Down, down sank those mighty glistening shapes from the Palosian skies--down, down until at length without seeming cause they checked their descent, and hung gently swaying, until a strange red brilliance leaped up high over Berla's walls. "Go now--in Zitu's name," Croft spoke to his pilot. The motur roared--the huge plane quivered, seemed to shake off the lethargy of its waiting, trundled forward, gained headway, tilted, and rose. Up, up in a reaching slant, Avron drove it toward the growing radiance before it. And then, like a kite striking home upon its prey, it swept above Berla's ramparts and plunged down beneath the moon and flame-illumined gas-bags, toward the leaping fires. They leaped, they blazed, those fires spreading in a ruddy band of destruction before Helmor's palace. They smoked. The wind of night caught that smoke and swept it off across the city in twisting, writhing streamers and billows, like the tatters of a trailing shroud. For an instant it half veiled the racing plane, and Avron coughed. Then the machine burst through it and swam above the square already beginning to fill with a running, shouting, wildly gesticulating mob, beyond which on the steps of the palace itself showed a body of the palace guard. * * * * * The fire struck off ruddy flashes from their massed cuirasses and helmets, pricked out the livid color of their saffron plumes. A captain lifted a sword and pointed toward the hovering gas-bags with a glinting blade. The roof of a house crashed down roaring in a fiery dissolution, casting up a myriad of sparks against the smoke pall of the major conflagration, from which a sickly, unsteady light was filling all the square, casting flickering shadows over the jostling mass of the panic-stricken crowd. Above that scene the airplane swam with a chattering motur. The milling masses heard it and lifted their faces toward it in a fresh alarm. It turned. It circled back. "Down," Croft spoke to Avron. "Land me before the guard." Avron nodded, worked with his controls briefly. The plane tilted, circled again at a lower level--and suddenly with deadened engine volplaned with the steady-winged swoop of a hawk toward the wide expanse of pavement, to trundle forward and pause. Before it the guard shifted uneasily, watched its slowing advance with widened eyes and paling faces, a slight backward movement of their ranks. Not so the captain, however. "By Bel--he has given one of them into our hands at least. Upon them!" he roared, and drew his sword to lead them in an overpowering charge. "Hold!" Croft rose in his place and faced the quick, forward surge of the guardsmen. "Naught has Bel given thee, captain. Wherefore spare thy praises. By design are we come among thee--for speech with Helmor. Put up thy sword."