Fig. 10. INTERIOR OP THE BASE OF THE SKULL, TENTORIUM REMOVED. 

 i to 12, The various cranial nerves at their foramina of exit. 



13, Pituitary gland and infundibulum. 



14, Spinal cord. 



15, Internal carotid artery. 



16, Lateral sinus. 



17, Middle meningeal artery. 



18, Cavernous sinus opened. Figure 5 points to the Gasserian ganglion on the fifth 

 nerve. A, anterior, , middle, C, posterior fossa of skull. 



