be a
logical
deduction,
but to my
imagination
it is far
more
satisfactory
to look at
such
instincts
as the
young
cuckoo
ejecting
its
foster-brothers,—ants
making
slaves,—the
larvae of
ichneumonidae
feeding
within the
live
bodies of
caterpillars,—not
as
specially
endowed or
created
instincts,
but as
small con-
sequences
of one
general
law,
leading to
the
advancement
of all
organic
beings,
namely,
multiply,
vary, let
the
strongest
live and
the
