UNADORNED ROCK-KANGAROO. 
175 
MACROPUS ( Hcterojm) INORNATUS. 
Unadorned Rock-Kangaroo. 
Pet royal e inomata , Goolo, Proceedings of the Zoological Society for January, 
1812, Pt. 10, p. 5. Monograph of the Macropodids, 
It. 2, PI. 10. 
General colour sandy grey, grizzled over the shoulder?, and becom¬ 
ing much lighter on the Hanks; nil indistinct line of a lighter 
hue runs along the face under the eve; a dusky red patch 
behind the elbow ; under parts sandy white inclining to rufous 
on the lower part of the abdomen; arms and tarsi sandy 
grey passing into dark brown at the extreme tips of the toes; 
basal half of the tail sandy brown, the remainder black, the 
former colour extending along the sides of the tail for some 
distance towards the tip; ears sandy grey, bordered by a very 
narrow line of dark brown on the inner edge; a dark patch 
at the occiput passing into a dark line down the forehead.— 
Gould. 
Length from nose to tail .,. 
Inches. 
... 22 
Lines. 
9 
ii 
of tail ... .. 
... 15 
3 
ii 
of tarsus, toes and nails 
... 5 
3 
41 
of arm, hand and nails. 
... 5 
0 
41 
from tip of nose to base of ear 
... 4 
G 
II 
of car . 
... 1 
lot 
Inhabits the north coast of Australia. 
This animal is about equal in size to the if. lateralis, and 
is readily distinguished from that and other species, (with the 
exception of if. conettwus,) by the absence of markings on 
the sides of the body, and the pale colour of the hack of the 
ears, as well as of the feet It was discovered by Air. 
Bynoe, of H.M.S. Beagle, on the north coast of Australia, 
and is deposited by that gentleman in the British Museum 
