MACROPUS PENICILLATUS. 243 



tail, 25^ inches; heel to end of toes, 11 inches; ear 

 to tip of muzzle, 8 inches ; length of ear, 3 inches 7 

 lines. The female measures from the tip of the nose 

 to the root of the tail, 33 inches ; tail, 26 inches ; 

 tarsus, 10 inches 2 lines. These dimensions are 

 taken from unmounted skins, some of them therefore 

 can only he regarded as approximations. The total 

 length of the animals in all prohahility should he 

 rather more than here mentioned. 



Mr. Gould discovered this fine new species in the 

 interior of New South Wales. 



BRUSH-TAILED KANGAROO. 



Macropus penicillatus. 

 PLATE XXII. 



Macropus penicillatus, Gray. Griff. Ann. Kingdom. V. p. 527. 

 The Rock Kangaroo of the colonists of New South Wales. 



Form robust ; tail long and very hushy, especially 

 the apical half; feet densely clothed with fur; the 

 claws of the hinder feet hidden by the long hairs ; 

 ears moderate; fur very long and rather soft; general 

 colour very deep vinous or purplish-grey ; a deep 

 rusty hue is observable on the rump and root of tail ; 

 the chest is purplish-grey, pencilled with grey- white; 

 the chin is of a pure white colour, and a tolerably 

 broad white line runs from thence on to the chest ; the 

 fore part of the belly is purple-grey ; on the hinder 

 part, below the pouch of the female, and under side of 

 the tail at the base, a palish rusty-yellow hue prevails ; 



