1897.J FROM NORTH AUSTRALIA. 327 



occiput and neck, almost obsolete in some, but more distinct in 

 others. In the latter it reaches to between the white shoulder- 

 markings. 



Eyelids black, hands and feet dark brownish grey. 



The lower side of the tail is greyish white almost to the tip ; 

 the longer dark brown hairs are forming a brush chiefly on the 

 upperside of its terminal third or fourth. 



A young from the pouch (length 100 mm. without tail) is still 

 almost naked ; snout hairy. 



Teeth. Only one of the skulls at hand is from an adult specimen, 

 its length is 100 mm., breadth 53 mm. It is a male, with the 

 innermost molar fully developed and the persistent jj' functional. 



Another skull, a younger male, length 90 mm., breadth 46 mm., 

 is in the stage where the persistent j/ is showing above the root of 

 p^ and the milk p^, both of which are still present, but much worn. 

 The first traces of m* are visible through the maxilla. 



The other skulls are all younger, with^^ and the milkp'' still in 

 place. 



The milk p^ is broad, rather like a molar, but not so perfectly 

 molar-like as is the case in P. concinna. 



Hah. Common in Arnhem Land in broken hilly country ; also 

 seen on the Victoria Eiver. 



Native names : Petpuugo, Doria. 



20. Ontchogale tjnquifera (Grould), 1840. 



Onyclioqale iinrfuifera, Thos. Cat. Mars. Monotr. Brit. Mus. p. 74 

 (1888); Ogilby, Cat. Austral. Mamm. p. 48 (1892). 



N. Australia: Glencoe, Jan. 1895 (one specimen). 



KW. Australia: Eoebuck Bay, Feb. lst-20th, 1896 (four 

 specimens). 



Skull. Posterior palate {os palatinum) sieve-like, with numerous 

 vacuities ; a few holes in tlie maxillary part of the palate. 



None of the specimens are perfectly adult, the iunermost molar 

 not having reached its full height in any of them. 



Teeth. The persistent p^ is very small, with three very distinct 

 cusps and deep notches between them. It is much like p^, but 

 narrower in front. The milk p* is unlike both, rather molar-like, 

 but a little smaller than m'^. 



The youngest specimen, a female, length 92 mm., has both jf 

 and the milkj>' functional. Ji' has not yet appeared. 



The next speciuien, also a female, length 93 mm., has p^ and 

 the milk jj' functional in all jaws except in the upper left, where 

 jf has fallen out, and the persistent p* is showing itself above the 

 root of the milk p^ ; m^ is half -developed. 



In two larger specimens, length from 97-101 mm., p* is 

 functional, but m* not yet fully up. 



Canines mostly present. 



Hah. In Arnhem Land this Kangaroo was only met with around 

 Tountain Head and Glencoe ; at Eoebuck Bay, it was common 

 amongst the Melaleuca scrubs on the edges of open plains. 



Native name : Korrabbal. 



