220 



FEEDING 



and is, in a full grown fowl, about two or three inches in 

 diameter. It is dark red in color, and often covered with fat. 



Intestines 



-Jn testifies 



CZoaca 



FIG. 124. The digestive system of the fowl. 



The bird eats considerable grit, which immediately finds 

 its way into the gizzard, and this grit, assisted by the action 



