The Saracens were invincible in fact, since they were invincible in opinion; and the desertion of Youkinna, his false repentance and repeated perfidy, might justify the suspicion of the emperor, that he was encompassed by traitors and apostates, who conspired to betray his person and their country to the enemies of Christ.

In the hour of adversity, his superstition was agitated by the omens and dreams of a falling crown; and after bidding an eternal farewell to Syria, he secretly embarked with a few attendants, and absolved the faith of his subjects.

Constantine, his eldest son, had been stationed with forty thousand men at Caesarea, the civil metropolis of the three provinces of Palestine.

But his private interest recalled him to the Byzantine court; and, after the flight of his father, he felt himself an unequal champion to the united force of the caliph.

His vanguard was boldly attacked by three hundred Arabs and a thousand black slaves, who, in the depth of winter, had climbed the snowy mountains of Libanus, and who were speedily followed by the victorious squadrons of Caled himself.