Vol. LXVI. No. 5 MARCH, 1905 



THE 



POPULAR SCIENCE 

 MONTHLY. 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



The Bermuda Islands and the Bermuda Biological Station for Research. 

 Professor Edward L. Mark 393 



A Study of the Development of Geometric Methods. M. Gaston 

 Darboux 412 



Some Present Problems in Technical Chemistry. Professor W. H. 



Walker 435 



Stamina. Dr. A. N. Bell 449 



The Natural History of Adolescence. Professor Joseph Jastrow . . 457 



Higher Education of Women and Race Suicide. Dr. A. Lapthorn 

 Smith 466 



Simple Bacteriology for the Public Schools. Lillian Chapin . . . 474 

 Shorter Articles and Correspondence : 



The Centennial of William Barton Rogers: President Henry S. Peitchett. 



The Inland White Bear, Dr. W. J. Holland 478 



The Progress of Science : 



The Carnegie Institution of Washington ; Clemens Alexander Winkler ; Greek 



and the English Universities; Scientific Items 482 



THE SCIENCE PPvESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YORK: Sub-Station 84 



Single Number, 30 Cents Yearly Subscription, $3.00 



Copyright, 1905, by THE SCIENCE PRESS 



