Plate IX. — Second Dissection of the Pigeon. {Ad nat.) 



Post-caval entering 

 Right Auricle. 



Pulmonary Veins 



entering Left Auricle. 



\ . Left Lobe of Liver. 



Proventriculus 

 (Spleen to Right). 



.Epigastric. 



Omentum. 



Rectum., 

 Cloacal Aperture. 



Pancreas (with Three Ducts] 

 Posterior -mesenteric. 



The sternum is removed by lateral cuts through the ribs, the coracoids and 

 clavicles. The liver and heart are both thrown forwards, and the duodenum and 

 omentum are thrown to the left, the ileum to the right. In the mesentery are seen 

 the two bile ducts (while) the portal vein (blue), and the coeli.ac artery (red). 



