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him that the fort, which defended the only road to Castrum Mare, could not be taken by assault without the aid of these mechanical engines of war.

Along the hot and dusty Via Mare the Waziri swung, chanting the war-songs of their people. The hardened legionaries, their heavy helmets dangling against their breasts from cords that passed about their necks, their packs on forked sticks across their shoulders, their great oblong shields hanging in their leather covers at their backs, cursed and grumbled as become veterans, while the warriors from the outer villages laughed and sang and chattered as might a party of picknickers.

As they approached the fort with its moat and embankment and palisade and towers, slaves were bearing the body of Validus Augustus to his palace within the city, and Fulvus Fupus, surrounded by fawning sycophants, was proclaiming himself Caesar, though he trembled inwardly in contemplation of what fate might lie before him—for though he was a fool he knew that he was not popular and that many a noble patrician with a strong following had a better right to the imperial purple than he.

Throughout the city of Castrum Mare legionaries searched for the escaped prisoners and especially for the black slave who had struck down Validus Augustus, though they were handicapped by the fact that no one had recognized Gabula, for there were few in the city and certainly none in the entourage of Caesar who was familiar with the face of the black from distant Urambi.

A few of the thieves and five or six gladiators, who were condemned felons and not freemen, had clung together in the break for freedom and presently they found themselves in hiding in a low part of the city, in a den where wine could be procured and where there were other forms of entertainment for people of their class.

“What sort of a Caesar will this Fulvus Fupus make?” asked one.

“He will be worse than Validus Augustus,” said another. “I have seen him in the Baths where I once worked. He is vain and dull and ignorant; even the patricians hate him.”