The Popular Science 



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



CONTENTS OF SEPTEMBER NUMBER 



The Botanical Gardens of Ceylon. Professor 

 Francis Eamaley. 



The Prehistoric Aborigines of Minnesota and their 

 Migrations. N. H. Winchell. 



The Movement toward "Physiological " Psychology. 

 Professor R. M. Wenley. 



The Practical Value of Pure Science. Professor 



Thos. Montgomery, Jb. 

 The Physique of Scholars, Athletes and the Average 



Student. Professor D. A. Sargent. 



Modern and Early Work upon the Question of Root 

 Excretions. Howard S. Reed. 



Silver. Thos. F. Van Wagenen. 



Japanese Handwriting. Dr. E. W. Scripture. 



The Progress of Science : 



The Life and Letters of Herbert Spencer ; The 

 Financial Status of the Professor in the United 

 States and in Germany ; Scientific Items. 



CONTENTS OF OCTOBER NUMBER 

 The Spoliation of the Falls of Niagara. Dr. J. 

 Spencer. 



The Industriesof Niagara Falls 



The Classification of Mathematics. 

 Miller. 



W. 



Raymond H. Arnot. 

 Professor G. A. 



Professor 



Academic Aspects of Administration. 

 Joseph Jastkow. 



Something new in "Freewill." Professor George 

 Stuart Fullerton 



The Specialist Blight on American Education. James 

 P. Munroe. 



The Laws of Social Attraction. Professor Simon N- 

 Patten. 



The Passing of the Sturgeon : A Case of the Unparal- 

 leled Extermination of a Species. Dr. Walter 

 Sheldon Tower. 



Foreign Associates of National Societies. Professor 

 E. C. Pickering. 



The Progress of Science. 



Doctorates conferred by American Universities ; 

 Aerial Navigation ; The Photography of Aquatic 

 Animals in their Natural Environment ; Scientific 

 Items. 



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