And this may have been the reason why at first I failed to notice that anything unusual was about, and why I was less alert than normally; for it was not till after breakfast that the silence of our little party struck me and I discovered that Joan had not yet put in an appearance. And then, in a flash, the last heaviness of sleep vanished and I saw that Maloney was white and troubled and his wife could not hold a plate without trembling.

A desire to ask questions was stopped in me by a swift glance from Dr. Silence, and I suddenly understood in some vague way that they were waiting till Sangree should have gone. How this idea came to me I cannot determine, but the soundness of the intuition was soon proved, for the moment he moved off to his tent, Maloney looked up at me and began to speak in a low voice.

“You slept through it all,” he half whispered.

“Through what?” I asked, suddenly thrilled with the knowledge that something dreadful had happened.