resounded through the still night. For five minutes he was so close to my rock that by stretching out my hand I could have touched the hideous waving hackles upon his back. Then he lumbered away and was lost among the boulders.
Looking at my watch, I saw that it was half-past two o'clock, and high time, therefore, that I started upon my homeward journey. There was no difficulty about the direction in which I should return, for all along I had kept the little brook upon my left, and it opened into the central lake within a stone's-throw of the boulder upon which I had been lying. I set off, therefore, in high spirits, for I felt that I had done good work and was bringing back a fine budget of news for my companions. Foremost of all, of course, were the sight of the fiery caves and the certainty that some troglodytic race inhabited them. But besides that I could speak from experience of the central lake. I could testify that it was full of strange creatures, and I had seen several land forms of primæval life which we had not before encountered. I reflected as I walked that few men in the world could have spent a stranger night or added more to human knowledge in the course of it.
I was plodding up the slope, turning these thoughts over in my mind, and had reached a point which may have been half-way to home, when my mind was brought back to my own position by a strange noise behind me. It was something between a snore
