334 PROF. R. COLLETT OS ma.m:mals [Mar. 16, 



lighter, the hairs here being brownish yellow throughout) ; outer 

 half and lower surface blackish. 



Size rather large ; length of an adult male (measured in the 

 skin) from tip of snout to vent about 330 mm., tail 295 mm. (the 

 tail thus is both relatively and absolutely louger than in specimens 

 described by Thomas, Z. c. p. 270). 



SJcull. Size of an adult male : length 69 mm., breadth 44 mm., 

 nasals 25 mm., upper »n'"^ 13 mm., length of palate 35 ram. 



Hah. Throughout Arnhem Land, but nowhere common. It lives 

 on trees and amongst rocks. 



Native names : Jirian, Tjabbo. 



28. Phascologale penioillata (Shaw), 1800. 



Pliascologale penicillata, Thos. Cat. Mars. Monotr. Brit. Mus. 

 p. 294 (1888) ; Ogilby, Cat. Austral. Mamm. p. 12 (1892). 



N. Australia ; Daly Eiver, Oct. 10th, 1894 (two young ones). 

 Fountain Head, May 5th, 1895 (one specimen). Union Town, 

 May-July 1895 (five specimens). 



N. W, Australia : Roebuck Bay, Feb. 3rd, 1896 (one specimen). 



Young. Two specimens (size of a mouse), male and female. 

 Tail-brush already well developed. Upper i^ not yet visible, c half- 

 grown, m^ not developed. P* is the milk premolar, very small, 

 about half the size of p^. 



Hah. Common in the interior of Arnhem Land, more scarce at 

 Eoebuck Bay. 



Native name : Wombo. 



29. Phascologale flavipes leucogaster, Gray, 1841. 



Phascologale fiavipes, var. leucogaster, Thos. Cat. Mars. Monotr. 

 Brit. Mus. p. 291 (1888); Ogilby, Cat. Austral. Mamm. p. 13 

 (1892). 



N. Australia : Daly Eiver, July 1894 (one specimen, in spirit). 



Skin. The tail being imperfect, the specimen cannot be deter- 

 mined with absolute certainty, but there is nothing to prevent it 

 from being the north-western form of P. fiavipes. 



Hah. Only one specimen from Arnhem Land. 



30. Sminthopsis nitela, n. sp. 



Biagn. Allied to S. leucopus (Gray), but characterized by a 

 central stripe from muzzle to forehead, incrassated tail, and smooth 

 (not striated) pads. 



Measurements (from specimens in spirit) : — ■ 



mm. mm. 



Length of head and body 89 70 



Tail 99 88 



Sole, from heel to tip of claws 22 18 



