"One moment, George, while I drive," I said. For we had now arrived at the third tee.

"A curious thing, concentration," said George, "and why certain phenomena should prevent us from focusing our attention—— This brings me to the vexed question of sleep. Why is it that we are able to sleep through some vast convulsion of Nature when a dripping tap is enough to keep us awake? I am told that there were people who slumbered peacefully through the San Francisco earthquake, merely stirring drowsily from time to time to tell an imaginary person to leave it on the mat. Yet these same people——"

Celia's drive bounded into the deep ravine which yawns some fifty yards from the tee. A low moan escaped her.

"Where you went wrong there——" said George.

"I know," said Celia. "I lifted my head."

I had never heard her speak so abruptly before. Her manner, in a girl less noticeably pretty, might almost have been called snappish. George, however, did not appear to have noticed anything amiss. He filled his pipe and followed her into the ravine.

"Remarkable," he said, "how fundamental a principle of golf is this keeping the head still. You will hear professionals tell their pupils to keep their eye on the ball. Keeping the eye on the ball is only a secondary matter. What they really mean is that the head should be kept rigid, as otherwise it is impossible to——"

His voice died away. I had sliced my drive into the woods on the right, and after playing another had gone off to try to find my ball, leaving Celia and George in the ravine behind me. My last glimpse of them showed me that her ball had fallen into a stone-studded cavity in the side of the hill, and she was drawing her niblick from her bag as I passed out of sight. George's voice, blurred by distance to a monotonous murmur, followed me until I was out of earshot.

I was just about to give up the hunt for my ball in despair, when I heard Celia's voice calling to me from the edge of the undergrowth. There was a sharp note in it which startled me.

I came out, trailing a portion of some unknown shrub which had twined itself about my ankle.