Page:Frontinus - The stratagems, and, the aqueducts of Rome (Bennet et al 1925).djvu/67

 plans, he ordered three hundred soldiers to make a simultaneous attack on an enemy post, to seize one of their men, and to bring him unharmed to camp. The prisoner, under torture, revealed all the secrets of his side.

During the war with the Cimbrians and Teutons, the consul Gaius Marius, wishing to test the loyalty of the Gauls and Ligurians, sent them a letter, commanding them in the first part of the letter not to open the inner part, which was specially sealed, before a certain date. Afterwards, before the appointed time had arrived, he demanded the same letter back, and finding all seals broken, he knew that acts of hostility were afoot.

There is also another method of securing intelligence, by which the generals themselves, without calling in any outside help, by their own unaided efforts take precautions, as, for instance:

In the Etruscan war, the consul Aemilius Paulus was on the point of sending his army down into the plain near the town of Vetulonia, when he saw afar off a flock of birds rise in somewhat startled flight from a forest, and realized that some treachery was lurking there, both because the birds had risen in alarm and at the same time in great numbers. He therefore sent some scouts ahead and discovered that ten thousand Boii were lying in wait at that point to meet the Roman army. These he overwhelmed by sending his legions against them at a different point from that at which they were expected.