CONTENTS 



ACHIEVEMENTS AND OBLIGATIONS OF MODERN rjuom 



SCIENCE I 



Otis W. Caldwell, Ph.D. 



GASOLENE AS A WORLD POWER 12 



Edwin E. Slosson, Ph.D. 



THE INFLUENCE OF COAL-TAR ON CIVILIZATION 48 

 Edwin E. Slosson, Ph. D. 



ELECTRONS AND How WE USE THEM ... 78 

 John Mills, M.A. 



AN INVESTIGATION ON EPIDEMIC INFLUENZA . 99 

 Peter K. Olitsky, M.D., and Frederick L. 

 Gates, M.D. 



OUR PRESENT KNOWLEDGE OF TUBERCULOSIS . 115 

 Linsly R. Williams, M.D. 



Louis PASTEUR, AND LENGTHENED HUMAN LIFE 



Otis W. Caldwell, Ph.D. 133 



INTERNATIONAL PUBLIC HEALTH 150 



George E. Vincent, Ph.D. 



