and immediately the mill began to grind salt at a great speed and
presently covered the deck all round where it was working, but the
Captain had forgotten the words spoken by Jack when he stopped the
mill, and though he used all the words he could think of, the mill
kept on grinding, and was rapidly filling every available space on
the deck. The Captain then ran to his cabin and brought out his
sword, and with a terrific blow he cut the mill in halves; but each
piece formed itself into a mill, and both mills continued grinding
until the ship sank to the bottom of the sea, where the mills are
still grinding in the terrible Swalchie of Stroma, and that is why
the water in the sea is salt!

There had been a ferry at John o' Groat's years before our visit, and
mails and passengers had been carried across the Firth to and from the
Orkney Islands, the distance across being shorter from this point than
from any other in Scotland; but for some unexplained reason the service
had been discontinued, and the presence of the ferry would probably
account for so many names being written in the album. The day was
already drawing to a close as we sat down to tea and the good things
provided by Mrs. Mackenzie, and we were waited upon by a Scotch lassie,
who wore neither shoes nor stockings; but this we found was nothing
unusual in the north of Scotland in those days. After tea we adjourned
to our room, and sat down in front of our peat fire; but our
conversational powers soon exhausted themselves, for we felt uncommonly
drowsy after having been exposed so long to the open air. We sat there
silently watching the curling smoke as it went up the chimney and
dreamily gazing into the caverns which had been formed in the fire
below, imagining that we could see all kinds of weird objects therein,
and then we thought of the times when we should not have been able to