Vol. LXXII. No. 6- JUNE, 1908 



THE 



POPULAR SCIENCE 

 MONTHLY. 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



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



"Wenley 481 



Coincident Activities of the Earth and the Sun. Dr. Ellsworth Hunt- 

 ington # . 492 



Springs as a Geographic Influence of Humid Climates. Professor Frank* 



Carney 503 



Johannes Miiller. Dr. Philip B. Hadley .......... 512 



The Genesis of Ores in the Light of Modern Theory. Horace V. 



Winchell ' . 537 



The Relation between Recent Industrial Progress and Educational Ad- 

 vance. Dr. Frank T. Carlton 546 



The Dawn of Quadrupeds in North America. Dr. Roy L. Moodie . . 558 



The Progress of Science : 



The National Academy of Sciences and the American Philosophical Society ; Dedi- 

 cation of the New Buildings of the College of the City of New YorK; Lewis Henry 

 Morgan ; The Sargent Anniversary Medal ; Scientific Items 567 



Index to Volume LXXII *. ... 573 



THE SCIENCE PRESS 



Lancaster, pa. garrison, n. t. 



NEW YOEK: Sub-Station 84 



Single Ntjmbeb, SO Cents Yeably Subscbtption, $3.00 



Coptkight, 1908, BY THE SCIENCE PRESS 



