TABLE OF CONTENTS 



DIVISION C PHYSICAL SCIENCE 



The Unity of Physical Science 3 



ROBERT SIMPSON WOODWARD 



DEPARTMENT IX PHYSICS 



The Fundamental Concepts of Physical Science 18 



EDWARD LEAMINGTON NICHOLS 



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



CARL BARUS 



SECTION A PHYSICS OF MATTER. 



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



Learning ........... 69 



ARTHUR LALANNE KIMBALL 



Present Problems in the Physics of Matter 87 



FRANCIS EUGENE NIPHER 



SECTION B PHYSICS OP ETHER. 



The Ether and Moving Matter 105 



DEWITT BRISTOL BRACE 



SECTION C PHYSICS OF THE ELECTRON. 



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



PAUL LANGEVIN 



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



ERNEST RUTHERFORD 



Short Paper 187 



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



DEPARTMENT X CHEMISTRY 



On the Fundamental Conceptions Underlying the Chemistry of the Element 



Carbon ............ 195 



JOHN ULRIC NEF 



The Progress and Development of Chemistry during the Nineteenth Century 221 

 FRANK WIGGLESWORTH CLARKE 



SECTION A INORGANIC CHEMISTRY. 



Inorganic Chemistry: Its Relations with the Other Sciences . . . 243 



HENRI MOISSAN 



