Note 1155 — Chapter XIV

J. L. Myres, The Dawn of History, 1911, pp. 118-9. For an admirable description of the Semitic migrations see pp. 104-5, and for the geographical aspect, see E. C. Semple, Influences of Geographic Environment: on the basis of Ratzel's System of Anthropo-Geography, 1911, pp. 6-7 and under "Nomads" in the Index.