While the boy stared, the old man slowly rose, saying, "The spirits of the living are strong to-day!" He had seen a mass of rock dashing along, killing some quarrymen and tearing down the path.

The accident occurred next day.
It is needless to dwell on second sight, which is not peculiar to Celts, though the Highlanders talk more about it than other people.
These appearances of the living but absent, whether caused by some mental action of the person who appears or not, are, at least, _unconscious_ on his part.

{88} But a few cases occur in which a living person is said, by a voluntary exertion of mind, to have made himself visible to a friend at a distance.

One case is vouched for by Baron von Schrenck-Notzig, a German psychologist, who himself made the experiment with success.

Others are narrated by Dr.Gibotteau.