V, AUSTRALIAN MAMMALIA. 43 



H. masters! ; Masters' Wallaby, Queensland. 



H. greyi ; from South Australia, named after Captain George 

 Grey. 



H. wilcoxi ; from the Richmond and Clarence Rivers district. 

 H. brownii; a Wallaby from New Ireland. 

 H. billardieri ; the Tasmanian Wallaby. 



Petrogale penicillata ; the Rock Wallaby of N. S. W. 



P xanthopus ; a yellow-footed Rock Wallaby from Flinder's 

 Range, South Australia. 



P. longicaudata ; Long-tailed Rock Wallaby, N. S. W. 

 P. sp. ; from Derby, West Australia. 



DendrolagUS ursinus ; D. inustus and D. dorianus ; these 

 are Kangaroos with the anterior extremities large and 

 powerful and with large foreclaws ; they are found in 

 New Guinea, and two other species are found in Queens- 

 land. 



Dorcopsis luctuosa ; is a Wallaby found in New Guinea. It 

 differs from other genera in its dentition. 



Onychogale unguifer ; is a Kangaroo from the North West 

 and other parts of Australia, it is of a slender and graceful 

 form, about the size of a rabbit, of a pale red colour, and 

 is characterised by the horny point to its tail, from which 

 it is called the nail-tailed kangaroo. 



0. lunata ; is from West Australia. 



O. frenata ; is from the lower Murray district, N. S. W. 



Lagorchestes leporoides; the Hare Kangaroo, found in 

 South and West Australia and in N. S. W. This is a 

 very active little animal, with small and delicate feet and 

 velvety fur. It differs from the Great Kangaroo in its 

 upper teeth. The name is derived from the Greek lagos 

 a hare and 07xhestes, a dancer. 



