Vol. LXV. No. 2 JUNE, 1904 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEJV CATTELL 



CO NTKNTS 



"*•. * 



The Total Solar Eclipse of August 30, 1905. Professor W. W. Campbell 97 



Copernicus. Dr. Edward S. Holden 109 



On the Significance of Characteristic Curves of Composition. Dr. Robert 

 E. Moritz 132 



The Physiographic Control of the Chattanooga Campaigns of the Civil 

 War. Frederick V. Emerson 148 



The Value of the Teeth as a Means of Identification. Dr. Alton Howard 

 Thompson 161 



Immigration. Dr. Allan McLaughlin 164 



The Royal Prussian Academy of Science and the Fine Arts. Edward F. 

 Williams 170 



The Progress of Science: 



The New Buildings of Cambridge University ; Developments in the Respiration 

 Calorimeter ; Thorium, Carolinium and Berzelium ; The Insect Enemies of Cotton ; 

 Scientific Education in Schools ; Scientific Items . . 182 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : Sub-Station 84 

 Single Number, 30 Cents Yearly Subscription, $3.00 



Copyright, 1904, by THE SCIENCE PRESS 



