PROCEEDINGS 



OF THE 



American Philosophical Society 



HELD AT PHILADELPHIA 



FOR PROMOTING USEFUL KNOWLEDGE 



Vol. LI. August-September, 191 2. No. 206. 



CONTENTS 



THE TREATY-MAKING POWER OF THE UNITED STATES 



AND THE METHODS OF ITS ENFORCEMENT AS 



AFFECTING THE POLICE POWERS 



OF THE STATES 



By CHARLES H. BURR, Esq. 



OF PHILADELPHIA 



The Crowned Essay for which the Henry M. Phillips Prize of Two 



Thousand Dollars was Awarded, on April 20, 1912, by 



The American Philosophical Society 



COMMITTEE OF JUDGES 



JOSEPH H. CHOATE, of New York JOHN C. GRAY, of Massachusetts 

 J. M. DICKINSON, of Tennessee HENRY WADE ROGERS, of Connecticut 



JAMES BROWN SCOTT, of the District of Columbia 



PHILADELPHIA 



THE AMERICAN PHILOSOPHICAL SOCIETY 

 104 South Fifth Street 



1912 



