Arthur Lee Knight, Leaves from a middy's log (1896)
“ This cave, in which I found myself a most unwilling prisoner, was vast in size and unequal in shape; but I could not see its whole extent from the spot where I lay. The sound of falling water was loud and continuous, and I fancied that there must be a cascade—invisible to me—falling through an orifice in the roof into a pool beneath. ”
