Vol. LXIV. No. 1 NOVEMBER, 1903 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEJ^ CATTELL 

 CONTENTS 



The Renaissance of Science. Dr. Edward S. Holden 5 



Life in Other Worlds. Dr. F. J. Allen 26 



The ITew West Point. William J. Roe 32 



A Laboratory for the Study of Marine Zoology in the Tropical Atlantic. 



Dr. Alfred Goldsborough Mayer 41 



The Parent-stream Theory of the Return of Salmon. President David 



Starr Jordan 48 



Hertzian Wave Wireless Telegraphy. Dr. J. A. Fleming 53 



The Bright Side of Russian Immigration. Dr. Allan McLaughlin. . QQ 



The Influence of Brain-power on History. Sir Norman Lockyer ... 71 



Shorter Articles and Discussions : 



The Aurora Borealis of August 21 : De. Alexandee Geaham Bell ; Mr. Cook 



on Evolution, Cytology and Mendel's Laws : Peofessoe E. B Wilson ...<.. 87 



The Progress of Science : 



The College of the City of New York ; Aferial Navigation ; Scientific Items ... 90 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : Sub-Station 84 

 Single Numbeb, 30 Cents Yeaely Subsceiptiom, $3.00 



COPYEIQHT, 1903, BY THE SOIENCB PRESS 



