130 EQUlNJfi ANATOMY. 



cranian nerves forming the guttural plexus. Afferent 

 branches come from the cranian nerves ; efferent 

 branches, to the internal carotid to form the cavernous 

 plexus; to the primitive carotid, to form the carotid 

 plexus ; to tlie fauces and the pharynx, forming the 

 pharyngeal plexus. Uniting cord, single without col- 

 lateral branches united intimately to the pneumogas- 

 trie, runs down with it and ends at the inferior cervi- 

 cal GANGLION. This ganglion, larger than the superior, 

 is situated on the inside of the scalenus muscle, is of 

 various forms, sometimes single or double forming the 

 middle inferior ganglion. Afferent branches come 

 from the cervical pairs ; efferent branches, form the 

 cardiac nerves (five in number), and in front of the 

 trachea the tracheal plexus. 



