GENERAL CUTANEOUS SUBDIVISION. 



109 



distributed by way of the posttrematic ramus to the skin of the 

 hyoid segment, just as in the more caudal branchial segments. 

 The skin of the corresponding dorsal area, however, is innervated 









Fig. 52. — The principal sensory collaterals in the spinal cord of the'new-born 

 rat. From Cajal (Textura, etc.). A , visceral sensory collaterals to the intermediate 

 nucleus; B, collaterals to the somatic motor column; C, collaterals to the somatic 

 sensory column, dorsal horn; b, branches of somatic motor reflex collaterals ramify- 

 ing in the intermediate nucleus (visceral motor) ; c, deep collaterals to the^substance 

 of Rolando. 



