38 
HORN EXPEDITION—MAMMALIA. 
Palate, length ... ... ... ••• 21 
,, breadth between outer corners of 12 
Basi-cranial axis ... ... ... 9'15 
Basi-facial axis ... ... ... ... 23 
Facial index ... ... ... ... 153‘3 
Teeth, horizontal length... ... P2 
,, length of ... ... ... 9 
,, breadth of ... ... ... 3 
Dentition /. 
1.2.3.4 
lX3 ■ 
c. 
-. p.m. 
1.0.3^ 
L0:3T0' 
/n. 
1.2.3.4 
1 . 2 . 3 . 4 ’ 
The dentition is somewhat similar to that of such a Phascologale as Ph. 
apicalis. 
There is a considerable interval in the upper jaw between p and P. The 
canines are large and strong, that in the upper jaw measuring from 3 to 4 mm. in 
length, and that in the lower jaw upwards of 3 mm. In the immature form the 
upper is absent ; in somewhat older speciniens it is present and about the same 
size as both of them being smaller than The lower is never present (in 
seven specimens examined). Presumably there is no milk upper p'^. 
Dimensions. 
a 
Mature d 
in al. 
b 
Mature 2 
in al. 
c 
Mature d 
in al. 
d 
Immature d 
in al. 
e 
Mature d 
in al. 
/ 
Mature d 
in al. 
ff 
Mature d 
in al. 
Head and Body 
- 
182 
175 
165 
125 
05 
170 
166 
Tail 
- 
130 
132 
140 
100 
138 
134 
131 
Ear 
- 
18 
20 
20 
16'5 
21 
23 
21 
Hind-foot 
- 
38 
37 
39 
33 
37 
37 
38 
The greatest width of the hind-foot varies between 7‘5 and 9 mm. 
In general appearance, except in regard to the tail, Dasyuroides byrnei 
presents a strong resemblance to large specimens of Ph. cristicauda., but can at once 
be distinguished by the absence of a hallux. In addition, it is of somewhat larger 
size and stouter build. Both species have the strongly black-crested tail, rufous- 
