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46 LLOYD’S NATURAL HISTORY. 
Halmaturus brachyotis, Schinz, Synops. Mamm., vol. 1., p. 562 
(1844). 
Characters,—Size medium ; form light and slender ; fur short 
and thin. General colour greyish-fawn ; under-parts greyish: 
white ; face-markings almost obsolete; ears very short, fawn- 
grey on the back, with the edges and extreme tip white; a 
dark brown blotch behind the elbow, followed by a whitish 
band ; limbs pale grey; tail grey above, whitish beneath, the 
terminal fourth tufted inferiorly with longer dark brown hairs. 
Length of head and body about 22 inches ; of tail 16 inches. 
Distribution.—North-west coast of Australia. 
IV. PLAIN-COLOURED ROCK-WALLABY. PETROGALE INORNATA. 
Petrogale inornata, Gould, Proc. Zool. Soc., 1842, p. 5; 
Thomas, Cat. Marsup. Brit. Mus., p. 70 (1888). 
Hlalmaturus inornatus, Schinz, Synops. Mamm., vol. i., p. 566 
(1844). 
Macropus inornatus, Waterhouse, Nat. Hist. Mamm., vol. i., p. 
175 (1846). 
An imperfectly known form, very closely allied to P. drachyotis, 
and perhaps founded upon an individual of that pec with 
the markings unusually indistinct. 
Distribution North coast of Australia. 
Habits.—Sir George Grey, by whom this species was first 
discovered in the neighbourhood of Hanover Bay, writes that | 
it is a very wild and shy animal, frequenting in the daytime 
the highest and most inaccessible rocks, and only coming down ° 
in the early morning and late in the evening to feed in the - 
valleys. When disturbed in the daytime, it bounds among - 
the roughest and most precipitous rocks, apparently with the 
greatest ease, and is so watchful and wary that to obtain a suc- 
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. cessful shot is by no means an easy matter. The heat of the ’ 
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