[70] Ratzel, l. c. I, pp. 478–9.
[71] A. Vierkandt, Die wirtschaftlichen Verhältnisse der Naturvölker. Zeitschrift für Sozialwissenschaft, II, pp. 177–8.
[72] Kulischer, l. c. pp. 320–1.
[73] Lippert, l. c. I, p. 266, et seq.
[74] Cf. Westermarck, History of Human Marriage.
[75] Ratzel, l. c. II, p. 27.
[76] Herodotus IV, 23, cited by Lippert, l. c. I, p. 459.
[77] Lippert, l. c. II, p. 170.
[78] Mommsen, l. c. I, p. 139.
[79] Similar conditions may be observed among the islanders near India. Here the Malays are vikings. “Colonization is an important factor, as conquest and settlement oversea ... reminding one of the great rôle played in ancient Hellas by the roving tribes.... Every strip of coast line shows foreign elements, who enter uncalled for and in most instances spreading damage among the natives. The right of conquest was granted by the rulers of Tornate to noble dynasts, who later on became semi-sovereign viceroys on the islands of Buru, Serang, etc.”