OF THE CONTENTS OF THE 

 THORAX. 



Of the Pleura. 



66. Its fituation and attachments. 

 Of the ftru&ure, and ufes of the 

 pleura. 



167. Of the mediaftinum, and its 

 ufes. 



168. Pathological remarks on the dif- 

 eafes of the pleura. 



Of the hy drops pettor is. 



Of the Thymus. 



169. Different Hates of this gland in 

 the adult fubjeft, and in the 

 foetus. 



Opinions concerning its ufe. 



Of the Pericardium. 



170. Its ftrufture, Sec. 



; ^ Of the fluid contained in it. 



D 2 Of 



