VI PREFACE. 



opportunity which offered to point incidentally to the 

 leading ideas which have guided me in this review of the 

 Philosophical Thought of the Century, and which should 

 come out more clearly and be brought to a final ex- 

 pression in a following volume. I have also, to facilitate 

 the study of the subject, added a preliminary index 

 which, when the fourth volume appears, will be cancelled 

 to make place for a more comprehensive index covering 

 both volumes. 



As in the earlier volumes, I have again been assisted 

 by the advice and encouragement of many friends. To 

 the names given before I wish to add that of Prof. 

 W. R Sorley of King's College, Cambridge, to whose 

 valuable suggestions I have, as will be seen, referred in 

 several instances. I must again express my deep sense 

 of obligation to Mr Thos. Whittaker, B.A., whose assist- 

 ance has in this section exceeded in importance, if possible, 

 even that which he had so fully given me in the earlier 

 volumes. 



The fourth volume will continue the plan described 

 in the Introduction to this volume by adding chapters, 

 Of the Beautiful, Of the Good, Of the Spirit, Of Society, 

 Of Systems of Philosophy, and will close with a summary 

 on the general outcome of Philosophical Thought during 

 the Nineteenth Century. 



J. THEO. MERZ. 



THE QUARRIES, 

 NBWCASTLE-UPON-TYNE, November 1912. 



