1909.] OF MARSUPIALS AND MONOTREMES IN S.AY. AUSTRALIA. 825 



It is quite possible that they are now entirely extinct, although 

 I picked up six old skulls of Potorous gilberti near the enti-ances 

 of some caves in the Margaret River district, and they may still 



Text-fig. 260 



Map showing distribution of Potorous gilberti . 



exist sparingly in that and other localities, as they are very liable 

 to be overlooked on account of their great external resemblance 

 to Jfac7'opus hrachyu7'as. 



