d
consequently with greater ease. Each echelon covers the flank of that
which precedes it; and all may be combined towards a single object, and
extended with the necessary _ensemble_. At the battle of the Pyramids,
Napoleon formed the oblique order in echelon by squares. Portions of his
forces were arranged in echelon in some of his other battles.
(Figure 25.) The combined order in columns on the centre and one
extremity at the same time, is better suited than either of the
preceding for attacking a strong contiguous line. Napoleon employed this
order at Wagram, Ligny, Bautzen, Borodino, and Waterloo.
It is impossible to lay down, as a general rule, which of these orders
of battle should be employed, or that either should be exclusively
followed throughout the whole battle. The question must be decided by
the general himself on the ground, where all the circumstances may be
duly weighed. An order well suited to one position might be the worst
possible in another. Tactics is in this respect the very reverse of
strategy--the latter being subject to more rigid and invariable rules.
But whatever the plan adopted by the attacking force, it should seek to
dislodge the enemy, either by piercing or turning his line. If it can
conceal its real intentions, and deceive him respecting the true point
of attack, success will be more certain and decisive. A turning
manoeuvre may frequently be employed with advantage at the same time
with the main attack on the line. The operations of Davoust at Wagram,
and Richepanse at Hohenlinden, are good examples under this head. The
manoeuvre is, however, a difficult one, and unless executed with skill,
may lead to disasters like the turning manoeuvres of the Austrians at
Rivoli and Austerlitz, and of the French under Jourdan at Stackach, and
under Marmont at Salamanca.
We will now discuss the particular manner of arranging the troops on the
line of battle, or the manner of employing each arm, without entering,
however, much into the detailed tactics of formation and instruction.
We shall begin with _infantry_, as the most important arm on the
battle-field.
There are four different ways of forming infantry for battle: 1st, as
tirailleurs, or light troops; 2d, in deployed lines; 3d, in lines of
battalions, ployed on the central division of each battalion, or formed
in squares; 4th, in deep masses.
These different modes of formation are reduced to four separate systems:
1st, the thin
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