He offered guides to conduct them out of Noricum; and the guides misled them.

The consul attacked them unexpectedly during the night, and was beaten.
However, the barbarians, still fearful, did not venture into Italy.
They roamed for three years along the Danube, as far as the mountains of Macedonia and Thrace.

Then retracing their steps, and marching eastward, they inundated the valleys of the Helvetic Alps, now Switzerland, having their numbers swelled by other tribes, Gallic or German, who preferred joining in pillage to undergoing it.

The Ambrons, among others, a Gallic peoplet that had taken refuge in Helvetia after the expulsion of the Umbrians by the Etruscans from Italy, joined the Cimbrians and Teutons; and in the year 110 B.C.

all together entered Gaul, at first by way of Belgica, and then, continuing their wanderings and ravages in central Gaul, they at last reached the Rhone, on the frontiers of the Roman province.
There the name of Rome again arrested their progress; they applied to her anew for lands, with the offer of their services.