The Terror
ship; there was not the usual droning hum, but this sound might be caused by a new type of engine. A new type of engine? Possibly it was an enemy airship; their range, it had been said, was getting longer; and Lewis was just going to call Remnant's attention to the sound, to its possible cause, and to the possible danger that might be hovering over them, when he saw something that caught his breath and his heart with wild amazement and a touch of terror.
He had been staring upward into the sky, and, about to speak to Remnant, he had let his eyes drop for an instant. He looked down towards the trees in the garden, and saw with utter astonishment that one had changed its shape in the few hours that had passed since the setting of the sun. There was a thick grove of ilexes bordering the lowest terrace, and above them rose one tall pine, spreading its head of sparse, dark branches dark against the sky.
As Lewis glanced down over the terraces
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