DISEASES OF THE OX AND SHEEP. 



379 



Fig. 44. — General View of the Digestive Apparatus of a Fowl. 



The abdominal muscles have 

 been removed, as well as the 

 sternum, heart, trachea), the 

 greater portion of the neck, and 

 all the head except the lower jaw, 

 which has been turned back to 

 show the tongue, the pharynx, and 

 the entrance to the larynx. The 

 left lobe of the liver, succentric 

 ventricle, gizzard, and intestinal 

 mass, have been pushed to the 

 right to exhibit the different por- 

 tions of the alimentary canal, and 

 to expose the ovary and oviduct. 



1. Tongue. 2. Pharynx. 3. 

 First portion of the oesophagus. 

 4. Crop. 5. Second portion of the 

 oesophagus. 6. Succentric ven- 

 tricle. 7. Gizzard. 8. Origin of 

 the duodenum. 9. First branch 

 of the duodenal flexure. 10. 

 Second branch of the duodenal 

 flexure. 11. Origin of the floating 

 portion of the small intestine. 12. 

 Small intestine. 12'. Terminal 

 portion of the small intestine, 

 flanked on each side by the two 

 caeca (regarded as analogous to the 

 colon of mammals). 13, 13. Free 

 extremities of the caeca. 14. In- 

 sertion of these two 

 culs-de-sac into the 

 intestinal tube. 15. 

 Rectum. 16. Cloaca. 

 17. Anus. 18. Me- 

 sentery. 19. Left 

 lobe of the liver. 

 20. Right lobe. 21. 

 Gall - bladder. 22. 

 Insertion of the pan- 

 creatic and biliary 

 ducts ; the two pan- 

 creatic ducts being 

 situated most ante- 

 riorly, the hepatic 

 being in the middle, 

 and the cvstic being 

 behind. " 23. Pan- 

 creas. 24. Dia- 

 phragmatic 

 aspect of the 

 lung. 25. 

 Ovary (in a 

 state of atro- 

 phy). 26. Ovi- 

 duct. {Chau- 

 veau.) 



