BOXES OF THE SKULL. 



119 



of the brain, and a number of little pits (2, 2, 2, 2), more 

 or less deep, in which the glandulse pacchionae are situated : 

 there are also the impressiones digitate (3, 3, 3, 3), and emi- 

 nentiae ma- Fig- 84. 



millares, 



1,4,4), 

 produced 

 by the con- 

 volutions of 

 the brain ; 

 the groov- 

 or the 

 meningeal 

 arteries are 

 seen at 5, 

 5, 5, 5, and 

 the parietal 

 holes at 6, 6. 



R244. 

 The tempo- 

 rals (ossa 

 temporuni), 

 fig. 85, are 

 of an irre- 

 gular form, 

 and consist 

 of three 

 portions, 

 the squa- 

 mous (I), 

 the mammillary (II), and the petrous (HI.) 



Fig. 86, represents the ex- Fig. 86. 



ternal surface of the squam- 

 ous portion (a), with the root 

 of zygomotic process (2), 

 and the glenoid cavity for the 

 head of the lower jaw (6). 

 The internal surface of the 

 same portion (fig. 87) exhi- *1 

 bits the bevelled edge that 

 :t]>< tlieparietals, and the 

 depressions (6) for receiving 

 the convolutions of the cerebrum. External surface 



