For the first time I realised how the lateness of the hour might affect me. The sun had set some minutes since, the swift dusk of the tropics was already fading out of the eastern sky, and a pioneer moth fluttered silently by my head. Unless I would spend the night among the unknown dangers of the mysterious forest, I must hasten back to the enclosure. The thought of a return to that pain-haunted refuge was extremely disagreeable, but still more so was the idea of being overtaken in the open by darkness and all that darkness might conceal. I gave one more look into the blue shadows that had swallowed up this odd creature, and then retraced my way down the slope towards the stream, going as I judged in the direction from which I had come.