LEPUS. 



169. Thoracic Viscera. Remove the ventral wall ol the thoraN% taking great care 

 not to injure the blood vessels. Open the pericardium and draw : heart and pericardium ; 

 lungs in pleural cavities; thyrmts; trachea; bronchi; oesophagus; diaphragm; phrenic 

 and vagus nerves. 



