ANATOMY OF THE PIG-FOOTED BANDICOOT. 



67 



auditory meatus and runs obliquely downward and forward, as a 

 narrow band, to be inserted into the outer surface of the ramus 

 of the mandible deep to the portion of the masseter last described. 



Fio-. 3. 



1. Infraorbital Nerve. 2. Buccinator. 3. Retractor naris (cut). 4. Angle 

 of Mandible. 5. Superficial Masseter (cut). (5. Deep Masseter. 7. Third 

 part of Masseter. 8. Auditory Meatus. 



I think it is supplied by the third division of the fifth, but on 

 this point I am not quite certain as the nerve was so extremely 

 small. 



The Pterygoids are remarkable for the lowuess of their 

 insertions : the externus, instead of passing to the condyle, is 

 attached to the inner surface of the ramus just above the inferior 



Fig. 4. 

 7. 



1. Temporal. 



External Pterygoid. 3. Internal Pterygoid. 

 4. Inferior dental foramen. 



dental foramen, which is also singularly low down ; while the 

 internus is inserted into the lower border of the mandible, which, 

 as in all marsupials, is incurved. It is worth while considering 



