BOXES OF THE SKULL. 



175 



CRANIUM 



MESAL (5).. 



(Single or Azy- 

 gous Bones). 



BASIOCCIPITALE. 



Basilar process of the occipital 



BONE. 



cattdaii part op the body of the 

 sphenoid bone, including the 

 sella txtrcica. 



Cephalic part of the body of the 

 sphenoid bone. 



Tabular part of the occipit.Uj 



BONE. 



BASISPHENOIDEUM. 



PR^SPHENOIDEUM. ] 

 SUPRAOCCIPITALE.. j 

 INTFRPARIFT \hF ^ Dorso-cephalic angle op the tabu- 



" ' 1 LAR portion of THE OCCIPITAL. 



EXOCCIPITALE , 



LATERAL (10). ^ 

 (Paired Bones), 



PERIOTICQM 



(Petro-mastoideiim. 

 Petrosum or 

 Petrosale). 



TYMPANICUM 



SQUAMOSUM 



(Squamo-Zy gom ati - 



cum). 



PARIETALE 



ALISPHEXOIDEUM.. 



PTERYGOIDEUM .. . 



ORBITO-SPHENOI- 



DEUM 



FRONTIS 



ETHMO-TURBINALE - 



Condylar portion of the occipi- 

 tal BONE. 



The petrous and mastoid por- 

 tions OF the temporal bone ; 

 the first including the 

 labyrinth and meatus audi- 

 torius internus. 



The tympanic ring and auditory 

 process. The auditory bulla 

 and the postglenoid part of 

 the temporal bone. 



The squamous part of the tem- 

 poral BONE WITH THE ZYGO- 

 MATIC PROCESS, INCLUDING THE 

 ARTHRAL SURFACE FOR THE 

 MANDIBLE. 



The PARIETAL BONE. 



Great wings of the sphenoid 



BONE with the LATERAL (EX- 

 ternal) pterygoid plates. 

 The mesal (internal) pterygoid 



PLATES. 



The LESSER wings of the sphe- 

 noid BONE. 

 The frontal bone. 



The lateral masses with the 

 dorsal and ventral turbi- 

 nated bones of the ethmoid, 

 the cr'briform plate, and 

 the os planum or orbital 

 plate of the ethmoid 



FACE 



r 



MESAL (2) \ 



(Single or Azygous I 

 Bones). [ 



The VERTICAL (mesal) plate op 



THE ETHMOID BONE, INCLUDING 

 THE CARTILAGINOUS NASAL 

 [ SEPTUM. 



VOMER The Vomer, or Os vomeris. 



MESETHMOIDEUM , 



