Vol. LXIX. No. 4 OCTOBER, 1906 



THE 



POPULAR SCIENCE 

 MONTHLY. 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



The Earthquake Rift of 1906. President David Starr Jordan . . . 289 



The Value of Science. M. H. Poincare 310 



Francis Bacon and the Modern University. Professor Edward O. 



Sisson .320 



Briticisms versus Americanisms. Professor Edwin W. Bo wen . . . 324 



Difficult Boys. Dr. J. Madison Taylor 338 



Genius. Dr. Robert Morris Ogden 352 



The Birth of the Idea of Spirit in Greek Thought. President Mary 



Mills Patrick 357 



The Scientific Aspects of Luther Burbank's Work. Professor Vernon 



L. Kellogg 36 



Discussion and Correspondence : 



The Effects of Immigration on Homicide. Professor Morris Loeb .... 375 



The Progress of Science : 



The British Medical Association and the University of Toronto ; The National Pure 

 Food Law ; Scientific Items 380 



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