They carefully observe the form and nature of



* If by displacing the whole of the investing corps, in order
to station it nearer to the place during the night, positions
should be abandoned which afford material advantages to this
corps for the purpose of preventing the introduction of any
succours into the tovyn, the coinmand"er should endeavour to
regulate liis dispositions for the night in such a manner as to
contume occupying the positions in question, and yet keep an
e^ectual look-out in respect to the garrison. The proper dis-
tribution of the investing corps, under those circDmstances, of
course depends on the nature of the country, the strength of
the garrison, and the number of other troops which the enemy
may have in bis power to send, in order to impede the inves-
titure.
DEFENCE OF PEACES. 16.
the ground, and , in short endeavour to procure
every information which, by enabling them to
ascertain on what side the place may be attacked
to greater advantage, puts it also in their power
to determine the spots where the parks of the
artillery and engineers ought to be established.
The engineers likewise examine whether the
quantity of wood in the neighbourhood is sufficient
for the great number of fascines, gabions and
picketSj &c. that the siege will require* ; and,
if it should be intended to construct lines of
circumvallation and countervallation (10 and
11,) they extend their observations to the dis-
position most suitable for each of these linesf.
