Bones of the Cranium. 



2. Occipital Boiie, Os OCClpitis, from behind. 



2. Occipital portion with the external occipital protuberance, 

 Protulerantia occipttalix externa, from which runs the external occipital crest, 

 Crixta occtpitalis externa, to the Foramen inaf/mitn ; transversely run both 

 Linear, semicirculares cxternar, i. e. the superior and inferior curved lines 

 (for the insertion of muscles and ligaments). The borders are the superior, 

 Maryo hnnbdoldms, for articulation with both parietal bones, and the 

 inferior, ^Faryo maatoideus , for articulation with the mastoid portion of 

 the temporal bone. 



