The Popular Science Monthly 



Bntered in the Post Office tn Lemetttter, Pa., at teoond-elats matter. 



CONTENTS OF DECEMBER NUMBER 



The Cause of Pulsation. Dr. Alfeed Qoldsborough 

 Mayee. 



A Bio raphical History of Botany at St. Louis, Missouri, 

 Dr. Peeley Spaulding. 



The Application of Zoological Laws to Man. Professor 



William Ridgway. 

 Canadian Wheat. Professor John Waddelx. 



College Standardization, Professor W. Lb Contb 



Stevens. 

 Aspects of Modem Biology. Professor T.D. A.Cockeeeli* 

 Loyalty. Professor John C. Beannee. 



The Story of Professor Eontgen's Discovery. Elmeb 

 Ellswoeth Burns. 



A Great Permian Delta and its Vertebrate Lifo, with 

 Restorations by the Author. Dr. E. C. Case. 



The Progress of Science : 



Two great University Presidents ; Scientific Items- 

 Index to Volume LXXIIL _. 



CONTENTS OF JANUARY NUMBER 



The Career of Herbert Spencer. Professor Lestee F. 

 Waed. 



Lineaments of the Desert. Dr. Chaeles E. Keyes. 



On the Therapeutic Action of Fermented Milk, Dr. C. 

 A. Hektee. 



Poetry and Science in the Case of Charles Darwin. 

 Edwaed Beadfoed Titchener. 



A Biographical History of Botany at St. Louis. Dr 

 Peeley Spaulding. 



The Art of Bleaching and Dyeing as applied to Food- 

 Professor E. H. S. Bailey. 



Mr, Roosevelt's Opportunity as President of a Uni- 

 versity. Professor Dickinson S. Millee. 



Commercialism. Professor John J. Stevenson. 



Foreign Associates of National Societies. Professor 

 Edwaed C. Pickering. 



The School and the 'Family. J. McKeen Cattell. 



The Progress of Science : 



Wolcott Gibba; Otis Tufton Mason; The H. K. 

 Gushing Laboratory of Experimental Medicine of 

 Western Reserve University ; The Convocation Week 

 Meeting at the Johns Hopkins University ; Scientific 

 Items. 



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