PHASCOLOMYS MITCIIELLII. 
245 
the first grinder is also relatively larger, and of a more 
prismatic form; the upper incisors are less compressed and 
more prismatic; this difference is so well marked, that once 
appreciated, any one might recognise the fossil by an incisor 
alone. There is a similar difference in the shape of the lower 
incisor. The fossil is also a little larger than the largest 
Wombat cranium in the Hunterian collection.” 
