The Terror
steam-engine had in making his hypothesis when he saw the lid of the kettle bobbing up and down. What do you say?"
Dr. Lewis made no answer. He was watching the growth of a new, unknown tree in his garden.
The doctor made no answer to Remnant's question. For one thing, Remnant was profuse in his eloquence—he has been rigidly condensed in this history—and Lewis was tired of the sound of his voice. For another thing, he found the Z Ray theory almost too extravagant to be bearable, wild enough to tear patience to tatters. And then as the tedious argument continued Lewis became conscious that there was something strange about the night.
It was a dark summer night. The moon was old and faint, above the Dragon's Head across the bay, and the air was very still. It was so still that Lewis had noted that not a leaf stirred on the very tip of a high
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