[5] Steinmetz, Classification, p. 133. [↑]

[6] Vierkandt, l.c., pp. 67, 69, 71, 72. His distinction of nomadic and settled semi-civilized peoples is entirely an economic one. [↑]

[7] We may leave out of the question Zu Wied’s uncertain statement about the Botocudos. Of the pigmy-tribes we do not know very much; but nowhere is it stated that any of them have slaves. [↑]

[8] On the different systems of classification, see Steinmetz’s “Classification”, from which it clearly appears that a good division of the peoples of the earth according to their general culture is still wanting. [↑]

[9] Bagehot, p. 72. [↑]

[10] Grünberg, Article “Unfreiheit”, in Handwörterbuch der Staatswissenschaften, 2nd edition. [↑]

[11] Spencer, Ind. Inst., p. 456. [↑]

[12] Tourmagne, p. 3. [↑]

[13] Morgan, Anc. Soc., pp. 80, 10, 13, 11. [↑]

[14] Schmoller, Die Thatsachen der Arbeitsteilung, p. 1010. [↑]