100 
MACKOPODIDiE. 
MACROPUS ( Halmaturus ) ROBUSTUS. 
Great Rock Kangaroo. 
(Plate 7 .) 
Macropus (P tiro gale) robustus. Gould, Proceedings Zool. Soc. for August, 
1840, Pt. 8, p. 02. 
Petrogale robust a . Gould, Monograph of the Macropodid*. 
Pt. 1, 5tli Plate. 
Macropus robustus . Waterhouse, Marsup. p. 241. 
Black Wallaroo of the colonists. 
Male. — Fore legs powerful ; tarsi short : fur rather short and 
harsh, general colour very deep slate grey, slightly suffused 
with brownish on the upper parts of the body ; the under 
parts rather paler than the upper; chin with a black patch; 
ears white internally, and brown externally; feet black ; hind 
feet sooty black, but paler on the inner side near the heel. 
Height about 3 feet (i inches. 
Female . —Much smaller than the male : general colour gilverv- 
grey, slightly tinted with purple on the back; the under 
parts nearly white ; fore-feet brown, toes blackish ; hind 
feet pale, but with the toes brown-black. 
Inhabits the mountain ranges in the interior of New South 
Wales. 
According to the observations of Mr. Gould, tlio Great 
Rock Kangaroo inhabits the summits of sterile and rocky 
mountains, from which it seldom descends to the coverts at 
their sides, and never to their base. As yet it has only been 
found in the south-eastern portion of the continent, and is 
said to be tolerably abundant in the Liverpool range. Mr. 
Gould ascertained that it also inhabited many of the hills 
which branch off on either side of this great mountain chain, 
both towards the interior as well as towards the coast. 
This species is extremely agile among the rocks, and its 
retreats are so well chosen among the crags and overhanging 
