7S0 



THE XER VOL'S SYSTEM 



zius imniediately below the superior cairved line, and divides at acute angles into 

 a number of l)ranehes, which ramify in the scalp. Tliese branches comnmnicate 

 freely with the lesser occipital nerve, and run in the subcutaneous fat between the 

 skin and the occipito-frontalis. In this situation they are accompanied by l)ran(hes 



Fig. 452. — Distribution of the Posterior Primary Divisions of 

 THE Spinal Nerves. (Henle.) 



Semi-spinalis 



Multifldua spinae 



Ilio-costaliB 



Hhoni boideus 

 major 



liatissinius 

 dorsi 



of the occipital artery. They supply the integument which covers the ])()rtion of the 

 occipital bone above the superior curved line, and the ])()sterior ])art of the parietal 

 bone. One of them occasionally reaclu's the pinna and supplies the skin on the 

 upper part of its inner asi)ect. 



