The Growth of Truth 



Illustrated in the Discovery of the 

 Circulation of the Blood 



BEING THE HARVEIAN ORATION DELIVERED AT THE 



ROYAL COLLEGE OF PHYSICIANS, LONDON, 



OCTOBER 18, 1906 



WILLIAM OSLER, M.D., F.R.S. 



REGIUS PROFESSOR OF MEDICINE IN THE UNIVERSITY OF OXFORD 



LONDON 

 HENRY FROWDE 



OXFORD UNIVERSITY PRESS WAREHOUSE 

 AMEN CORNER, E.C. 



1906 



