No division of the army should ever be without a strong detachment of police, either temporarily or permanently attached to it; and thus crimes would either be prevented through their vigilance, or those guilty of them immediately punished; the resources of a country would then neither be lawlessly seized and frittered away by marauders, nor would the inhabitants fail to bring supplies to the regularly established markets of the army, where they would be sure to find protection from the police. But all sutlers and persons permitted permanently to supply articles in camp or cantonments ought to have licenses from the head of the police, without which they should not be allowed to do so. As more irregularities are generally committed by soldiers when absent from their corps, either upon duty or otherwise, than at other times; patroles of the police ought therefore to be constantly moving upon the roads in all directions, and should particularly have their eyes upon all guards, and people allowed for the service of the commissariat, either when foraging in collecting supplies of any kind, or in bringing them from the depots in the rear; and this useful corps should also extend their observations, even as far to the rear as the hospital stations more immediately belonging to the army in the field. These various, important, and indispensable duties if properly performed, and their due performance being shown by simple returns or reports, would require a considerable police force; but as I would expect them to be armed and equipped in all respects as dragoons, they could, upon any emergency, be called upon to act as such, and they must, therefore, in no way be looked upon as taken away from the fighting part of the army; by the regulations they would enforce, and by their preventing all straggling of soldiers or followers of the camp in search of plunder or liquor, the army would be rendered considerably more efficient through their exertions. Therefore, to the establishing of such a corps, which ought to be composed of well-conducted and well-paid men, I beg particularly to request attention. There is a point too much overlooked, or, at least, but little understood in our army, viz. that of employing spies in order to obtain intelligence; and, as I should expect, that the head of the police is a man of ability and penetration, I would recommend that he should be entrusted with the management of this necessary point of service. If it is properly conducted, most useful information may be procured; especially if sufficient means for this purpose are placed at the disposal of a commander of the forces. There are various classes of spies, but I am anxious to be as brief as possible in alluding to them.