ORGANS OF DIGESTION. 



provided with numerous glandular follicles situate between the 

 mucous and the muscular coats. Continuing downwards behind 

 and a little to the right of the trachea, and behind the heart, 

 (128.m,) and great branches of the aorta, the oesophagus passes 

 forwards below the inferior larynx, between the two lobes of 

 the lungs, (128. n. n } ) and to the left side, to dilate into a 



second gastric cavity, the glandular stomach, proventriculus, 

 infundibulum, or ventriculus succenturiatus, (128. c,) which is 

 highly vascular and provided with more numerous and larger 

 follicles than open into the crop. Beneath the vertical in- 

 fundibulum is the powerful muscular gizzard, (128. d.) dis- 

 posed transversely from left to right, like the ordinary^sto- 

 mach of most vertebrata, covered with the lobes of the liver, 



