FIRST PART.--HISTORICAL NOTICES ON THE ORGANIZATION OF ARMIES. The first lecture commences with explanations relating to the Greek and Roman armies; their order of battle, mode of marching; comparison of the Roman Legion with the Greek Phalanx, and of the Roman Legion under Marius and under the Emperors. 2. Military organization of the Franks under the Kings of the first race. Consequences of the feudal system, acting on the military organization. Feudal armies. Chivalry. Crusades, and war against England. Establishment of the first standing armies. Results dependent on the introduction of fire-arms. Progress made in the Art of War and in the organization of armies, from the sixteenth century to the present time. 3. Necessity for standing armies. Their proper character. Recruiting. Promotion. Degrees of rank. Station of the officers. Various positions of military men. On the composition of armies, Infantry, Cavalry, Artillery, Engineers. _Corps d’Etat-Major._ Composition of the army during the Revolution and during the Empire. Actual formation of a French army. General Staff. Commissariat. (_Intendance._)--Different services dependent on it. Relations between the strength of each of the arms that make up an army. On other corps which are not classed among the principal arms. 4, 5, 6. Summary relating to the military organization of the principal Powers of Europe. SECOND PART--ON TACTICS. 1. Definitions. Formations. Manœuvers; character of a good manœuver. Order of battle: first, of the Infantry; second, of Cavalry; third, of the Artillery; relating to Sharpshooters (_tirailleurs._) 2. Brief summary of the principal movements in battalion drill to pass from line to the order in columns and reciprocally. Movements in column. Movements in battle. Dispositions to be made against Cavalry. 3. Of the principal movements in line. Order of battle. Line of battle. Formation of Infantry to advance against the enemy. Action of Cavalry. Principal formations. Charges of Artillery. Use of the Three Arms. THIRD PART.--CASTRAMETATION. 1. General principles of castrametation. Situation. Construction and disposition of barracks. Camp of a Regiment of Infantry, of Cavalry, and of a Battery of Artillery. 2. Manner of tracing a camp on the ground. Huts; details relating to their construction. Tents. Bivouacs. Screens. Kitchens and camp ovens. Choice of the site of a camp; precautions to be taken for its security. Main guards. Advanced posts. Patrols and sentinels. FOURTH PART.--FIELD FORTIFICATION. 1. Definition of fortification in general. Object and character of field fortification; its utility demonstrated by historical examples. Napoleon’s opinion. Essential principle of field fortification. Discussion on the ordinary profile of earthen entrenchments; on the dimensions to be given to the ditch in level ground. 2. Definitions relating to the trace; general principles. Redoubts.