IV.
[18] Henry Buckle, History of Civilization in England, Vol.

I, pp.
86-106.
[19] Heinrich von Treitschke, _Politik_, Vol.

I, p.225.Leipzig, 1897.
This whole chapter on _Land und Leute_ is suggestive.
[20] W.Z.Ripley, Races of Europe, pp.

524-525.

New York, 1899.
[21] _Ibid._, 526.
[22] _Ibid._, 517-520, 533-536.
[23] Joseph Partsch, Central Europe, pp.