52*74 



KNOWLEDG 



TRADE MAfM\ REGISTERED 



;>lj>r STORY 

 AND PICTURE 



EDITOR-IN-CHIEF 



M. V. O'SHEA 



DEPARTMENT OP EDUCATION, UNIVERSITY OP WISCONSIN 

 MADISON, WISCONSIN 



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 OP THOUGHT IN THE UNITED STATES AND CANADA 



In Ten Volumes 



Volume Two 



1920 ^"^ \. VV 



W. F. QUARRIE & COMPANY 



TORONTO CHICAGO NEW YORK 



