12 Proceedings of the Royal Society of Victoria. 



brown. Aljout the middle of its length it is covered with coarse 

 black hairs, which increase in length distally on the upper and 

 under surface until, especially on the upper surface, they form a 

 distinct black crest, a smaller crest being present ventrally.* 



The tail is considerably swollen out proximally, and somewhat 

 incrassated. f 



Palms with six granulated elevations. 



Soles with three granulated elevations, each with a small, 

 unstriated pad, at the base of the toes. 



Pouch ojoening vertically downwards, with moderately deve- 

 loped lateral folds. Manmiaj six. 



Dentition i. 



1.2.3.4 



p.iji. 



1.0.3.4 



1.2.3.4 



1.2.3 1 ^ 1.0.3.0 1.2.3.4 



Canines long and strong ; upper p^ either absent or tubercular, 

 lower ^"^ always absent. 



Dimensions. 



In the skull the frontal region is flattened, and the nasal bones 

 are markedly broadened posteriorly. Bullae much swollen : the 

 posterior mastoid portion inflated. 



Habitat. — South and Central Australia. The exact locality 

 of ]\lr. Krefl't's specimen is doubtful. He gives it as "probably 

 Lake Alexandrina," that is, near the mouth of the Murray 

 River. All of mine came from Central Australia. The animal 



* This description, thougli cousiilenibly different from that given by Mr. Krefft, will 

 still apply to the type specimen, as he api)ear^ to liave quite overlooked the small crest on 

 the under surface. 



t This also applies to the type sijecimen. 



