tents of the tribunes, and the tribunes in like manner presented themselves to the praetorian, to learn the orders of the consuls, which through the centurions were communicated to the soldiers. Four companies took charge of the principal street, to see that it was properly cleaned and watered. One company took charge of the tent of the tribune, a strong guard attended to the horses, and another of fifty men stood beside the tent of the general that he might be protected from open danger and secret treachery. The velites mounted guard the whole night and day along the whole extent of the vallum, and each gate was guarded by ten men. The equites were intrusted with the duty of acting as sentinels during the night, and most ingenious measures were adopted to secure their watchfulness and fidelity. The watchword for the night was given by the commander-in-chief. "On the first signal being given by the trumpet, the tents were all struck and the baggage packed. At the second signal, the baggage was placed upon the beasts of burden; and at the third the whole army began to move. Then the herald, standing at the right hand of the general, demands thrice if they are ready for war, to which they all respond with loud and repeated cheers that they are ready, and for the most part, being filled with martial ardor, anticipate the question, 'and raise their right hands on high with a shout.'" [Footnote: Smith, _Dict. of Ant._, art. _Castra_.] [Sidenote: Line of March.] Josephus gives an account of the line of march in which the army of Vespasian entered Galilee. "1. The light-armed auxiliaries and bowmen, advancing to reconnoiter. 2. A detachment of Roman heavy-armed troops, horse and foot. 3. Ten men out of every century or company, carrying their own equipments and the measures of the camp. 4. The baggage of Vespasian and his legati guarded by a strong body of horse. 5. Vespasian himself, attended by his horse-guard and a body of spearmen. 6. The peculiar cavalry of the legion. 7. The artillery dragged by mules. 8. The legati, tribunes, and praefects of cohorts, guarded by a body of picked soldiers. 9. The standards, surrounding the eagle. 10. The trumpeters. 11. The main body of the infantry, six abreast, accompanied by a centurion, whose duty it was to see that the men kept their ranks. 12. The whole body of slaves attached to each legion, driving the mules and beasts of burden loaded with the baggage. 13. Behind all the legions followed the mercenaries. 14. The rear was brought up by a strong body of cavalry and infantry." [Footnote: Josephus, _B. J._, iii. 6, Section 2.] [Sidenote: Excitements of military life.] [Sidenote: Smallness of the Roman armies.] [Sidenote: How battles were decided.]