Plate IX.—SECOND DISSECTION OF THE PIGEON. (Ad zat.) 
Post-caval entering 
Right Auricle. Heart. 
Pulmonary Veins 
entering Left Auricle. 
_ Left Lobe of Liver. 
Proventriculus 
(Spleen to Right). 
Portal Vein. f : | Oe 
: eis Mg : Epigastric. 
Right Bile Duct. 
Left Bile Duct. 
Tleum 
ancreas (with Three Ducts). 
Posterior-mesenteric. 
Cloacal Aperture. 
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 (white) the portal vein (blue), and the cceliac artery (red). 
