short campaigns of 1805 and 1806, the cavalry of Murat displayed the
most wonderful activity, and effected more extraordinary results than
any mounted troops of modern ages.

The English cavalry, however, have made one or two short marches with a
rapidity truly extraordinary.

In 1803 Wellington's cavalry in India marched the distance of sixty
miles in thirty-two hours.

But the march of the English cavalry under Lord Lake, before the battle
of Furruckabad, is, if we can trust the English accounts, still more
extraordinary than any thing recorded of the Romans or the French--it is
said that he marched _seventy miles in twenty-four hours!!!_

As a general rule, troops marching for many days in succession will move
at the rate of from fifteen to twenty miles per day. In forced marches,
or in pursuit of a flying enemy, they will average from twenty to
twenty-five miles per day. And for only two or three days in succession,
with favorable roads, thirty miles per day may be calculated on. Marches
beyond this are unusual, and, when they do occur, are the result of
extraordinary circumstances.

_Convoy_.--A convoy consists of provisions, military munitions, &c.,
sent from one point to another, under the charge of a detachment of
troops, called an _escort_. When regular depots and magazines are
established, with proper relations to the line of operations, convoys
requiring particular escorts are seldom necessary, because the position
of the army will cover the space over which the magazines are to be
moved. But in the immediate vicinity of the enemy, or in a country whose