solicited by their dukes, would have degraded the magistrates of a free people. But the bands of this dependence, which was never absolute or rigid, were imperceptibly relaxed by the ambition of Venice and the weakness of Constantinople. Obedience was softened into respect, privilege ripened into prerogative, and the freedom of domestic government was fortified by the independence of foreign dominion. The maritime cities of Istria and Dalmatia bowed to the sovereigns of the Adriatic; and when they armed against the Normans in the cause of Alexius, the emperor applied, not to the duty of his subjects, but to the gratitude and generosity of his faithful allies. The sea was their patrimony: [38] the western parts of the Mediterranean, from Tuscany to Gibraltar, were indeed abandoned to their rivals of Pisa and Genoa; but the Venetians acquired an early and lucrative share of the commerce of Greece and Egypt. Their riches increased with the increasing demand of Europe; their manufactures of silk and glass, perhaps the institution of their bank, are of high antiquity; and they enjoyed the fruits of their industry in the magnificence of public and private life. To assert her flag, to avenge her injuries, to protect the freedom of navigation, the republic could launch and man a fleet of a hundred galleys; and the Greeks, the Saracens, and the Normans, were encountered by her naval arms. The Franks of Syria were assisted by the Venetians in the reduction of the sea coast; but their zeal was neither blind nor disinterested; and in the conquest of Tyre, they shared the sovereignty of a city, the first seat of the commerce of the world. The policy of Venice was marked by the avarice of a trading, and the insolence of a maritime, power; yet her ambition was prudent: nor did she often forget that if armed galleys were the effect and safeguard, merchant vessels