COLLATERAL READINGS SUGGESTED 

 IN CONNECTION WITH f:SSAY XIV. 



Spencer's First Prinriplps and Psycholo(jy ; Fiske's Cosmic 

 Philoftoph]/ /Thompson's System of Psychology ; Martineau's Types 

 of Etiilriil Theory ; Peirin's lielUjion of Pliilosoi)fiy ; Abbot's Sci- 

 entific Theism ; E. D. Cope's Oriyin of the Fittest, and Evolution 

 and Idealism, (in Open Court, No. 23); Stallo's General Principles 

 of the Philosophy of Nature, and Concepts and Theories of Modern 

 Physics; hiiWiis^s iristory of Philoso}>hy ; Huxley's Lay Sermons 

 and Critiques and Addresses ; Winchell's Speculative Consequences 

 of Evolution ; Comte's Positive Philusophy ; Writinys of Frederic 

 Harrison. 



