PHASC0L0MY11KE 



M5 



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



WF^Wimm 



Fig. 4-1. — Clmropus castanotts. From Gould. 



alisphenoid. Masseteric fossa of mandible with a perforation and 

 a deep pit. 



Fig. 45. — Common Wombat (Phascolornys itrsinus). 



Phascolomys. 1 — The existing Wombats (Fig. 45) comprise three 

 1 GeoiTrov, Ann. du Museum, vol. ii. \>. 365 (1803). 



10 



