. 184, 219-220, 270-272, 300.

[547] Ratzel, History of Mankind, Vol. II, p. 288. London, 1896-1898.

[548] _Ibid._, Vol I, pp. 358-359. Spencer and Gillen, Northern Tribes
of Central Australia, pp. 679-680. London, 1904.

[549] Ratzel, History of Mankind, Vol. I, pp. 153-154; Vol. II, pp. 91,
100. London, 1896-1898.

[550] _Ibid._, Vol. I, pp. 166-170.

[551] Captain Winkler, Sea Charts Formerly Used in the Marshall Islands,
Smithsonian Report for 1899, translated from the _Marine Rundschau_.
Berlin, 1898.

[552] Captain James Cook, Journal of First Voyage Round the World, pp.
70, 105, 119, 221, 230. Edited by W.J.L. Wharton. London, 1893.

[553] Ratzel, History of Mankind, Vol. I, pp. 161, 174. London,
1896-1898.

[554] The Commercial and Fiscal Policy of the Venetian Republic,
_Edinburgh Review_, Vol. 200, pp. 352-353. 1904.

[555] H. Helmolt, History of the World, Vol. I, pp. 188-189, 193-195.
New York, 1902-1906.

[556] G. Sergi, The Mediterranean Race, pp. 29-37. New York, 1901. W.Z.
Ripley, Races of Europe, pp. 128-130, 270-273, 387-390, 407, 444, 448.
New York, 1899.

[557] H.J. Mackinder, Britain and the British Seas, pp. 189-190. London,
1904.

[558] Sydow-Wagner _Schul-Atlas, Voelker und Sprachenkarten_, No. 13.
Gotha, 1905. A. Leroy-Beaulieu, The Empire of the Tsars, map p. 80. New
York, 1897.

[559] Helmolt, History of the World, Vol. VI, pp. 5-17. New York,
1902-1906.

[560] E.C. Semple, The Development of the Hanse Towns in Relation to
their Geographical Environment, _Bulletin American Geographical
Society_, Vol. XXXI, No. 3, 1899.

[561] Helen Zimmern, The Hansa Towns, pp. 24-25, 54-55. New York, 1895.

[562] Nordenskiold, The Voyage of the Vega, pp. 365, 588, 591. New York,
1882.

[563] _Ibid._, pp. 375, 403, 405, 487, 563.

[564] Agnes Laut, The Vikings of the Pacific, pp. 62-105. New York,
1905.

[565] Ratzel, History of Mankind, Vol. III, pp. 446, 449-450. London,
1896-1898.

[566] _Ibid._, Vol. III, pp. 180-195.

[567] Duarte Barbosa, The Coasts of East Africa and Malabar, pp. 17-18.
Hakluyt Society Publications. London, 1866.

[568] Ratzel, History of Mankind, Vol. III, pp. 443-444. London,
1896-1898.

[569] Angus Hamilton, Korea, pp. 130-135. New York, 1904.

[570] Census of the Philippine Islands, Vol. I, pp. 318-320, 478,
481-495. Washington, 1903.

[571] Hans Helmolt, History of the World, Vol. II, pp. 544-545. New
York, 1902-1906.

[572] Ratzel, History of