XVI CONTENTS. 



Difficulties on the Theory of Natural Selection The Origin of Some 

 of Man's Mental Faculties, by the preservation of Useful Variations, 

 not possible Difficulty as to the Origin of the Moral Sense Sum- 

 v mary of the Argument as to the Insufficiency of Natural Selection to 

 account for the Development of Man The Origin of Consciousness 

 The Nature of Matter Matter is Force All Force ia probably 

 Will-force Conclusion .... . Pp. 332 371 



