CHAPTER 21AS soon as I could collect my scattered senses, I found myself nearly suffocated, and grovelling in utter darkness among a quantity of loose earth, which was also falling upon me heavily in every direction, threatening to bury me entirely. Horribly alarmed at this idea, I struggled to gain my feet, and at last succeeded. I then remained motionless for some moments, endeavouring to conceive what had happened to me, and where I was. Presently I heard a deep groan just at my ear, and afterward the smothered voice of Peters calling to me for aid in the name of God. I scrambled one or two paces forward, when I fell directly over the head and shoulders of my companion, who, I soon discovered, was buried in a loose mass of earth as far as his middle, and struggling desperately to free h