FIG. 382 A. Posterior view of the occipital region of the skull of a 

 ' young cat. 



PA., Parietal; I. PA., inter-parietal; SQ., squamosal; IS. O., supra-occipital; Z., 

 posterior end of the zygomatic process of the squamosal ; PER., outcrop of the 

 periotic bone (mastoid portion) ; EX.O., ex-occipital ; TY., tympanic bulla ; 

 CO., occipital condyle, formed by the ex-occipital ; F.M., the foramen magnum, 

 through which the spinal cord passes out from the brain. 



