PLATE VI 



Arch.of aorta 



Left ventricle 



Left atrium 



Inferior ven? 

 cava 



Diaphragm 



FIG. 67. Radiograph of Thorax, showing the position of the 

 CEsophagus'into which a bougie with a metal core had been 

 inserted. Posterior view. (Goldesbrough. ) 



