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A very excellent account of man's pre-history with a well balanced discussion of the significance of his remains, of the artifacts found with these remains, and of the phyletic relationships of the above findings. From this point the author goes on to a discussion of the dispersion of races and of the early cultures and winds up with the most interesting chapter of all: Present Trends in Evolution, in which the evolution possibilities of man are discussed. The everlasting ambivalency of environment and heredity are dealt with from the point of view of the pressure of the environment and the plasticity of the germ plasm, the possibilities of eugenic control which he does not view with very much enthusiasm, and winds up with a brief discussion of evolution and progress in which he concludes that “the forces of evolution are so manifold and inscrutable that it is useless to predict the course of evolution that lies ahead.” The book is a well presented digest of present knowledge on the subject of the origin of man and is so simply stated that the intelligent layman can thoroughly enjoy it.
White.