his own experience, and confirms it down to its minutest details.

Although I am far from believing that the kind of phenomena above
referred to form in themselves a proper foundation for a
superstructure of scientific demonstration, I nevertheless find them
valuable as a completion and further confirmation of the series of
phenomena presented to us by the clairvoyance which we observe in
human and animal instinct. Even though they only continue this
series {128} through the echo that is awakened within our
consciousness, they as powerfully support the account which
instinctive actions give concerning their own nature, as they are
themselves supported by the analogy they present to the clairvoyance
observable in instinct. This, then, as well as my desire not to lose
an opportunity of protesting against a modern prejudice, must stand
as my reason for having allowed myself to refer, in a scientific
work, to a class of phenomena which has fallen at present into so
much discredit.

I will conclude with a few words upon a special kind of instinct
which has a very instructive bearing upon the subject generally, and
shows how impossible it is to evade the supposition of an unconscious
clairvoyance on the part of instinct. In the examples adduced
hitherto, the action of each individual has been done on the
individual's own behalf, except in the case of instincts connected
with the continuation of the species, where the action benefits
others--that is to say, the offspring of the creature performing it.

We must now examine the cases in which a solidarity of instinct is
found to exist between several individuals, so that, on the one hand,
the action of each redounds to the common welfare, and, on the other,