DISSECTION OF THE HEAD AND NECK 283 



that the basis cranii interim looks upward; on each side com- 

 plete the division of the base of the skull by chiselling through 

 the solid interval still left, i.e., from the lateral extremity of 

 the chisel-cut through the pars basilaris backward upon the 

 medial side of the jugular foramen to the medial end of the 

 saw-cut. 



FIG. 121. 



Pars basilaris 



Process^ ^ofdCMf \--"l*li >MHBWiW\i" /" M " rectus Capitis latt ' mlis 



Processm, ... m air ! i -^^^v posterior) 



culum anteriux utlanti* 

 M. longus capitis 



. levator scapulae 

 !M_ _M. longus colli 



ossis occipitalis Pars prtrosa 

 ossis tempo rains 



M. scalenus medius 



M. scalenus anterior 



~.M. scalenus posterior 



Scalenus-space 



costae II. 



The deep muscles of the front of the neck. (After Toldt, Anat. Atlas, Wk-n, 1900, 3 Aufl., p. 294, 



Fig 



The forepart of the skull (with the pharynx and great vessels 

 and nerves) is now to be separated from the hind part (with 

 the cervical spine). The N. hypoglossus is cut through close to 

 the base of the skull, but should not be separated from the gan- 

 glion of the N. vagus. Wrap the pharynx and forepart of the 



