SOUTHERN POUCHED RAT. 
243 
the hairs of P. bursarius, and feeling much coarser and more rigid than in 
that species, especially on the under surface ; the cheek-pouches are some- 
what difierently situated from those of P. bursarius : whilst in the latter 
species the upper edge is more than half an inch below the base of the 
superior incisors, the cheek-pouches in the present species open immediately 
into the mouth, the upper edge reaching them, so that while in P. bursarius 
the food has to be taken from the jiouches and conveyed round to the 
mouth, the present species is able, by the peculiar form and situation of the 
opening of its pouch, to shove the food from the pouch immediately into 
the mouth. The pouches are, internally, sparsely covered with short 
hairs. 
COLOUR. 
Hair on the back, plumbeous from the roots for three fourths of its 
length, then yellowish, tipped with black ; on the belly, the hairs are cine- 
reous at base, and dirty yellow at the tips ; under the throat, they are of a 
uniform ashy white. Whisker's, white, with a few (shorter ones) dark 
brown ; teeth, pale orange ; claws, light yellow, those on the hind-feet 
dark brown at the points ; feet and tail, flesh colour. The result of the 
colouring of the hairs just mentioned is— back, brownish-yellow ; nose and 
forehead, brown ; under surface from the chest to the thighs, bluish-gray ; 
throat, ashy white. 
DIMENSIONS. 
Inches. 
From point of nose to root of tail, 81 
Tail, - 4 
Longest middle claw, § 
Palm, including claw, 4 § 
Breadth of head between the eyes, f 
between ears, - - 1 J 
HABITS. 
The Southern Pouched Rat is very similar to the Canada Pouched Rat 
in its habits and manner of living, the chief differences in these respects 
between the former and the Pseudostoma bursaria being the natural result 
of different climate and situation. 
This species is very remarkable for the apparently definite line of coun- 
try it occupies, for, as far as we have been able to ascertain, although 
