278 



PHYSIOLOGY. 

 Fig. 3. 



The above cut represents the whole tract of the intestinal canal, not 

 exactly in its natural position, but spread out so as to show the relative 

 proportions ; /, the aesophagus ; g, cardia ; h, pylorus ; i, i, the duodenum, 

 about twelve fingers' breadth in length ; &, hepatic duct ; /, gall blad~ 



