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DISLODGE. To drive an Enemy from any Post or

Station.

DISMANTLE. To strip a fortress or town of its outworks. To dismantle a gun, is to render it unfit for service.

DISMISSION. The King possesses the power of dismissing any Officer from the Service at his pleasure: in which case, the individual receives a notification that His Majesty has no further occasion for his Services. An Officer may also be dismissed by the sentence of a Court Martial, in consequence of some breach of the Military laws.

DISMOUNT. To dismount the Cavalry, is to make them alight; and in this way they have frequently been called upon to act as Infantry in the attack of fortresses or field works. Guards, when relieved, are said to dismount. They are to be marched with the utmost regularity to the Parade-ground where they were formed, and from thence to their Regimental parades, previously to being dismissed to their quarters. To dismount a piece of Ordnance, is to take it down from the carriage.

DISOBEDIENCE OF ORDERS, is any infraction by neglect or wilful omission of General or Regimental orders. It is a crime punishable by a Court Martial, according to the nature and degree of the offence.

DISPOSITION, in a military point of view, is the placing of a body of Troops upon the most advantageous ground, and in the strongest position for attack or de

fence.

DISTANCE. It is frequently of importance to Officers on Active Service, to be enabled to ascertain with precision the relative distances between objects. When the objects are accessible, these are easily determined by means of admeasurement; but inaccessible distances can only be computed by using instruments for taking angles, or by some other method founded on the principles of Geometry. The instruments generally employed, are the sextant and pocket compass. The use of these, and indeed the whole art of Mensuration of Heights and Distances, will be found rather a source of amusing recreation, than of dull or laborious study.

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Suppose to ascertain the breadth of the River at.

At A, set up a Staff, and in the prolongation of aт, at any distance set up another Staff, B; then at any convenient station, c, place another Staff. Measure the distance, Ac, and in the prolongation of this line make ca=cA, and there set up another mark.

In the same manner measure BC, and in the prolongation of this line make cb=CB, setting up another mark at b. Next proceed on the prolongation of the line, ba, towards t, until the object, T, which is sought, is in the same line with c. Then, ta, will be equal to the breadth of the

River, TA.

DISTANCE OF DIVISIONS. The number of paces of thirty inches comprised in the front of any Division or Body, is nearly three-fourths of the number of files of which it is composed. Thus the number of files being once ascertained in each division, the Officer commanding it can at all times recollect the number of paces that are equal to his front.

Taking, however, the general size of men into consideration, particularly when in Complete Marching Order, it will be found that twenty-two inches will be no more than the space requisite for each file. Acting on this assumption, therefore, an easy approximation may be obtained, of the distance required for the front of a Division, viz. that of two-thirds of the number of files of which it is

composed. Thus, for a Division of ten files, the distance will be 7 paces; for fifteen files, 11 paces; for twenty files, 14 paces; for twenty-five files, 18 paces; and

so on.

DISTRIBUTION, means, generally, any division or allotment made for the purposes of War. In minor affairs, it is applied to the arrangements made for the interior economy of corps.

DISTRICT. One of those portions into which a country is divided, for the convenience of Command, and to ensure a co-operation between distant bodies of Troops. The following are the Military Districts into which the United Kingdom is divided:

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Guernsey and Alderney form a District; so also does Jersey by itself.

The following are not contained in any Military District, and the Troops stationed in these Counties report direct to Head Quarters, London.

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The Troops in the Isle of Wight report to the General

Officer commanding at Portsmouth.

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SCOTLAND. The whole of the Troops in Scotland report to Head Quarters, Edinburgh.

For Recruiting Districts, vide Recruiting.

DITCH, is an excavation or trench made round the works of a Fortification, from whence the earth necessary for the construction of the rampart and parapet is raised. By increasing the height of the escarp, it serves to prevent a surprise, and adds to the difficulty of taking the place. Ditches are of two kinds-wet, and dry. The wet ditch would appear, at first sight, to deserve the preference, on account of its rendering surprises very difficult; but these, although successful in ancient times, are now seldom attempted, in consequence of the improved discipline kept up in modern garrisons. A well-prepared enemy will effect the passage of a wet ditch with more rapidity than a dry one; because the wet ditch does not provide so good a field of battle, and the communication by bridges or boats is so easily destroyed by the enemy's fire; while the dry ditch may be defended inch by inch, affords peculiar facilities for a sally, and is capable of containing many works requisite for its defence. The Enemy may be greatly annoyed by means of certain works called Batard'eaux, which are large reservoirs placed on convenient

levels, and in which water is collected in such quantities, that the ditch may be inundated at pleasure. They usually connect the escarp with the counterscarp, and are formed so as to present a sloping edge or roof, upon which is constructed a small conical tower, to prevent the Enemy from using them as bridges.

DIVINE SERVICE. All Officers and Soldiers are required by the Articles of War regularly to attend Divine Service; and a Certificate of this order having been obeyed, is signed by the Commanding Officer of each Regiment, in the Monthly Returns.

Officers in charge of Detachments, are responsible (Gen. Regulations, p. 197.) for the observance of this order.

DIVISION. The Divisions of an Army, composed of Cavalry, Infantry, and Artillery, into which an Army is distributed, each being commanded by a General Officer.

The Divisions of a Battalion are the several parts into which it is told off, for the purpose of manoeuvring. Each Regiment is divided into five grand divisions; ten divisions, or Companies, twenty Sub-divisions, and forty Sections; also into right and left Wings.

The Battalion Companies are numbered from right to left, 1.2.3.4.5.6.7.8. The Sub-divisions are termed right and left of each, the Sections being numbered 1st. 2d. 3d. and 4th. of each Company. The Grenadiers and Light Infantry are numbered separately, with the addition of those distinctions.

DODECAGON. A regular Polygon, consisting of twelve equal sides and angles.

DRAFT. To draft, is to transfer Soldiers from one Corps to complete another; and the body of men thus transferred, is called a Draft.

DRAWN BATTLE. A Battle in which both parties claim the victory, or retire upon equal terms.

DRESS. To dress, in Manoeuvres, is to keep the Company or Battalion in such a position or order, as to make an exact continuity of any line or direction on which it may be formed. In dressing, the men turn their eyes to the point d'appui, where the Officer is posted, and by his correcting the alignement on certain fixed points, the most perfect line may be obtained.

DRILL. Is the instruction of Officers and Soldiers in

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