( 31 ) 



188. Of the ftrufture of arteries an<J 

 veins, and their general ufe. 

 Of the vafa vaforum. 



Of the anaftomofing branches of 



the blood veffels. 

 Of the connexion between the 



extreme branches of arteries 



and veins. 



189. Particular defcription of thq 



AORTA and VENA CAVA. 



f Or THE CIRCULATION OF THE 

 BLOOD. 



190. Of the ancient do&rines con- 

 cerning it. 



Of the difcovery of it, by 

 Harvey. 



Particular Defcription of the man- 

 ner in which the Circulation is 

 performed. 



191. Of the SYSTOLE and DIASTOLE 

 of the ventricles and auricles of 

 the heart. 



Of 



