defensive, 306.
irregular, 313.
light, advantages of, 314.
militia as, 314, 315.
morale of, 312.
must be supported by infantry, 304.
proportion of, in an army, 304.
reserves, 288, 311.
when it should charge a line of infantry, 305.

Center, when proper point of attack, 187.

Central armies, 126.
line of Napoleon in Saxony, 124.
lines, application of, to large masses, 125.
position, when untenable, 331.

Chaeronea, 365.

Charges, irregular cavalry, 313.

Charles V. of Spain, expedition of, 377.
VIII., retreat of, to Naples, 233.
X. of Sweden, expedition of, 379.
XII. of Sweden, descent of, on Denmark, 382.

Checkerwise formation of cavalry, 310.
order, infantry, 301.

Chief of staff, 57, 253.

China, English and French expedition to, 389.

Choice of objective points, 90.

Circumvallation, lines of, 152.

Civil wars, 35.

Clairfayt, victories of, 110.

Clausewitz, erroneous assertion of, 178.
opinion of, as to movements in mountainous countries, 166.

Coalition against France in 1793, 37.
Frederick the Great, 36, 37.
Louis XIV., 36.

Coasts, influence of, on descents, 251.

Coblentz, fortification of, 157, 158.
towers of, 159.

Coburg, Prince of, 109, 193.

Column of attack, cavalry, 310.
of attack in two lines, 292.

Columns of attack, 293, 294, 356.
of attack of single battalions, 298.
of four divisions in three ranks, 294.

Combinations of battle, 187.
strategic, 72.

Combined use of the three arms, 203, 319, 320.

Commander, difficulty of selecting, 55.
essential qualities for a, 55.
importance of, 54.

Commander, first care of, on taking the field, 66.
of artillery, duties of, 319.

Command of an army, best means of organizing, 59.
of armies, 52.

Commissariat, connection of, with system of marches, 141.
of Louis XIV. and Frederick II., 142.
the, and strategy, 141.

Committee of Public Safety, 136.

Concave order of battle, 191.

Concentration of artillery-fire, 290.
in retreat, advantages of, 238.

Concentric lines, 102.
retreats, instances of, 238, 239.
system, 126.

Concert of action, how secured, 259.
in action, importance of, 42.

Conquest, difficulties of, in national wars, 31-34.
wars for, instances of, 22.

Conrad III., Crusade of, 372.

Constantinople, expeditions against, by the Russians, 368.
siege of, by the Crusaders, 373.
siege of, by Mohammed II., 375.

Contempt for