“All that witches need is a broomstick,” he said playfully. “But perhaps you’re not that sort of a witch, little sister.”

“What shall we call it, Steve?” she asked, seriously. “Of course it’s a biplane, because there are really two planes, one being above the other; but it is not in the same class with other biplanes. We must have a distinctive name for it.”

“I’ve thought of calling it the ‘Kane Aircraft,’” he answered. “How does that strike you?”

“It has an original sound,” Orissa said. “Oh, Steve! couldn’t we try it to-night? It’s moonlight.”

He shook his head quickly, smiling at her enthusiasm.

“I’m afraid not. You’re tired, and have the dinner to get and the day’s dishes to wash and put away. As for me, I’m so dead for sleep I can hardly keep my eyes open. I must rest, so as to have a clear head for to-morrow’s flight.”

“Shall we say anything to mother about it?”

“Why need we? It would only worry the dear woman unnecessarily. Whether I succeed or fail in this trial, it will be time enough to break the news to her afterward.”

Orissa agreed with this. Mrs. Kane knew the airship was nearing completion but was not especially interested in the venture. It seemed wonderful to her that mankind had at last learned how to fly, and still more wonderful that her own son was inventing and building an improved appliance for this purpose; but so many marvelous things had happened since she became blind that her mind was to an extent inured to astonishment and she had learned to accept with calm complacency anything she could not comprehend.

Brother and sister at last tore themselves away from the fascinating creation and returned to the house, where Steve, thoroughly exhausted, fell asleep in his chair while Orissa was preparing dinner. He went to bed almost immediately after he had eaten and his sister also retired when her mother did, which was at an early hour.