ssault, beat formation of infantry for, 298.
of field-works, instances of well-arranged, 212.

Athens, naval power of, 361.

Attack, cavalry column of, 310.
close, formation for, 301.
column of, in two lines, 292.
columns of, 293, 356.
columns of, of single battalions, 298.
five methods of forming troops for, 292.
formation for, at Turin, 213.
in columns, order of, 194.
in front, 201.
in rear, 207.
of field-works, directions for, 211, 212.
of fortified places, 210.
of intrenched lines, 214.
on flank, 203.
on Sank, cavalry, 310.
when order in squares suitable for, 297.

Attacks and marches, arrangements of, 258.
in half-deep order, 302.

Audenarde, battle of, 53.

Augustus, armament of, 365.

Aulic Council, 59.

Austerlitz, 170, 179, 206.
Napoleon's order of battle at, 198.

Austria, course of, in the French Revolution, 106.
force of, in the French Revolution, 106.
fortresses of, 149.
interest of, in the French Revolution, 105.
intervention of, in 1813, 21.

Austrian army, situation of, in 1800, 112.
camp before Mayence, 157.
order at Essling and Fleurus, 200.

Austrians, surprise of, by Turenne, 246.
why victorious in 1753, 107.

Austria's adaptation to parallel retreats, 240.

Authority of counselors, 53.

B.

Balloons, difficulties in use of, 275, 276.
how they might be useful, 275.
used at Fleurus, 275.

Barbarossa, 373.

Bard, fort of, 152, 167.
importance of defile of, 87.

Base of operations, where to be established, 84.

Bases of operations, definition of, 77
of operations, how to be chosen, 79, 80.
of operations, plurality of, 78.
on the sea, 83, 84.
temporary or eventual, 84.
temporary, when necessary, 132.
with two faces, 83.

Bassano, Napoleon's march on, 131.

Battalions, deployed, in checkerwise order, 301.

Battalion squares, 296.

Batteries, 317.

Battle, advanced guard in, 288, 289.
calculation of distances in, 334.
classification of orders of, useful, 197.
combinations of, 187.
concave order of, 191.
convex order of, 192.
critical moment of, 203.
decisive moment of, 334.
defensive arrangements for, 201.

Battle-field, decisive point of, how determined, 186.
decisive point of, 187.
strategic point of, when important, 187.

Battle-formation in small columns, 350.
influence of topography upon, 299.

Battle, formation of troops for, 347-360.
influence of