But this only throws far backward the history of
civilisation, and shows that animals were domesticated at a much earlier
period than has hitherto been supposed. The lake-inhabitants of
Switzerland cultivated several kinds of wheat and barley, the pea, the
poppy for oil and flax; and they possessed several domesticated animals.
They also carried on commerce with other nations. All this clearly shows,
as Heer has remarked, that they had at this early age progressed
considerably in civilisation; and this again implies a long continued
previous period of less advanced civilisation, during which the
domesticated animals, kept by different tribes in different districts,
might have varied and given rise to distinct races. Since the discovery of
flint tools in the superficial formations of many parts of the world, all
geologists believe that barbarian men existed at an enormously remote
period; and we know that at the present day there is hardly a tribe so
barbarous as not to have domesticated at least the dog.
The origin of most of our domestic animals will probably forever remain
vague. But I may here state that, looking to the domestic dogs of the
whole world, I have, after a laborious collection of all known facts, come
to the conclusion that several wild species of Canidae have been tamed, and
that their blood, in some cases mingled together, flows in the veins of our
domestic breeds.
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