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An eAddress

to find that an insect which has but a few weeks
of life will lay hundreds of eggs—of the nature
and purpose of which it can have absolutely no
reasonable knowledge—yet it will spend the chief
part of its short life in the careful disposal of these
eggs in the manner best calculated to ensure
their survival, and thereby the continuation of
the species—concerning all which again it can
know nothing ; nor could all our Reason inform
it. . Again, I have read of the horse, that on the
wide American prairies a horse-dealer will often
make a circuit of a hundred miles or more, visiting
 the farms and settlements, and buying at each
what beasts he may. If, in any part of his round,
a horse escapes from his drove, it will return in a
straight line tots native homestead. It does not
retrace its steps, but takes a bee-line, as itis called,
from the spot where it escapes to the spot whence
it was taken.
Such examples could be multiplied indefinitely.
I+. does not matter which you may choose : they
are all alike in principle. They are often called
‘ the marvels of Instinct’, by which is implied

that wewonder at them, because we cannot under-