62 RABBIT 



30. Head with skin removed, side view: external auditory meatus; masseter muscle; facial nerve; parotid 

 gland ; eyeball ; lachrymal gland ; infraorbital gland. 



31. Mouth, view of interior as seen when opened widely after cutting through the muscles at its sides : upper 

 incisor teeth (4) ; upper premolar teeth (6) ; upper molar teeth (6) ; lower incisor teeth (z) ; lower premolar teeth (4) ; 

 lower molar teeth (6) ; ruga of hard palate ; soft palate ; posterior nares ; pharynx ; orifice of oesophagus ; glottis ; 

 epiglottis; tongue. After making the above sketch the soft palate should be slit open to expose the orifices of 

 the Eustachian tubes. 



