The Descent of Man

llowed by Rudolphi, in his 'Beytrage zur Anthropologie,'
1812. An excellent summary of the
evidence is given by Godron, 'De l'Espece,'
1859, vol. ii. p. 246, etc.) This view has been
rejected chiefly because the distribution of the
variously coloured races, most of whom must
have long inhabited their present homes, does
not coincide with corresponding differences of
climate. Some little weight may be given to
such cases as that of the Dutch families, who, as
we hear on excellent authority (53. Sir Andrew
Smith, as quoted by Knox, 'Races of Man,' 1850,
p. 473.), have not undergone the least change of
colour after residing for three centuries in
South Africa. An argument on the same side
may likewise be drawn from the uniform appearance
in various parts of the world of gipsies
and Jews, though the uniformity of the
latter has been somewhat exaggerated. (54. See
De Quatrefages on this head, 'Revue des Cours
Scientifiques,' Oct. 17, 1868, p. 731.) A very
damp or a very dry atmosphere has been sup-