EXISTING SPECIES OF THE GENUS PHASCOLOMYS. 
Table 2.— Skull Measurements of Phascolomys from Flinders 
Island. 
Number of Specimen 
1 . 
2. 
3. 
4. 
Basal length . . 
133.5 
Greatest breadth 
108(?) 
104 
Nasal length . . 
„ greatest breadth 
33 
,, least breadth 
Interorbital breadth 
Breadth between tips of postorbital pro- 
37 
cesses 
40 
Intertemporal constriction 
Palate length 
80 
78.5 
Diastema length 
31 
27 
Palatine foramen 
8.5 
9.5 
Basi- cranial axis 
44 
Basi-facial axis 
91 
88.5 
Facial index . . 
206.7 
Length of tooth series — -upper jaw 
41.5 
41 
. . 
. . 
„ „ lower jaw 
43 
45 
42 
[ 50 ] 
