The Popular Science Monthly 



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



CONTENT8 OF NOVEMBER NUMBER 



The Scope and Importance to the State of the Science 

 of National Eugenics : Professor Karl Pearson. 



Peter Kalm's ' ' Travels ' ' : 8pencer Trotter. 



A Trip around Ieeland : L. P. Gratacap. 



Notes on the Development of Telephone Service: 

 Fred DeLand. 



The Institute of France and Some Learned Societies 

 of Paris : Dr. Edward F. Williams. 



Recent Views of the Origin of the Greek Temple: 

 Dr. Alexander Chamberlain. 



Fertility and Genius : Charles Kassel. 



The Problem of Age, Growth and Death. Professor 



Charles S. Minot. 



The Progress of Science : 



Mortality Statistics : The Growth of the State Uni- 

 versities ; Scientific Items. 



CONTENT8 OF DECEMBER NUMBER 



Notes on Asiatic MuBeums. Professor Bashford 

 Dean. 



The Place of Linnseus in the History of Science. 

 Professor Arthur O. Lovejoy. 



The Problem of Age, Growth and Death. Professor 

 Charles S. Minot. 



The Radioactivity of Ordinary Substances. W. W. 

 Strong. 



The Influence of Diet on Endurance and General 

 Efficiency. Professor Russell H. Chittenden. 



Jean Louis Rudolphe Agassiz. Professor Edward S. 



Morse. 

 The Origin of Slavery Among Ants. Dr. William 



Morton Wheeler. 



A Trip Around Iceland : L. P. Gratacap. 



The Progress of Scienee : 



The Rise in Prices and the Salaries of Scientific 

 Men ; The Nantucket Maria Mitchell Memorial ; 

 Scientific Items. 



Index to Volume LXXI. 



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