What the name means I can't say.

The guide tells you to pause in your scrambling over loose stones and muddy soil,--which you are always willing to do,--and to put your head through a circular aperture, and to look up while he lights the Bengal light; you obey, and look up upon columns of fluted, snowy whiteness; he tells you to look down, and you follow the same pillars down--up to heights which the light cannot climb, down to depths on which it cannot fall.
"You shudder as you look up, and you shudder as you look down.

Indeed, the march of the cave is a series of shudders.

Geologists may enjoy it, a large party may be merry in it; but if the 'underground railroad' of the slaves is of that kind, I should rather remain a slave than undertake a runaway trip! "May 18.

To-day we retraced our steps from Nashville to Chattanooga.