PLATE IV 



Hypophyseal fossa (pituitary) 



Internal acoustic 

 meatus 



)ondyle of mandible ~ 



Floor of tympanic ... '..'Vff.nj 



Atlas 



Sphenoidal sinus 



;,^MM| 



Frontal sinus 



Ethmoidal eel 



- Maxillary sim 



FIG. 4 1. Lateral radiograph of a living Skull. (Gouldesbrough. ) 



