24 



I, Tong ue; 2, 

 pharynx; 3, first 

 portion of esopha- 

 gus; 4, crop; 5, 

 second portion of 

 esophagus; 6, suc- 

 centric ventricle; 

 7, gizzard; 8, ori- 

 gin of the duoden- 

 um; 9, first branch 

 of the duodenal 

 flexure; 10, second 

 branch of same; 



II, origin of the 

 floating portion of 

 the small intes- 

 tine; 12, small in- 

 testine; 13, free 

 extremities of the 

 csecums; 14, in- 

 sertion of these 

 two culs-de-sac 

 into the intestinal 

 tube; 15, rectum; 

 16, cloaca; 17, 

 anus; 18, mesen- 

 tery; 19, left lobe 

 of liver; 20, right 



14- lobe of liver; 21, 

 gall-bladder; 22, 



iP- insertion of the 

 pancreatic and 

 biliary ducts; 23, 

 pancreas; 24, dia- 

 phragmatic aspect 

 of the lung; 25, 

 ovary in a state 

 of atrophy; 26, 

 oviduct. 



25 



Fig. 255. — Diagram of digestive apparatus of a fowl. 



392 



