DISEASES OF POUI,TRY. 



67 



Fig. 14.— Digestive Apparatus of the Chicken. 



In this fig'ure all of the head has been removed except the lower jaw, 

 which has been turned sidewise to show the tong-ue aod the opening-s to 

 the trachea and oesophag'us. The neck with the exception of the oesoph- 

 ag'us, the breast bone, the heart and the superficiat muscles have also 

 been removed. 



1, tong-ue; 2, pharynx, showing- opening- to larynx; 3, upper portion of 

 oesophag'us; 4, crop; 5, lower portion of oeaophai^us; 6, succentric ventricle; 

 7,gizza'rd; 8, Qrig-tn of the duodenum; 9, first branch of duodenal flexure; 

 10, second branch of the same; 11, origrin Of the floating" portion of small 

 intes'ine; 12, small intestine; 13, free extremities of the caeca; 14, inser- 

 tion of these two org-ans into the intestinal tube; IS, rectum; 16, cloaca; 

 17, anus; 18, mesentery; 19, left lobe of the liver; 20, rig-ht lobe; 21, gall 

 bladder; 22, insertion of the pancreatic and biliary ducts; 23, pancreas; 

 24, lung; 25, ovary; 26, oviduct. 



