Nan sat humming a song, when she suddenly stopped and leaned toward Stuart.

"Jim!" she said, softly.

He looked up with a start.

"I honestly believe you were asleep!" she laughed with a touch of petulance.

"No," he protested seriously. "I was just drinking in the joy of this wonderful night."

"Forgetting that I exist?"

Stuart looked at her intently a moment and said, gravely:

"As if any man who ever knew you, could forget!"

"I don't like your attitude, Jim, and I think we'd better fight it out here and now in the beginning of this trip."

"And what is my offense?"