The Popular Science Monthly 



Entered in the Post Office in Lancaster, Pa., as second-class matter. 



OONTENT8 OF THE OCTOBER NUMBER 



Immigration and The Public Health. Dr; Alfred C. 

 Reed. 



An Irish Channel Railway. Henry Grattan Tyrell. 



Scientific Standards for the Governmental Regulation 

 of Foods. Dr. John R. Murlin. 



A Problem in Educational Eugenics. Professor 

 Chas. W. Hargitt. 



The Psychological Factor in Southern Race Problems. 

 Br. James Bardin. 



Women in Industry. B. Malcolm Keir. 

 The Foarth Dimension. Professor Samuel M. Barton. 

 Some Psychological Problems emphasized by Prag- 

 matism. Professor Josiah Royce. 



The Progress of Science : 



The Presidential Address before the British 

 Association; Professor Ehrlich and Chemio- 

 therapy ; Scientific Items. 



CONTENTS OF THE NOVEMBER NUMBER 



The History of Dietetics. Dr. John Benjamin 

 Nichols. 



Jewish Colonization in Palestine. O. F. Cook. 



The National Zoological Garden. Dr. R. W. Shufeldt: 



The Discovery of Contact Electrification. Professor 



Fernando Sanford. 

 The Application of the Physiology of Color Vision In 



Modern Art. Henry G. Keller and Professor J. J. 



R. Macleod. 



The Petrified Forest of Mississippi. Professor Cal- 

 vin S. Brown. 



Economic Factors in Eugenics. Dr. William Leland 

 Holt. 



How the Problems of the Rural Schools are being 

 met. Mary A, Grupe. 



The Increase of American Land Values. Dr. Scott 

 Nearing. 



The Scientific Study of Child Development. Pro- 

 fessor James Burt Miner. 



The Progress of Science : 



The Scientific Origin of Moving Pictures ; Legal 

 Limitations of Marriage ; Scientific Items. 



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