In
regard to those actions of early infancy which have often been adduced
as illustrations of instinct, the physiologists of the present day are
agreed that they are as mechanical as the act of breathing. To place
these upon the same level with the complex and wonderful operations of
the bee, the ant, and the beaver, is to admit that the instincts of the
latter are merely reflex actions following impressions on the nerves of
sense.
On the other hand, whether the animals inferior to man ever exercise
any conscious process of reasoning is a question which has often been
discussed, and upon which there is no general agreement. Instances of
the remarkable sagacity of some domesticated animals are often adduced
as proofs of reasoning on their part. Some of these wonderful feats may
be traced to the unconscious faculty of imitation, which even in man
often appears as a blind propensity, although he exercises an active
and rational imitation as well. Sometimes the mere association of
ideas, or the perception by animals that one thing is accompanied by
another or that one event follows another, is mistaken for that higher
principle which in man judges, reflects, and understands causes and
effects. When the dog sees his master take down his gun, his
blandishments show that he anticipates a renewal of the pleasures of
the chase.
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