A few days afterward, he led the army, which was now vigorous and resolute, into Numidia, where, instead of any appearance of war, he found the cottages full of people, and the cattle and laborers in the fields, while the officers of Jugurtha came from the towns and villages[156] to meet him, offering to supply him with corn, to convey provisions for him, and to do whatever might be required of them. Metellus, notwithstanding, made no diminution in the caution with which he marched, but kept as much upon the defensive as if an enemy had been at hand; and he dispatched scouts to explore the country, thinking that these signs of submission were but pretense, and that the Numidians were watching an opportunity for treachery. He himself, with some light-armed cohorts, and a select body of slingers and archers, advanced always in the front; while Caius Marius, his lieutenant-general, at the head of the cavalry, had charge of the rear. The auxiliary horse, distributed among the tribunes of the legions and prefects of the cohorts, he placed on the flanks, so that, with the aid of the light troops mixed with them, they might repel the enemy whenever an approach should be made. For such was the subtlety of Jugurtha, and such his knowledge of the country and the art of war, that it was doubtful whether he was more formidable absent or present, offering peace or threatening hostilities. XLVII. There lay, not far from the route which Metellus was pursuing, a city of the Numidians named Vaga, the most celebrated place for trade in the whole kingdom, in which many Italian merchants were accustomed to reside and traffic. Here the consul, to try the disposition of the inhabitants, and, should they allow him, to take advantage of the situation of the place[157], established a garrison, and ordered the people to furnish him with corn, and other necessaries for war; thinking, as circumstances indeed suggested, that the concourse of merchants, and frequent arrival of supplies[158], would add strength to his army, and further the plans which he had already formed.