COLLATERAL READINGS SUGGESTED 

 IX CONNECTION WITH ESSAY VIII. 



Spencer's Principles of PsycJiolof/y ; Fiske's Cosmic Philosophy ; 

 Daniel G. Thompson's System of Psychology ; Lewes' s 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 3Iental Evolution 

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

 of Micro-Organisms. 



