RIGHT SIDE. 



Right frontal lobe. 



Frontal sinus. 

 Crista galli. 



Hiatus semilunaris. 



Opening of antrum. 

 Superior maxillary nerve. 



2nd bicuspid tooth. 



Sublingual gland. 



LEFT SIDE. 



Superior longitudinal sinus. 

 Falx cerebri. 



Frontal sinus. 

 Lachrymal gland. 

 Retina. 



Middle turbinal. 

 Septum nasi. 

 Inferior turbinal. 



Oral cavity. 



Septum linguae. 

 1st molar tooth. 



2nd bicuspid tooth. 



Symphysis menti. 



PLATE XXIV. Coronal section of head through external angular process of frontal bone 



viewed from the front. 

 Line of section is marked 1 in plate XXII. 



