FEEDING ANIMALS. 



Fig. 2. THIRD AND FOURTH STOMACHS, 

 As drawn by Professor Law, showing the course of the (Esophagean Demi-canal. 



1. Gullet. 



2. Portion of the paunch, showing the villous surface. 



3. Portion of the reticulum, showing the cells. 



4. CEsophagean demi-canal, with its muscular pillars relaxed so as to show the 



opening into the gullet above and that leading into the manifolds below. 



5. Opening from the demi-canal into the third stomach. 



6. Third stomach laid open, showing the leaves. 



7. Floor of the third stomach, along which finely-divided food passes to the fourth. 



8. Fourth stomach opened, and showing the mucous folds. 



9. Commencement of the small intestines. 



