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without the end being
known,—
known—
for the young pointer can no more know that he points to aid his master, than the white butterfly knows why she lays her eggs on the leaf of the
cabbage,—
cabbage—
I cannot see
that'
that
these actions differ essentially from true instincts. If we were to
see
behold
one kind of wolf, when young and without any training, as soon as it scented its prey, stand motionless like a statue, and then slowly crawl forward with a peculiar gait; and another kind of wolf rushing round, instead of at, a herd of deer, and driving them to a distant point, we should assuredly call these actions instinctive. Domestic instincts, as they may be called, are certainly far less fixed
or invariable
....
than natural instincts; but they have been acted on by far less rigorous selection, and have been transmitted for an incomparably shorter period, under less fixed conditions of life.
How strongly these domestic instincts, habits, and
dis-
....
positions
dispositions
are inherited, and how curiously they become mingled, is well shown when different breeds of dogs are crossed. Thus it is known that a cross with a bull-dog has affected for many generations the courage and obstinacy of greyhounds; and a cross with a greyhound has given to a whole family of shepherd-dogs a tendency to hunt hares. These domestic instincts, when thus tested by crossing, resemble natural instincts, which in a like manner become curiously blended
to gether,
to- gether,
together,
and for a long period exhibit traces of the instincts of either parent: for example, Le Roy describes a dog, whose great-grandfather was a wolf, and this dog showed a trace of its wild parentage only in one way, by not coming in a straight line to his
master,
master
when called.
Domestic instincts are sometimes spoken of as actions which have become inherited solely from long-continued and compulsory
habit;
habit,
but
this,
this
I think,
....
is not true. No one