10. The principal cities in Cisalpine Gaul were Roman colonies with municipal rights; many of them have preserved their names unchanged to the present day. The most remarkable were; north of the Pa'dus, Terge'ste, _Trieste_; Aquilei'a; Pata'vium, _Padua_; Vincen'tia, Vero'na, all east of the Athe'sis: Mantua; Cremo'na; Brix'ia, _Brescia_; Mediola'num, _Milan_; Tici'num, _Pavia_; and Augusta Turino'rum, _Turin_; all west of the Athe'sis. South of the Po we find Raven'na; Bono'nia, _Bologna_; Muti'na, _Modena_; Par'ma, and Placen'tia. 11. From the time that Rome was burned by the Gauls (B.C. 390), the Romans were harassed by the hostilities of this warlike people; and it was not until after the first Punic war, that any vigorous efforts were made for their subjugation. The Cisalpine Gauls, after a fierce resistance, were overthrown by Marcell'us (B.C. 223) and compelled to submit, and immediately afterwards military colonies were sent out as garrisons to the most favourable situations in their country. The Gauls zealously supported An'nibal when he invaded Italy, and were severely punished when the Romans finally became victorious. 12. North-east of Cisalpine Gaul, at the upper extremity of the Adriatic, lay the territory of the Venetians; they were a rich and unwarlike people, and submitted to the Romans without a struggle, long before northern Italy had been annexed to the dominions of the republic. 13. Central Italy comprises six countries, Etru'ria, La'tium, and Campa'nia on the west; Um'bria, Pice'num, and Sam'nium, on the east. 14. Etru'ria, called also Tus'cia (whence the modern name _Tuscany_) and Tyrrhe'nia, was an extensive mountainous district, bounded on the north by the river Mac'ra, and on the south and east by the Tiber. The chain of the Apennines, which intersects middle and Lower Italy, commences in the north of Etru'ria. The chief river is the Ar'nus, _Arno_. 15. The names Etruscan and Tyrrhenian, indifferently applied to the inhabitants of this country, originally belonged to different tribes, which, before the historic age, coalesced into one people. The Etruscans appear to have been Celts who descended from the Alps; the Tyrrhenians were undoubtedly a part of the Pelas'gi who originally possessed the south-east of Europe. The circumstances of the Pelasgic migration are differently related by the several historians, but the fact is asserted by all.[1] These Tyrrhenians brought with them the knowledge of letters and the arts, and the united people attained a high degree of power and civilization, long before the name of Rome was known beyond the precincts of Latium. They possessed a strong naval force, which was chiefly employed in piratical expeditions, and they claimed the sovereignty of the western seas. The first sea-fight recorded in history was fought between the fugitive Phocians,[2] and the allied fleets of the Tyrrhenians and the Carthaginians (B.C. 539.)