BONES OF THE HEAD 



63 



THE SQUAMOUS PORTION. This is scale-like in form 

 and very thin. Its external surface is convex, smooth, 

 and affords attachment to the temporal muscle and 



FIG. 28 



^Internal External 



igular process. anptt j ar proce88t 



Nasal spine, 

 Frontal bone. Outer surface. 



(Gray.) 



bounds part of the temporal fossa. Proceeding for- 

 ward from the lower part of this portion of the bone 

 is a long arched process of bone, the zygoma or zygo- 

 matic process. 



