] Strabo, Book IV, chap. VI, 7.

[683] Alexis Krausse, Russia in Asia, pp. 361-362. New York, 1899.

[684] Angus Hamilton, Afghanistan, pp. 137-141. New York and London,
1906. Henry Norman, All the Russias, pp. 276-277. New York, 1902.

[685] _Bella Gallico_, Book IV, chap. IV.

[686] _Ibid._, Book I, chap. XXXI; Book II, chap. III; Book IV, chap. I.

[687] Journals of Dr. Thomas Walker and Christopher Gist, p. 129. Filson
Club Publications, Louisville, 1898.

[688] H.R. Schoolcraft, Indian Tribes of the United States, Vol. III,
pp. 248-249. Philadelphia, 1853.

[689] Martha K. Genthe, The Valley Towns of Connecticut, Bull. of Amer.
Geog. Society, Vol. 39, pp. 1-7. New York, 1907.

[690] Ratzel, History of Mankind, Vol. III, pp. 181-182, 192. London,
1898.

[691] H.R. Mill, International Geography, p. 495. New York, 1902.

[692] W.Z. Ripley, Races of Europe, pp. 284-285. New York, 1899.

[693] _Ibid._, Maps pp. 222, 340, 350.

[694] _Ibid._, Maps pp. 402, 429.

[695] J. Partsch, Central Europe, pp. 43, 241. London, 1903.

[696] _Ibid._, p. 69. Sydow-Wagner, _Methodischer Schul-Atlas_, compare
maps No. 13 and No. 25.

[697] Elisee Reclus, Europe, Vol. IV, pp. 380, 389-390. New York, 1882.

[698] W.Z. Ripley, Races of Europe, p. 318, map. New York, 1899.

[699] H.J. Mackinder, Britain and the British Seas, pp. 202-203. London,
1904.

[700] Boyd Alexander, From the Niger to the Nile, Vol. I, pp. 168, 169,
232, 306-307. London, 1907.

[701] Livingstone, Missionary Travels, pp. 102, 642. New York, 1858.

[702] See Century Atlas, maps of Mississippi, Louisiana and Arkansas for
boundary line of 1850.

[703] Sir Thomas Holdich, India, p. 57. London, 1905.

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

[705] Henry M. Stanley, Through the Dark Continent, Vol. II, pp.
120-124, 155-158, 168, 169, 173, 176, 177, 182, 266-274, 327. New York,
1879.

[706] Boyd Alexander, From the Niger to the Nile, Vol. II, pp. 252,
269-270. London, 1907.

[707] Helmolt, History of the World, Vol. I, pp. 189, 192-194. New York,
1902-1906.

[708] Cyrus Thomas, Mound Explorations, pp. 526-527, 531, 551. Twelfth
Annual Report of Bureau of Ethnology, Washington, 1894.

[709] Parkman, The Old Regime in Canada, pp. 292-303. Boston, 1904. E.C.
Semple, The Influences of Geographic Environment on the Lower St.
Lawrence, Bull. of Amer. Geog. Society, Vol. 36, pp. 449-466. 1904.

[710] Martha Krug Genthe, Valley Towns of Connecticut, pp