COLLATERAL READINGS SUGGESTED 



IX CONNECTION WITH ESSAY VIII. 



Spencer's Principles of Psychology ; Fiske's Cosmic Philosophy ; 

 Daniel Ct. Thompson's System of Psychology ; Liewesi''fi Problems 

 of Life and Mind; Bain's Mental Science and Mind and Body; 

 Maudsley's Physical Basis of Mind; Clifford's Seeing and Think- 

 ing ; Darwin's Expression of the Emotions in Men and Animals; 

 Lindsay's Mind in the Lower Animals; Romane's Mental Evolution 

 in Animals and Mental Evolution in Man; Binet's Psychic Life 

 of Micro-Organisms. 



