The boat had crept out into the current when the three sent a last glance across the river. A red beacon fire was flaming on a tower of the western palace. Soon the guard in the “Old Palace” on the eastern bank would be stirring. But they did not tarry for the alarm. The three followed the length of Nana Street, silent and desolate, and for a time heard only the soughing of the kind night wind from the balmy west. The vision of the tower of Bel faded into the star-mist. They crossed the bridge of the East Canal, where no drowsy watchman challenged them. As they passed the gates of the temple of Beltis, a dozing soldier cried, “Your business!” from his guard-room; but he was too fond of his warm mat to sally into the dark and pursue possible robbers.

The Arachtu Canal was behind them, behind them the shops of the great merchants, the still bazaars. Once two men sprang out of the dark before them,—street thieves, perchance, lurking for the unwary; but one sight in the moonlight of the stalwart shoulders of the three, and the others vanished without a cry. A faint light gleamed from the steps of a low beer-house; they heard brutish laughter and more brutish jesting as they sped onward. The tall houses were beginning to lessen, the moonlit alleys to widen. Another canal and another bridge, and the houses were breaking away into vague masses of shadowy villas and gardens. Still forward; and now behind, and far off, came a roar and a clattering,—the sound of horsemen at their speed,—and the sound lent wings to their going. But Isaiah, who paced even the prince as they ran, cried across his shoulder:—

“No peril! Jehovah is with us! See, the walls!”

And lo! as Darius gazed upward, above him was rising the naked height of Imgur-Bel, the black battlements clearly outlined against the roof of heaven.

Far above their heads, as the voice of a sky-dweller, came once more the call of a sentry, “The morning star rises! Sleep holds the city! Marduk shed favour on Belshazzar the king!”

The loud noise of hoofs behind was ominous, but Isaiah led unfaltering toward the gate. There stood the portal, at either side a soldier in his armour, but here also prone on the ground in sleep; and the great bronze-plated doors were unbarred, and opened wide enough to give passage to a man. They glided through them without a word. Twelve paces more and the drawbridge was cleared. Suddenly forms rose up out of the gloom before them—five horses, and at their heads as many men.

“Who comes?” cried a voice, and Isaiah halted.

“This, my Lord Prince,” he announced to Darius, “is that Abiathar in whose behalf I had attacked Igas-Ramman when you saved me. He is not ungrateful.” Then to the others: “We are here, Abiathar, though late. You and your friends have not failed us; Jehovah reward you and give His mercy!”

“And my Lord Daniel and Shaphat?” answered the other, grieving to find three, not five.