Vol. LXXIII. No. 3. SEPTEMBER 1908 



THE 



POPULAR SCIENCE 

 MONTHLY. 



EDITED BY J. McKEEN CATTELL 

 CONTENTS 



The Botanical Gardens of Ceylon. Professor Francis Ramaley . . . 193 

 The Prehistoric Aborigines of Minnesota and their Migrations. N. H. 



Winchell . 207 



The Movement towards " Physiological" Psychology. Professor R. M. 



Wenley 226 



The Practical Value of Pure Science. Professor Thos. Montgomery, Jr. 234 



The Physique of Scholars, Athletes and the Average Student. Professor 



D. A. Sargent ........ 248 



Modern and Early "Work upon the Question of Root Excretions. Howard 



S. Reed 257 



Silver. Theo: F. Van Wagenen 267 



Japanese Handwriting. Dr. E. W. Scripture 277 



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 283 



THE SCIENCE PRESS 



Lancaster, pa garrison, n. T. 



NEW YORK: Sub-Station 84 



Single Number, 30 Cents Yearly Subscription, $3.00 



Copykight, 1903, BY THE SCIENCE PRESS 



