After the victories of the Ticinus and the Trebia, the Cisal-
pine Gauls hastened in great numbers to his camp. They
followed him in his march toward Rome, and it was witii
Gallic blood that he gained the victories of Lake Trasimenus
and Cannae. When his marvellous struggle had ended,
after the battle of Zama, Rome resumed the work of con-



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MIGRATIONS OF THE GAULS. 17

quest which had been interrupted by hia arrival: her
legions pushed the frontier of the Republic forward to the
Alps. The Boii abimdoned their laud and went to seek
upon the borders of the Danube, in two countries which
have preserved their name, Bohemia (Boiohemum) and
Bavaria (Boiaria), a country in which they could hve in
■freedom (192 b.c).
Invasioiis of Greece. — At an earlier time the Gauls had
established themselves in the valley of the Danube. Alex-
ander found them there as he approached that river, and
gave them the title of allies and friends. Half a century-
later we discover them again, this time in arms and threat-
ening hostility. About the year 280 b.c., three new tribes
from Gaul joined them, and the whole body decided to
invade Macedonia and Thrace, A formidable army forced
its way into Macedonia. The phalanx was broken through,
and all the low country fell into the hands of the Gauls.
