RK;HT SIDE. 



Fissure of Rolando. 



Calloso-marginal sulcus. 

 Parietal lobe. 



Fissure of Sylvius. 

 Lateral ventricle. 



uamous part of temporal. 

 Tentorium cerebelli. 



Right cerebellar lobe. 

 Mastoid cells. 



Occipital bone. 



Styloid process. 

 Spinal cord. 



LEFT SIDE. 



Superior longitudinal sinu 

 Falx cerebri. 



Fissure of Rolando. 



Inferior longitudinal sinus 

 Corpus callosum. 



Temporo-sphenoidal lobe. 



Mastoid antrum. 



Inferior vermiform proces; 

 Lateral sinus. 



Atlas. 



Artie, proc. 2nd cer. vertel 



,, 3rd 



4th 



Body of oth cer. vertebra. 



PLATE XXVII. Coronal section of head just behind posterior attachment of pinna viewed 



from the front. 

 Line of section is marked 4 in plate XXII. 



