At four o'clock in the afternoon we were winding down a mountain of dreary and desolate lava to the sea, and closing our pleasant land journey.

This lava is the accumulation of ages; one torrent of fire after another has rolled down here in old times, and built up the island structure higher and higher.

Underneath, it is honey-combed with caves; it would be of no use to dig wells in such a place; they would not hold water--you would not find any for them to hold, for that matter.
Consequently, the planters depend upon cisterns.
The last lava flow occurred here so long ago that there are none now living who witnessed it.

In one place it enclosed and burned down a grove of cocoa-nut trees, and the holes in the lava where the trunks stood are still visible; their sides retain the impression of the bark; the trees fell upon the burning river, and becoming partly submerged, left in it the perfect counterpart of every knot and branch and leaf, and even nut, for curiosity seekers of a long distant day to gaze upon and wonder at.
There were doubtless plenty of Kanaka sentinels on guard hereabouts at that time, but they did not leave casts of their figures in the lava as the Roman sentinels at Herculaneum and Pompeii did.

It is a pity it is so, because such things are so interesting; but so it is.