PHA SCOLOM YID& 



145 



wall formed by a descending process of the squamosal, instead of the 



FIG. 44. Chcaropus castanotis. From Gould. 



alisphenoid. Masseteric fossa of mandible with a perforation and 

 a deep pit. 



FIG. 45. Common Wombat (Phascolomys ursinus). 



Phascolornys. 1 The existing Wombats (Fig. 45) comprise three 

 1 Geoffrey, Ann. du Afus6um, vol. ii. p. 365 (1803). 

 10 



