

Vo,LXXVn. N o.*. APRIL, 1910 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



Laws of Diminishing Environmental Influences. Dr. Frederick Adams 

 Woods • 313 



The Leadiog School of Tropical Medicine. Dr. Edward Nelson Tobey . 338 



The Growth of a Language. Dr. Charles W. Super 345 



The Denominational College. Dr. Ivy Kellerman 358 



The Trial of an Old Greek Corn-ring. Dr. Frederic Earle Whitaker . 370 



The Population of the United States. Professor James S. Stevens . . 382 



Preservation of the Fisheries on the High Seas. Dr. Charles Hugh 



Stevenson 396 



The Research Work of the Tortugas Laboratory. Dr. Alfred Golds- 

 borough Mayer 389 



The Progress of Science : 



Incorporated Charities ; The Carnegie Foundation for the Advance- 

 ment of Teaching ; Amos Emerson Dolbear ; Scientific Items . . . 412 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YOEK : Sub-Station 84 

 Single Number, 30 Cents Yearly Subscription, $3.00 



Copyright, 1909, by THE SCIENCE PRESS 



y. 



