10. That the Writer having, in his Elementary Treatise on Strategy, left certain points untouched on which it appears expedient to treat in an Elementary Treatise on Strategy, and having treated some points with less fulness than appears expedient, is desirous to remedy those defects by means of the present treatise, by treating in it as well on Tactics as on those points in Strategy untouched on in his treatise on that subject, and by treating more fully on those points to which too little attention appears there to have been paid. 14. Circle of Enemy's Activity 15. Of the terms In Front, In Echarpe, In Flank, In Reverse, In Rear CHAPTER IV. PAGE ON THE DETERMINATION OF THE DECISIVE POINT OF A FIELD OF BATTLE. 37 CHAPTER V. ON THE EXPLANATION, ILLUSTRATION, AND EXEMPLIFICATION OF THE 1. An account of the Battle of Rivoli, with a Plan 2. An account of the Battle of Dresden, with a Plan 51 64 82 . 109 3. An account of the Battle of Albuera, with a Plan 4. An account of the Battle of Austerlitz, with a Plan Also, Explanations of those of the Principles and Maxims which seem to require it, and Exemplifications from all times of Military History 131 CHAPTER VI. ON THE PASSAGE OF A GREAT RIVER, WITH EXAMPLES AND A PLAN. 170 CHAPTER VII. ON FORTIFICATION. 1. On the Principles of Fortification generally. 2. On Têtes-de-Pont, with a Plan 3. On the cheapest System of Fortresses, and the best, considered with respect to Military, Naval, and Commercial advantages, for the Defence of an Island possessing a decided maritime superiority; and on the strategical advantages of the system 206 CHAPTER VIII. ON THE MEANS OF OBTAINING INFORMATION, AND OF DISCOVERING THE 222 "AGE 37 CHAPTER I. ON DEFINITIONS. THIS brief chapter is devoted to a few definitions, which it appears necessary should be placed together at the commencement of the treatise. It being necessary that the definition of Strategy should be premised Def-Strategy is that division of the science of war, which superintends the direction of all operations and the construction of all combinations, except during the intervals of action; the instant at which the opposing forces, of whatever magnitude, come in sight of one another, being, in all cases (whether the affair be a battle, attack of post, siege, or of whatever kind) the signal for strategy to leave its presidency, and the instant at which they lose sight of one another, that for its return. Def. 1.-Tactics is that division of the science of war which presides over all military operations whenever strategy does not preside. Def. 2.-The lines on which the divisions of an army manœuvre, after the armies come in sight of one another, are called Tactical Lines. In all the plans of battles attached to this treatise, the tactical lines, on which the armies moved from their first position to their second and again to their third, are represented by dotted lines, as is stated in the explanation of the plans, which explanation is placed immediately before the plans, must be attentively and had best be read here. In the accounts of the battles of Rivoli, Dresden, Albuera, and Austerlitz, which are given with plans in explanation, illustration, and exemplification of the Principles and Maxims, examples of tactical lines will be found. By turning to the Plan 3, which is the plan of the battle of Albuera, the reader may see the B |