144 



The Cervical Nerves 



The communications between the upper four cervical nerves take 

 place between the scalenus medius and levator anguli scapuke behind, 

 and rectus anticus major in front. They are under cover of the sterno- 

 mastoid, so that all their superficial branches emerge by the border of 



RECT. CAP . LAT. 



RECT. ANT . MAJOR 

 RECT. ANT. MINOR 



TO SYMPATHETIC 



TO SCALP & OCCIPITO-FPONTALIS 

 TO AURICLE* ATTOLLENS AUREM 



AURICULAR 

 FACiAL 



this muscle, and those which have an ascending or forward course pass 

 over that muscle. 



The branches of the plexus are superficial and deep. 



Superficial branches. The lesser occipital, from the second cer- 

 vical nerve, winds upwards behind the sterno-mastoid, and, piercing 

 the deep fascia, supplies the skin between the areas of distribution of 





