PRINTED IN THE U. S. A. BY THE QUINN & BODEN COMPANY RAHWAY, N. J. In the preparation of Chapters II, III, and VI of this book I have drawn on a University of California syllabus, “Three Essays on the Antiquity and Races of Man”; for Chapter VII, on an article “Heredity, Environment, and Civilization” in the _American Museum Journal_ for 1918; and Chapter V makes use of some passages of “The Languages of the American Indians” from the _Popular Science Monthly_ of 1911. In each case there has been revision and for the most part rewriting.…
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