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426 of the Bulgarians, and his standard was followed by a promiscuous multitude of Sclavonians. The savage chief passed, without opposition, the river and the mountains, spread his troops over Macedonia and Thrace, and advanced with no more than seven thousand horse to the long walls which should have defended the territory of Constantinople. But the works of man are impotent against the assaults of nature: a recent earthquake had shaken the foundations of the wall; and the forces of the empire were employed on the distant frontiers of Italy, Africa, and Persia. The seven schools, or companies, of the guards or domestic troops had been augmented to the number of five thousand five hundred men, whose ordinary station was in the peaceful cities of Asia. But the places of the brave Armenians were insensibly supplied by lazy citizens, who purchased an exemption from the duties of civil life, without being exposed to the dangers of military service. Of such soldiers, few could be tempted to sally from the gates; and none could be persuaded to remain in the field, unless they wanted strength and speed to escape from the Bulgarians. The report of the fugitives exaggerated the numbers and fierceness of an enemy who had polluted holy virgins and abandoned new-born infants to the dogs and vultures; a crowd of rustics, imploring food and protection, increased the consternation of the city; and the tents of Zabergan were pitched at the distance of twenty miles, on the banks of a small river, which encircles Melanthias, and afterwards falls into the Propontis. Justinian trembled; and those who had only seen the emperor in his old age were pleased to suppose that he had lost the alacrity and vigour of his youth. By his command the vessels of gold and silver were removed from the churches in the neighbourhood, and even the suburbs, of Constantinople; the