The Popular Science 



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



CONTENTS OP 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. 

 E. Macleod. 



The Petrified Forest of Mississippi, 

 vin S. Brown. 



Professor Cal- 



Economic Factors in Eugenics. 

 Holt. 



Dr. William Leland 



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. 



CONTENTS OF THE DECEMBER NUMBER 



Alfred Russel Wallace. Dr. Henry Fairfield Osborn. 



The Struggle for Equality in the United States. Pro- 

 fessor Charles F. Emerick. 



Alcohol from a Scientific Point of View. Dr. J. 



Frank Daniel. 

 The Most Remarkable Monument in Western China. 



Roger Sprague. 

 The Place of Study in the College Curriculum. Dr. 



P. 11. Churchman. 

 The Protection of Domesticated Animals. Professor 



Veranus A. Moore. 

 The Forests and Forestry of Germany. ProfeBsor 



William R. Lazenby. 

 The History of Ohm's Law. Professor John C. Shedd 



and Mayo D. Hersey. 



The Progress of Science : 



Scientific Items. 

 Index to Volume LXXXIII. 



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