324 
PETAURUS TAGUA NOIDES. 
This animal varies considerably in its colouring, and is 
often of a greyish black hue on the upper parts, the dark 
hairs being more or less pencilled with grey; the flank mem¬ 
branes are generally more distinctly pencilled, and conse¬ 
quently of a paler general hue than the back, and the limbs 
are black externally. Specimens which are totally white, and 
others whicli are white and irregularly variegated with grey or 
dusky, are not rare. 
Inches. Lines. 
Length of skull ... ... ... ... ... 2 4£ 
Width of ditto ... ... ... . 1 5$ 
11 between orbits ... ... ... 4 
Length of nasal bones ... ... ... 8$ 
Depth of zygomatic arch behind . 3J 
Length of palate ... ... . 1 2 
" of the six upper, contiguous, molar teeth, 
taken together ... ... .. 94 
“ of the lower jaw ... ... .. 1 C 
Height of ditto in a vertical line dropped from 
apex of coronoid process ... ... ... 11 
Length of five contiguous molar teeth, taken 
together ... . . 94 
Mr. Gould informs me that the Taguan Flying-Plmlanger 
is chiefly confined to the “ scrub ” districts of New South 
Wales. 
Pefaurus Peronii. 
Desmarest describes this animal as having the body brown 
above, and white beneath ; the head brown, particularly around 
the eyes; the muzzle suffused with yellow; the ears very 
pointed, brown above, and whitish at their base internally, and 
this colour is somewhat extended on to the cheeks ; chin, deep 
brown ; flank membranes above, brown, variegated with grey; 
haunch brown, shaded into yellowish ; thighs externally, as 
well as the hind feet, of a deep brown ; tail cylindrical, rather 
