150 



DU. C. F. SONNTAG ON THE VAGUS AND 



The former runs along the ventral boi'der of the resophagus, 

 passes through the cesophageal opening in the diaphragm and 

 ramifies over the anterior and ventral aspects of the body and 

 fundus of the stomach. The hitter runs along the doi\sal border 

 of the oesophagus axid unites with the right vagus which describes 

 a. wide curve to meet it ; and tlie combined trunk ends on the 

 dorsal aspect of the stomach. Numerous communicating branches 

 link the vagi to one another and to the coeliac j^lexus, and some 

 go to the duodenum. 



Text-fio-ure 6. 



The Cervical and Uppei- Thoracic Parts of the Vagus and Sympathetic Nerves 

 of Hyrax capensis. V : vagus ; S : sympathetic ; Mn : line of mandible. 

 Other letters in text. 



Branches : — Numerous branches of communication and distri- 

 bution are again given off, many of which are ver}^ complex. 

 - The pha7"i/ngeal nerves (text-fig. 6, a) are given oft' from the 

 trunk of the vagus and the loop (C) connecting its superior and 

 recurrent laryngeal branches. They form a plexus with branches 

 of the glosso-pharyngeal nerve and sympathetic. In some speci- 

 mens the laryngeal nerves do not form a loop which gives off" 

 pharyngeal branches. 



