142 BIBLIOGRAPHT 



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CHAPTER X. SURVIVAL OF THE FITTEST. 



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CHAPTER XI. PERFECT HEALTH. Sce 126, I27 



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138. Hall, G. S., Contents of Children's Minds on Entering School, 



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140. Hall, G. S., Youth, New York, 1906 



141. Gulick, L. H., The Efficient Life, New York, 1907 



142. James, W., TaJks to Teachers, New York, 1905 



