"Then the moment you call I'm to start?"

"Yes. I shall be outside somewhere. It depends on the wind and weather a little, but probably I shall be hovering above the trees. You must dash out of the window and join me the moment you hear me call. Clear the wall without sinking into the yard, and mind he doesn't tear your wings off as you fly by."

"What will happen, though, if I don't find you?" he asked.

"You might get lost. If he succeeds in getting me out of the way first, you're sure to get lost——"

"But I've had long flights without getting lost," he objected.

"Nothing to this one," she replied. "It will be tremendous. You see, Jimbo, it's not only distance; it's change of condition as well."

"I don't mind what it is so long as we escape together," he said, puzzled by her words.

He kept his eyes fixed on her face. It seemed to him she was changing even as he looked at her. A sort of veil lifted from her features. He fancied he could see the shape of the door through her body.

"Oh, please, Miss Lake——" he began in a frightened voice, taking a step towards her. "What is the matter? You look so different!"