xxviii Table of Contents 



CHAP. PAGE 



VII. THE BLOOD PERCOLATES THE SUBSTANCE OF 

 THE LUNGS FROM THE RIGHT VENTRICLE 

 OF THE HEART INTO THE PULMONARY 

 VEINS AND LEFT VENTRICLE . . .49 



VIII. OF THE QUANTITY OF BLOOD PASSING THROUGH 

 THE HEART FROM THE VEINS TO THE AR- 

 TERIES ; AND OF THE CIRCULAR MOTION 

 OF THE BLOOD 55 



IX. THAT THERE IS A CIRCULATION OF THE BLOOD 



IS CONFIRMED FROM THE FIRST PROPOSITION 58 



X. THE FIRST POSITION I OF THE QUANTITY OF 



BLOOD PASSING FROM THE VEINS TO THE 

 ARTERIES. AND THAT THERE IS A CIRCUIT 

 OF THE BLOOD, FREED FROM OBJECTIONS, 

 AND FARTHER CONFIRMED BY EXPERIMENT 64 



XI. THE SECOND POSITION IS DEMONSTRATED . 67 



XII. THAT THERE IS A CIRCULATION OF THE BLOOD 

 IS SHOWN FROM THE SECOND POSITION 

 DEMONSTRATED 75 



XIII. THE THIRD POSITION IS CONFIRMED : AND THE 



CIRCULATION OF THE BLOOD IS DEMON- 

 STRATED FROM IT 78 



XIV. CONCLUSION OF THE DEMONSTRATION OF THE 



CIRCULATION 85 



XV. THE CIRCULATION OF THE BLOOD IS FURTHER 



CONFIRMED BY PROBABLE REASONS . . 86 



XVI. THE CIRCULATION OF THE BLOOD IS FURTHER 



PROVED FROM CERTAIN CONSEQUENCES . 90 



