The Popular Science Monthly 



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



CONTENTS OF THE AUGUST NUMBER 



The Earth And Sun as Magnets. Dr. George Ellery 

 -Hale. 



Eugenics, wfths special reference to Intellect and 

 Character. iProfessor Edward L. Thorndike. 



Education through Beading; Dr. E. Benjamin 

 Andrews. 



The Genesis of Personal Traits. Prof..S. N. Patten. 



The Sequence ofiSciencesin-the'High School. Josiah 

 Main. 



The Relation of Culture to Environment from the 

 Standpoint of Invention. Dr. Clark Wissler. 



The Future of the North American Fauna. The late 

 Dr. Walter Hahn. 



The Size of Organisms and of their Constituent Parts 

 in relation to Longevity and Senescence. Prof. 

 Edwin G. Conglin. 



Bernoulli's Principle and its Application to explain 

 the Curving of a Baseball. Dr. S. LeRoy Brown. 



The Progress of Science: 



The Bureau of Science in theThilippine Island! ; 

 The Distribution and Cause of Pellagra; Scien- 

 tific Items. 



CONTENTS OF THE SEPTEMBER NUMBER 



The Nitrate Fields of Chile. Dr. Walter S. Tower. 



The Power of Growth in Plants. George E. Stone. 



The Absorption and Emission Centers of Light and 

 Heat. Dr. W. W. Strong. 



In Quest of the Alcohol Motive. Professor G. T. W. 

 Patrick. 



The Next College President A Near Professor. 



The M atter of College Entrance Requirements. Pro- 

 fessor Frank L. McVey. 



The Lesson of Canal Zone Sanitation. Dr. J. S. 

 Lankford. 



A Biological Forecast. Professor G. H. Parker. 



The Progress of Science : 



Wharf-pile Fauna in a Museum Group • The In- 

 ternational Medical Congress ; Scientific Items. 



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