208 



BOVINE PATHOLOGY. 



diaphragm. The heart, therefore, at its base corresponds 

 to the second and sixth ribs and those which intervene 



Fig. 33. — The heart, with its right cavities opened, part of the pericardium 

 in position, and the large vessels at its base. (Siinonds.) 



between them. The thorax of the ox being wide and the 

 pulmonary mass large, the heart is more separated from 

 the thoracic walls, and less exposed than in the horse. 

 Its beat may be best felt at the fifth intercostal space at 

 about the level of the point of the elbow, at the meeting 

 of the ribs with the sterno- costal cartilage, but it is not 

 so clear and distinct as is that of the horse. For satis- 

 factory auscultation of this organ the left fore limb 

 requires to be drawn forwards and the ear applied as 

 closely as possible behind the muscular mass of the 

 shoulder. The heart of the ox very frequently has a 

 large amount of fat deposited in its furrows. Such 



