DIGESTION OF FOOD. 805 
Tia. 266.—General view of digestive apparatus of fowl (after Chauveau). 1, tongue; 2, 
jh: : 8, first portion of cesophagus; 4, crop; 5, second portion of cesophagus; 6. 
succentric ventricle (proventriculus) ; 7, gizzard ; 8, origin of duodenum; 9, first branc 
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