34 OSTEOLOGY, OR ANATOMY OF OSSEOUS SYSTEM 



the external occipital protuberance, from which the superior 

 curved line arches outward on each side to the lateral angles; 

 a little above this may usually be seen the highest or supreme 

 curved line. Below the protuberance is a median external 

 occipital crest, from the centre of which passes out the inferior 

 curved line to the jugular processes. 



FIG. 5 



JUGULAR PROCESS 



ARROW IN ANTERIOR 

 CONDYLAR FORAMEN 



The occipital bone, viewed from below. (Spalteholz.) 



To the supreme curved line is the bony attachment of the 

 epicranial aponeurosis; to the superior curved line, most in- 

 ternally, the biventer cervicis, for the inner third the trapezius, 

 next the occipitalis, sternocleidomastoid, and splenius capitis. 

 Between the superior and inferior lines are, internally a large 

 impression for the complexus, and externally a small one for 

 the superior oblique. Below the lower line is an inner impres- 

 sion for the rectus capitis posticus minor, arid an outer one 

 for the major. The ligamentum nuchse is attached to the 

 protuberance and crest. 



The internal surface of the tabular portion shows two ridges 

 crossing each other, one from the upper angle to the foramen 



