The Popular Science Monthly 



Entered in the Pott Office in Lancaster, Pa., as second-class matter. 



' CONTENTS OF JULY NUMBER 



Natural Resistance to Infectious Diseases and Its Rein- 

 forcement. Dr. Simon Flexnee. 



Some Practical Aspects of Gyrostatic Action. Professor 

 W. S. Franklin. 



Josiah Willard Gibbs and His Relation to Modern Science. 

 Fielding H. Garrison. 



A Revolution in Dentistry. Dr. Richard Cole Newton. 



The Origin of the Nervous System and its Appropriation 

 of Effectors. Professor G. H. Parker. 



The Preparation for the Study of Medicine. Dr. Fred- 

 eric T Lewis. 



Darwinism in the Theory of Social Evolution. Professor 

 Franklin H. Giddings. 



Darwin's Influence upon Philosophy. Professor John 

 Dewey. 



The Progress of Science : 



The College and the Student ; The New Buildings of 

 the University of Pittsburgh ; The Percy Sladen 

 Memorial Fund ; Scientific Items. 



CONTENTS OF AUGUST NUMBER 



The Future of Astronomy. Professor Edward C. 



Pickering. 

 The Future of Mathematics. Professor G. A. Miller. 

 The "Druid Stones" of Brittany. Professor J. S. 



KlNGSLEY. 



The Origin of the Nervous System and its Appropria- 

 tion of Effectors. Professor G. H. Parker. 



The Variational Factor in Handwriting. Dr. June E. 

 Downey. 



Jane Lathrop Stanford. President David Starr 

 Jordan. 



Life from the Biologist's Standpoint. Professor William 

 E. Ritter. 



Josiah Willard Gibbs and his Relation to Modern Science. 

 Dr. Fielding H. Garrison. 



The Progress of Science: 



The Death of Simon Newcomb ; The Darwin Com- 

 memoration ; The Winnipeg Meeting of the British 

 Association ; Scientific Items. 



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