the greater part of it to retreat through a hidden defile, while he drew up the remainder on a hill as though he intended to fight. When he judged that those who had been sent before had reached a place of safety, he darted after them with such disregard of the enemy and such swiftness that his pursuers did not know whither he had gone. Cæpio turned against the Vettones and the Callaici and wasted their fields.
Emulating the example of Viriathus many other guerilla B.C. 138 bands made incursions into Lusitania and ravaged it. Sextus Junius Brutus, who was sent against them, despaired of following them through the extensive country bounded by the navigable rivers Tagus, Lethe, Durius, and Bætis, because he considered it extremely difficult to overtake them while flying from place to place after the manner of robbers, and yet disgraceful not to do so, and a task not very glorious even if he should conquer them. He therefore turned against their towns, thinking tha