72 PRACTICAL PHYSIOLOGY 



the ribs, rib cartilages, sternum, and epigastrium. 

 Apply the ear directly or through a stethoscope to 

 the :hest wall, and listen to the vesicular murmur. 

 Lastly apply a stethograph (Marey's or Sander- 

 son's) to the chest, and register the movements of 

 respiration by means of a recording tambour upon 

 a slowly moving drum. 



