STJPRACLAVICULAR NERVES. 639 



II. SUPERFICIAL DESCENDING BRANCHES. 



SUPRACLAVICULAR NERVES. 



The descending series of the superficial nerves are thus named. There 



Fig. 424. 



Fig. 424. VIEW OP THE SUPERFICIAL DISTRIBUTION OF THE NERVES PROCEEDING FROM 

 TEE CERVICAL PLEXUS (from Sappey after Hirschfeld and Leveille). 



1, superficial cervical nerve; 2,2, descending branches of the same; 3, ascending 

 branches ; 4, twigs uniting with the facial ; 5, great auricular nerve ; 6, its parotid 

 branch ; 7, its external auricular branch ; 8, twig of the same which pierces the auricle 

 to pass to its outer surface ; 9, branch to the deep surface of the pinna ; 10, its union 

 with the posterior auricular of the facial nerve ; 11, small occipital nerve ; 12, its branch 

 which unites with the great occipital nerve ; 13, a mastoid branch or second small occipital ; 

 14, twigs from this to the back of the neck ; 15, 16, supraclavicular nerves; 17, 18, 

 supraacromial nerves ; 19, branch of the cervical nerves passing into the trapezius muscle ; 

 20, spinal accessory distributed to the same and receiving a uniting branch from the cervical 

 nerves ; 21, branch to the levator scapuli ; 22, trunk of the facial nerve ; 23, its posterior 

 auricular branch passing into the occipital and posterior and superior auricular muscles ; 

 24, its cervico- facial branches. 



