THQ 



ORGANIZED 

 KNOWLEDGE 



SDK 



TRADE MAKIS REGISTERCD 



STORY 

 AND' PICTURE 



EDITOR-IN-CHIEF 



M. V. O'SHEA 



DEPARTMENT OP EDUCATION, UNIVERSITY OP WISCONSIN 

 MADISON, WISCONSIN 



. 



EDITOR 



ELLSWORTH D. FOSTER 



ASSOCIATE EDITOR NEW PRACTICAL REFERENCE LIBRARY; AUTHOR OF 

 CYCLOPEDIA OP CIVIL GOVERNMENT 



EDITOR FOR CANADA 



GEORGE H. LOCKE 



LIBRARIAN, TORONTO PUBLIC LIBRARY, TORONTO, ONTARIO 



ASSISTED BY ONE HUNDRED FIFTY DISTINGUISHED SCIENTISTS, EDUCATORS, 

 ARTISTS AND LEADERS OF THOUGHT IN THE UNITED STATES AND CANADA 



In Ten Volumes 



Volume Six 



TORONTO 



W. F. QUARRIE & COMPANY 



CHICAGO NEW YORK 



