AN ANATOMICAL DISQUISITION 



CIRCULATION OF THE BLOOD. 



TO 



JOHN EIOLAN, JUN., OF PARIS; 



MOST SKILFUL PHYSICIAN J THE CORYPHAEUS OF ANATOMISTS ; REGIUS 

 PROFESSOR OF ANATOMY AND BOTANY IN THE UNIVERSITY OF PARIS ; 

 DEAN OF THE SAME UNIVERSITY ; AND FIRST PHYSICIAN TO 

 THE O.UEEN, MOTHER OF LOUIS XIII. 



BY WILLIAM HARVEY, AN ENGLISHMAN, 



PROFESSOR OF ANATOMY AND SURGERY IN THE ROYAL COLLEGE OF 



PHYSICIANS OF LONDON J AND PRINCIPAL PHYSICIAN TO 



HIS MOST SERENE MAJESTY THE KING. 



CAMBRIDGE, 1649. 



