ntington, The Pulse of Asia, p. 87. Boston, 1907.

[1201] E.C. Semple, American History and Its Geographic Conditions, pp.
184-185. Boston, 1903.

[1202] Isabella Bird Bishop, The Yangtze Valley and Beyond, Vol. II, pp.
70-72, 88, 91. London, 1900.

[1203] Francis H. Nichols, Through Hidden Shensi, pp. 170-171. New York,
1902.

[1204] Otis T. Mason, Primitive Travel and Transportation, pp. 450-454,
474-475. _Smithsonian Report_, Washington, 1896.

[1205] Col. George E. Church, The Acre Territory and the Caoutchouc
Regions of Southwestern Amazonia, _Geog. Jour_. May, 1904. London.

[1206] M. Huc, Journey through the Chinese Empire, pp. 39-40. New York,
1871.

[1207] Perceval Landon, The Opening of Tibet, pp. 54-55. New York, 1905.

[1208] Jean Baptiste Tavernier, Travels in India. Vol. II, p. 264.
Translated from the French of 1676. London, 1889.

[1209] E.F. Knight, Where Three Empires Meet, pp. 231, 274, 276,
286-289. London, 1897.

[1210] Census of the Philippine Islands, Vol. I, p. 544. Washington,
1905.

[1211] Joseph Partsch, Central Europe, p. 134. London, 1903.

[1212] M.S.W. Jefferson, Caesar and the Central Plateau of France,
_Journal of Geog._, Vol. VI, p. 113. New York, 1897.

[1213] P. Vidal de la Blache, _Tableau de la Geographie de la France_,
p. 276. Paris, 1903.

[1214] E.A. Freeman, Historical Geography of Europe, Vol. I, p. 450-453.
London, 1882.

[1215] William Morris Davis, Physical Geography, p. 183. Boston, 1899.

[1216] P. Vidal de la Blache, _Tableau de la Geographie de la France_,
p. 260, map p. 261. Paris, 1903.

[1217] Indian Census for 1901, Risley and Gait, Vol. I, Part I, pp. 1,
2, Calcutta, 1905.

[1218] Hans Helmolt, History of the World, Vol. IV, p. 479. New York,
1902.

[1219] Sir Thomas Holdich, India, p. 67, cartogram of Hindu Kush
orography. London, 1905.

[1220] _Ibid._, pp. 102-104.

[1221] _Ibid._, p. 26.

[1222] J. Partsch, Central Europe, p. 27. London, 1903.

[1223] B.H. Baden-Powell, The Indian Village Community, pp. 40-45, 111,
116. London, 1896.

[1224] H.R. Mill, International Geography, pp. 394-395. New York, 1902.

[1225] Gottfried Merzbacher, _Aus den Hochregionen des Kaukasus_, pp.
73-78. Leipzig, 1901.

[1226] W.Z. Ripley, The Races of Europe, p. 438. New York, 1899.

[1227] _Ibid._, Maps pp. 143, 147, text p. 148.

[1228] E. Huntington, The Pulse of Asia, pp. 106-109. Boston, 1907.

[1229] W.Z. Ripley, The Races of Europe, pp. 24