the last and most powerful wave of the migration. These Hellenic tribes conquered and largely destroyed the Ægean civilization that had preceded their arrival; upon its ashes they built up a civilization of their own. They took to the sea and crossed by way of the islands to Asia Minor; and, sailing through the Dardanelles and Bosphorus, spread their settlements along the south, and presently along the north borders of the Black Sea. They spread also over the south of Italy, which was called at last Magna Græcia, and round the northern coast of the Mediterranean. They founded