The Popular Science Monthly 



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



CONTENTS OF THE MARCH NUMBER 



Henri Poincare as an Investigator. Professor James 



Byrnie Shaw. 

 A Chronicle of the Tribe of Corn. Professor E. M. East. 

 The Utilization of the Nitrogen of the Air. Professor 



Arthur A Noyes. 

 The Laboratory Method and High-school Efficiency. 



Professor Oris W. Caldwell. 

 How European Agriculture is Financed. Professor H. 



C. Price. 

 A Study in Jewish Psychopath ology. Dr. J. G. Wilson. 

 The Language of Meteorology. Charles Fitzhigh 



Talman. 

 The Sweden "Valley Ice Mine and its Explanation. 



Marlin 0. Andrews. 

 What Becomes of the Light of the Stars. Dr. Frank W. 



Very. 

 The Progress of Science : 



The Academic Situation ; The Depths of the Ocean ; 



George Howard Darwin ; Scientific Itemis. 



CONTENTS OF THE APRIL NUMBER 



The Influence of Forests upon Climate. Professor 

 Robert DeC. Ward. 



Goethe and the Chemists. Professor Roy Temple 

 House. 



The Domestication of American Grapes. Professor 

 U. P. Hedrick. 



United States Publio Health Service. Dr. Alfred G. 

 Reed. 



The Increasing Mortality from Degenerative Mala- 

 dies. E. E. Rittenhouse. 



The Life Insurance Company as a Dynamic in the 

 Movement for Physical Welfare. Dr. Eugene 

 Lyman Fisk. 



Natural Selection. Proftssor T. D. A. Cockerell. 



Some Random Thoughts concerning College Condi- 

 tions. Professor John J. Stevenson. 



The Progress of Science : 



Research Institutions ; The Kallikak Family ; 

 Scientific Items. 



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