The Descent of Man

low temperature, or any considerable change of
climate; and that the species which come nearest
to man have never been reared to maturity,
even under the temperate climate of Europe.
He would be deeply impressed with the fact,
first noticed by Agassiz (7. 'Diversity of Origin
of the Human Races,' in the 'Christian Examiner,'
July 1850.), that the different races of man
are distributed over the world in the same zoological
provinces, as those inhabited by undoubtedly
distinct species and genera of
mammals. This is manifestly the case with the
Australian, Mongolian, and Negro races of
man; in a less well-marked manner with the
Hottentots; but plainly with the Papuans and
Malays, who are separated, as Mr. Wallace has
shewn, by nearly the same line which divides
the great Malayan and Australian zoological
provinces. The Aborigines of America range
throughout the Continent; and this at first appears
opposed to the above rule, for most of the
productions of the Southern and Northern hal-