COLLATERAL READINGS SUGGESTED: . 



Spencer's First Principles, Principles of Biology, Principles of Psy- 

 chology, Principles of Sociology, Data of Ethics, and Chapters on Jus- 

 tice, in Popular Science Monthly ; Fiske's Cosmic Philosophy ; Thomp- 

 son's A System of Psychology ; Cazelles's Evolution Philosophy ; E, L. 

 Youmans's Lecture on Herbert Spencer and the Doctrine of Evolution, 

 in Gazelles. 



