Fig. 17 From a section of the vagus above the level of the puhnouary rami 

 Osmic acid. Cat. X 221. 



Fig. 18 From a section through the esophageal plexus. Osmic acid. Dog. 

 X 85. 



Fig. 19 Fascicle, a, of figure 18 more highly magnified. X 221. 

 Fig. 20 From a section of the vagus at the level of the diaphragm. Osmic 

 acid. Cat. X 221. 



44 



