passage of the Alps so early in the year as actually occurred. And even when Hannibal learned that his brother was in Italy, and had advanced as far as Placentia, be was obliged to pause for further intelligence, before be himself commenced active operations, as be could not tell whether bis brother might not be invited into Etruria, to aid the party there that was disaffected to Rome, or whether he would march down by the Adriatic sea. Hannibal led his troops out of their winter quarters in Bruttium, and marched northward as far as Canusium. Nero had his head-quarters near Venusia, with an army which he had increased to forty thousand foot and two thousand five hundred horse, by incorporating under his own command some of the legions which had been intended to act under other generals in the south. There was another Roman army twenty thousand strong, south of Hannibal, at Tarentum. The strength of that city secured this Roman force from any attack by Hannibal, and it was a serious matter to march northward and leave it in his rear, free to act against all his depots and allies in the friendly part of Italy, which for the two or three last campaigns had served him for a base of his operations. Moreover, Nero's army was so strong that Hannibal could not concentrate troops enough to assume the offensive against it without
