TO 



HIS EMINENCE, CARDINAL MERCIER 



ARCHBISHOP OF MECHLIN 



FOUNDER AND FIRST DIRECTOR 



OF THE INSTITUT SUPERIEUR DE PHILOSOPHIB 



AT THE 



CATHOLIC UNIVERSITY OF LOUVAIN 

 FOUNDER OF THE REVUE NEO-SCOLASTIQUE 



ENLIGHTENED EXPONENT OF THE PHILOSOPHY OF THE SCHOOLS 

 ZEALOUS ADVOCATE OF ITS ABIDING EXCELLENCE 



AND OF ITS HARMONY WITH THE 



ESTABLISHED TRUTHS OF MODERN SCIENCE 



AS A SMALL TOKEN OF ESTEEM AND VENERATION 



THIS WORK 



IS RESPECTFULLY DEDICATED 







BY 



THE AUTHOR 



