Fig' 59' COMPOSITE CHEST-LUNGS PHOTOGRAPH. [See Fig. 57 for explanatory re- 

 marks.] a, Manubrium. b, Anterior border of right lung, c, Anterior border of left lung. 

 d, e, Extent of contact of these borders. f t Notch in left lung for the heart. Corresponds 

 to the area of heart dullness. 



