one to the other.

A space approximately equal to the front of a platoon will suffice for this purpose. Thus the interval between companies at war strength would be 150 paces, and between companies at peace strength 100 paces. Intervals may be increased or diminished when necessary so as to enable the troops to take the fullest advantage of cover. The same holds true for distances. For rules in regard to the distance between the second and first line, see p. 121, supra. When a battalion has formed line of companies at long range from the enemy for the purpose of reducing the effect of the hostile