e Popular Science 



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



CONTENTS OF NOVEMBER NUMBER 

 University Control. Professor J. J. Stevenson. 

 The Value of Science. M. H. Poincare. 

 Pathogenic Protozoa. Professor Gary N. Calkins. 

 The Making of the Grand Cafion of the Colorado. 

 Professor A. R. Crook. 



Notes on the Development of Telephone Service. 



*hed De Land. 

 The Jews : a Study of Race and Environment. Dr. 



Maurice Fishberg. 

 John Stuart Mill. Percy F. Bicknell. 

 Changes of Climate. Robert DeC. Ward. 

 The African Pygmies. S. P. Verner. 



The Progress of Science : 



The Jubilee of the Coal-tar Color Industry and 

 Sir William Henry Pcrkin ; The Royal Societv . 

 The York Meeting of the British Association; Scien_ 

 tific Items. 



CONTENTS OF DECEMBER NUMBER 



The Bogoslofs : President David Starr Jordan and 



George Archibald Clark. 

 The Development of the Telephone Service. Fred 



DeLand. 

 The Jews : A Study of Race and Environment. Dr> 



Maurice Fishberg. 

 Physical Degeneracy or Race Suicide? Sidney Webb. 

 Waterway Defences of the Atlantic Coast. William 



S. Rose. 

 The Simplification of French Spelling. Frofcssor 



Brander Matthews. 

 The Value of Science. Professor H. Poincare. 

 Vesuvius in the Early Middle Ages : Dr - Charles R. 



Eastman. 

 The Progress of Science : 



The New Engineering Building of the University 



of Pennsylvania; The Harveian Oration, Scientific 



Items. 



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