( 30 ) 



Of the Left Ventricle. 



180. Its fubftance, fituation, &c. 



181. Of the valvulce mitrales, placed 

 between this ventricle, and its 

 correfponding auricle. 



Of the office of thefe valves, and 

 their manner of afting. 



182. Of the communication of the 

 left ventricle with the AORTA. 

 Valves of the aorta. 



183. Of the coronary veins and arte- 

 ries. 



184. Remarks on the different capa- 

 cities, and ftrength of the two 

 ventricles. 



185. Obfervations on the involuntary 

 adlion of the heart. 



186. Of the ufe of the heart in gene- 

 ral. 



187. Of polypi, anturijm, and other 

 difeafes of the heart, and its 

 veffels. 



188. Of 



