[579] Census of the Philippine Islands, Vol. I, pp. 465, 563-567, 573.

Washington, 1905.

[580] Sir John Lubbock, Prehistoric Times, pp. 173-223. New York, 1872.

[581] Ferdinand Keller, Lake Dwellings, Vol. I, pp. 2-7, 576. London, 1876. English Lake Dwellings, _Westminster Review_, pp. 337-347. 1887.

[582] P.W. Joyce, A Social History of Ancient Ireland, Vol. II, pp.

65-66. London, 1903.

[583] Herodotus, V. 16.

[584] Alexander von Humboldt, Aspects of Nature, pp. 148-149. Translated by Mrs. Sabine, Philadelphia, 1849. E.F. im Thurn, Among the Indians of Guiana, p. 203. London, 1883.

[585] Sir Thomas Holdich, India, p. 184. London, 1905.

[586] Verney L. Cameron, Across Africa, pp. 332-334. London, 1885.

[587] David and Charles Livingstone, Narrative of Expedition to the Zambezi, p. 414. New York, 1866.

[588] Census of the Philippine Islands, Vol. I, pp. 464-466, 565.

Washington, 1905.

[589] Stanford's Australasia, Vol. II, pp. 256-257. London, 1894.

[590] A.R. Wallace, The Malay Archipelago, pp. 368, 381. New York, 1869.

[591] Ratzel, History of Mankind, Vol. I, pp. 262-263, 344. London, 1896-1898.

[592] Richard Semon, In the Australian Bush, pp. 340-342, 347. London, 1899.

[593] John L. Stoddard, Lectures, Vol. III, p. 311. Boston, 1903.

[594] John Barrows, Travels in China, pp. 377-379. Philadelphia, 1805.

[595] William M. Wood, Fankwei, pp. 169-174. New York, 1859.

[596] Edmondo de Amicis, Holland and Its People, pp. 4-13. New York, 1890.

[597] G.P. Marsh, The Earth as Modified by Human Action, chap. IV, pp.

330-352. New York, 1871.

[598] J. Partsch, Central Europe, pp. 106-108. London, 1903.

[599] Roscher, _National-Oekonomik des Ackerbaues_, p. 127, Note 1.

Stuttgart, 1888.

[600] Elisee Reclus, Europe, Vol. IV, pp. 222-223. New York, 1886.

Miller and Skertchley, The Fenland, Past and Present, pp. 7-9. London, 1878.

[601] _Ibid._, pp. 145-147.

[602] Sir Samuel W. Baker, The Albert Nyanza, Great Basin of the Nile, pp. 49-50. London and Philadelphia, 1866.

[603] Diodorus Siculus, Book I, chap. III, p. 41. Translated by G.

Booth. London, 1814.

[604] David Livingstone, Missionary Travels in Africa, pp. 234-236, 239, 272. New York, 1858.

[605] Felix Dubois, Timbuctoo, pp. 51-55, 145. New York, 1896.

[606] Isabella B. Bishop, The Yangtze Valley and Beyond., Vol. I, pp. 8, 10, 97. London and New York, 1900.

[607] Cyrus Thomas, Mound Explorations, pp. 626, 650-653. Twelfth Annual Report Bureau of Ethnology, Washington, 1894.

[608] Strabo, Book V, chap. I, 4.

[609] W. Deecke, Italy, pp. 88-89. London, 1904.

[610] John Barrows, Travels in China, p. 349. Philadelphia, 1805.

[611] Meredith Townsend, Asia and Europe, pp. 278-284. New York, 1904.

[612] Isabella B. Bishop, The Yangtze Valley and Beyond, Vol. II, pp.

72-73 76-81. New York and London, 1900. For the future of land reclamation, see N.S. Shaler, Man and the Earth, chap. V. New York, 1906.

[613] Strabo, Book X, chap. II, 19.

[614] John W. Draper, Intellectual Development of Europe, Vol. I, pp.

84-86. New York, 1876.

[615] Winwood Reade, The Martyrdom of Man, pp. 9-17. Eighth Edition, New York.

[616] Irrigation, Thirteenth Report of the U.S. Geological Survey, Part III, pp. 133-135. Washington, 1895. J.W. Powell, Twenty-third Annual Report of the Bureau of Ethnology, pp. XII, XIII. Washington, 1904.

Cosmos Mindeleff, Aboriginal Remains in the Verde Valley, Arizona, pp.

187, 192-194, 238-245. Thirteenth Annual Report of Bureau of Ethnology.

Washington, 1896. V. Mindeleff, Pueblo Architecture, pp. 80, 216-217.

Eighth Annual Report of Bureau of Ethnology. Washington, 1891. F. W.

Hodge, Prehistoric Irrigation in Arizona, _American Anthropologist_, July, 1893.

[617] McGee and Thomas, Prehistoric North America, pp. 105-106, 113, 118, 120-144, 478. Philadelphia, 1905.

[618] Eleventh Census, Report on the Indians, pp. 49, 161, 415.

Washington, 1894. D.G. Brinton, The American Race, pp. 116-117.

Philadelphia, 1901.

[619] _Ibid._, pp. 161, 181, 182, 188, 191, 193, 198, 410, 441-445. M.C.

Stevenson, The Zuni Indians, pp. 351-354. Twenty-third Annual Report of Bureau of Ethnology, Washington, 1904.

[620] _Ibid._, pp. 13-14. H.H. Bancroft, The Native Races, Vol. I, pp.