THE LUNGS. 



1121 



Recur, 

 lar. nerve 



Epart. 

 bronchus 



Pulm. 

 veins 



Great 

 cor on. vein 



ilmfil JO 



(esophagus 

 FIG. 711. Thoracic contents seen from behind. (Joessel.) 



71 



