Costal Pleur 



Upper Lob< 



Middle Lobe 



\rca of Absolute 

 ' ardiac Dulness 



Fig. 116. Boundaries of the Lungs and Pleurae as seen fi.'om in Front. 

 Ai-ea of Absolute Cai'diac Dulness. 



7s Nat. Size. — After Joessel (modified). 



Rebman Limited, London. 



RebiiKin Company, New York. 



