PROFESSOR OWEN ON THE ANATOMY OF THE GREAT ANTEATER. 181 



DESCRIPTION OF THE PLATES. 



PLATE LI. 



The stomach, moderately distended, with the spleen ; two-thirds of the natural size. 



PLATE LII. 



Fig. I. Longitudinal section of the stomach, moderately contracted; natural size. 

 Fig. 2. Transverse section of pyloric division ; natural size. 



PLATE LIII. 



Fig. 1. The cardiac portion of the stomach inverted to show the termination of the 

 oesophagus and the opening into the pyloric portion ; natural size. 



Fig. 2. The beginning of the duodenum slit open to show the form of the pyloric 

 aperture ; natural size. 



The following letters indicate the same parts in each figure : — a, oesophagus ; h, car- 

 dia ; c, cardiac division of stomach ; d, gastric tendon ; e, e, folds converging to, /, 

 orifice of, g, pyloric division ; h, the muscular coat ; i, the submucous cellular valve ; 

 k, dense plicated epithelial lining of the cavity ; I, pylorus ; m, duodenum ; n, spleen. 



VOL. IV. PART V. 



2d 



