The Popular Science Monthly 



Entered in the Post OJftoe in Lancaster, Fa., at aeoond-«la»» meUlar, 



CONTENTS OF AUGUST NUMBER 



Modern Views on Matter. Sir Oliver Lodgk. 



The Training of a Physician. President David 

 Starr Jordan. 



Professor W. Le 



American Titles and Distinctions. 

 UoNTE Stevens. 



The Bird Rookeries on the Island of Laysan. Pro- 

 fessor C. C. Nutting. 



Bacteria in Modern Agriculture. Dr. Albert 



SC-HNEIDEK. 



The Story of English Education. J. E. G. de Mont- 

 morency. 



The Declining Birth Rate and its Cause. Dr. Fred- 

 erick A. Bushee. 



Hertzian Wav^ Wireless Telegraphy. Professor J. 

 A Flemt; u. 



Discussion and Correspondence : 

 The Birth Rate in Fiction : C. 



Scientific Literature : 

 ' Forestry 



The Progress of Science : 



The Boston Meeting ot the National Educational 

 Association; The Problem of the College ; The 

 British Antarctic Expedition ; The So-called Mos- 

 quito Destroyer ; Radium in England ; The Frank- 

 lin Papers in the Library of the American Philo- 

 sophical Society ; The Education of Engineers ; 

 Scientific Items. 



CONTENTS OF SEPTEMBER NUMBER 



Palm and Sole Impressions and their Use for Pur- 

 poses of Personal Identification: Professor, 

 Harris Hawthorne Wilder. 



Some of the Extra-artistic Elements of Esthetic Emo- 

 tion. John Cotton Dana. 



Karl Lamprecht und Kulturgeschichte. Professor 

 Wm. E. Dodd. 



Pulse and Rhythm. Mary Hallock. 



Theories of Sleep. Dr. Percy G. Stile.s. 



Hertzian Wave Wireless Telegraphy. Dr. J. A. Flem- 

 ing. 



Mosquitoes and Suggestions for their Extermination. 

 William Lyman Underwood. 



Shorter Articles and Discussion : 



The Ascending Obelisk of Montague Peliie ; Pro- 

 fessor Angelo Heilprin. Professor Shaler on 

 Animal Intelligence : Dr. Eug. L. Flsk. 



Scientific Literature : 



The Collected Papers of Rowland and FitzGerald. 



The Progress of Science : 



John Ericsson : The Massachusetts Institute of 

 Technology ; Summer Laboratories and Schools; 

 Scientific Items. 



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