MACROPUS. 51 



Genus XI. MACROPUS, Shaw (1790). 



Size variable. Rhinarium generally wholly naked. Ears well 

 developed. Fur on nape normally directed downwards. Limbs 

 very unequal, the hind much longer and stronger than the fore. 

 Central hind claws long. Tail thick, tapering, evenly haired 

 (except in M irma). Mammse four. 



j*. ... r 1.2.3 n Oor/ T> 0.0.3.4 - 1.2.3.4 o Q n 



Dentition. 1. ,-7^, C. ^ , Jr. ooH> JU - 1234 x ^ = ^2. 



Habits. Terrestrial ; herbivorous. 



1. MACROPUS BRACHYURUS, Quoy & Gaimard, sp. (1830). 

 Short-tailed Wallaby. 



Size small ; form short and squat. Rhinarium with a central 

 upward projection. Fur long, thick, and coarse. General color 

 above coarsely grizzled gray-brown ; below slaty-gray. Ears very 

 short and rounded ; the backs thickly haired, grizzled gray. Hands 

 and feet brcwn. Tail very short, about twice the length of the 

 head ; brown above ; grayish-white beneath. 



Dimensions. Head and body about twenty-three inches ; tail 

 about ten inches. 



Habitat. West Australia. 



References. Thomas, B.M. Catal. p. 60, pis. vii. fig. 4 (upper 

 mew of skull); ix. fig. 6 (upper incisors); x. fig. 13 (fourth pre- 

 molar); Gould, Marnm. Austr. ii. pis. xxxvii., xxxviii. 



2. MACROPUS BILLARDIERI, Desmarest (1822). 



Rufous-bellied Wallaby. 



Size small ; form stout and heavy. Fur long, 'thick, and soft. 

 General color above grayish-brown with an olive tinge, especially 

 on the head and rump ; below yellow, orange, or rufous, most 

 intense on the anal region. Ears very short, their backs olive- 

 gray, margined anteriorly with black. An indistinct nuchal 

 stripe often, and a faint yellowish hip-stripe sometimes, present. 

 Arms and legs gray-brown ; hands and feet brown. Tail very 

 short, about two and a half times as long as the head ; above 

 proximally orange, below distally grayish-white ; the remainder 

 grayish-brown. 



Dimensions. Head and body about twenty-six inches, tail 

 about fourteen inches. 



Habitat. South-eastern South Australia ; Victoria; Tasmania; 

 Islands in Bass' Straits. 



References. Thomas, B.M. Catal. p. 58, pi. x. fig. 12 (fourth 

 premolar) ; Gould, Mamm. Austr. ii. pis. xxxv., xxxvi. 



