THE MUSCULAR SYSTEM 



205 



be postponed until later when both dorsal and ventral caudal 

 muscles \yill be considered together. 



The dorsal axial muscles are much more restricted in ex- 

 tent than are the ventral ones, and are mainly confined to the 



lonpssimus capilis 

 [ trachelo -mastoid ] 



Jon&issirous cervicis 

 [ tmnsversalis colli 



ilio-costaJis cervicis 

 [cervical is ascendens] 



iljo-costolis lumtorum 

 sacro- lumbalis ] 



FIG. 53. Muscles of the human back. 



The superficial layers belonging to the appendicular system have been removed. 

 Upon the right are shown the three portions of the ilio-costalis system externally, 

 and within this the longissimus dorsi. Upon the left below is the multifidus; and 

 above, the remainder of the longissimus system. 



