TABLE OF CONTENTS 



VOLUME VII 

 PHYSICAL SCIENCE 



The Unity of Physical Science ....... 3 



BY PRESIDENT ROBERT SIMPSON WOODWARD, Ph.D., LL.D. 



PHYSICS. 



The Fundamental Concepts of Physical Science .... 18 

 BY PROF. EDWARD LEAMINGTON NICHOLS, Ph.D. 



The Progress of Physics in the Nineteenth Century . . .29 



BY PROP. CARL BARUS, Ph.D. 



PHYSICS OF MATTER. 



The Relations of the Science of Physics of Hatter to Other Branches 

 of Learning .......... 69 



BY PROF. ARTHUR LALANNE KIMBALL, Ph.D. 



Present Problems in the Physics of Matter ..... 87 

 BY PROF. FRANCIS EUGENE NIPHER, LL.D. 



PHYSICS OF ETHER. 



The Ether and Moving Matter ....... 105 



BY PROF. DEWITT BRISTOL BRACE, Ph.D. 



PHYSICS OF THE ELECTRON. 



The Relations of Physics of Electrons to Other Branches of Science . 121 

 BY PROF. PAUL LANGEVIN, Ph.S.D. 



Present Problems of Radioactivity . . . . . . . 157 



BY PROF. ERNEST RUTHERFORD, D.Sc. 



Bibliography: Department of Physics ...... 188 



CHEMISTRY 



The Progress of Chemistry ........ 193 



BY PROF. JAMES M. CRAFTS, LL.D. 



On the Fundamental Conceptions Underlying the Chemistry of the 

 Element Carbon ......... 195 



BY PROF. JOHN ULRIC NEF, Ph.D. 



