COLLATERAL READINGS SUGGESTED 

 IN CONNECTION WITH ESSAY I. 



Biographical Sketch of Herbert Spencer, by Professor E. L. 

 Youmans (in Popular Science Monthly, March, 1876); Essays on 

 Spencer, in Popular Science Monthly, November, 1874, and North 

 American Review , October, 1879, by Prof essor Youmans ; Spencer'' s 

 Reconciliation of Religion and Science, by Professor Youmans (in 

 Christian Examiner, May, 1862); Spencer's Education, Study of So- 

 ciology, Essays, and Recent Discussions. 



