The Popular Science Monthly 



Entered in (he Post Office in Iiancaster, Pa., as second-class matter. 



CONTENTS OF THE FEBRUARY NUMBER 



The International Hygiene ExMbition at Dresden. 

 Dr. Henry G. Beyer. 



The Value of Non-instrumental Weather Observa- 

 tions. Professor Robert DeC. Ward. 



Narrow Jaws and Small Feet. Dr. Richard Cole 

 Newton. 



Conflict of Administrations. President Frank L. 

 McVey. 



Relations of Japan and the United States. President 

 David Starr Jordan. 



Some Interesting Characteristics of the Modern Eng- 

 lish Language. Professor Alexunder Francii 

 Chamberlain. 



Old Academy of Science, Paris. Dr. Edward F. 

 Williams. 



The History of Gold Mining in the United Statei. 

 Professor R. A. F. Penrose, Jr. 



Modern Tenement Houses. Jonathan A. Rawson, Jr. 



History of Gymnosperms. Professor John M. Coulter. 



The Progress of Science: 



The Washington Meeti.-ig of the American Associa- 

 tion ; New College Presidents ; Scientific Items. 



CONTENTS OF THE MARCH NUMBER 



Glimpses of the Great American Desert. Professor 

 Raymond J. Pool. 



A New Development in the Mississippi Delta. Pro- 

 fessor E. W. Hilgard. 



The Imperial Universities of Japan. H. Foster Bain. 



Efficiency Wage Standards. Professor Scott Nearing. 



The Instinctive Element in Human Society. Profes- 

 sor Charles A. Ellwood. 



Types of Men. Professor S. N. Patten. 



Time and Space. Dr. Charles W. Super. 



Professional Training for Child Hygiene. Professor 

 Lewis M. Terman. 



The Four Periods in the Development of the Modem 

 Zoological System. Professor H. S. Pratt. 



Florentine Ameghino. Dr. W. D. Mathew. 



The Progress of Science : 



Ten Years of the Carnegie Institution; Lord 



Lister ; Scientific Items. 



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