70 MACEOPODlBiE. 



concave, but this concavity not enough to show in a lateral view 

 of the skull. Supraorbital edges sharp, less prominent than in 

 P. lateralis. BuUse slightly inflated. 



Teeth as in P. lateralis, but p." rather larger and heavier. 



Dimensions. 



a (stuffed). h (skin). 



milliin. millim. 



Head and body 540 640 



Tail 400 360 (?) 



Hind foot 130 122 



Ear 40 34 



Skull, see p. 72. 



Hah. North-west coast of Australia. 

 Co-types in collection. 



, ) Ad. sks. I , o Hanover Bay, N.W. coast of Gould Coll. {Co- 

 "■' "■ I SkuUs. ( o + ■ Australia {Sir G. Orey). types of species.) 



5. Fetrogale inornata. 



Petrogale inornata, Gould, P. Z. 8. 1842, p. 5; id. Man. Mao-op. 



pi. XXV. (animal) (1842); Gray, List Mamm. B.M. p. 92 (1843) ; 



Gould, Mamm. Austr. ii. pis. xlv., xlvi. (animal) (1860) ; Krefft, 



Austr. Vert. p. 11 (1871). 

 Halmaturus inornatus, Schinz, 8yn. Mamm. i. p. 666 (1844) ; Wagn. 



Sehr. Sdug. Supp. v, p. 331 (1855). 

 Macropus (Heteropus) inornatus, JFaterh. JV. H. Mamm. i. p. 175 



(1846). 

 Macropus inornatus, Gieb. Sdug. p. 684 (1859). 



Plain-coloubed Eock- Wallaby. 



" General colour of the upper parts sandy grey, grizzled over the 

 shoulders and becoming much lighter on the flanks ; an indistinct 

 line of a lighter hue along the face under the eye ; ears sandy grey, 

 bordered by a very narrow line of dark brown on their inner edge ; 

 a dark patch on the occiput, passing into a dark line down the fore- 

 head ; a dusky red patch behind the elbow ; under surface sandy 

 white, inclining to rufous on the lower part of the abdomen ; arms 

 and tarsi sandy grey, passing into dark brown at the extreme tips 

 of the toes ; basal half of the tail sandy brown, the remainder black, 

 the former colour extending along the sides of the tail for some 

 distance towards the tip." 



(SkuU and teeth unknown.) 



Dimensions, S • " Head and body 580 millim. ; tail (c.) 390 ; 

 hind foot 133*; ear 47." 



Hah. " North coast of Australia." 



Type not traceable. 



The above description is taken from Gould's ' Mammals of Aus- 

 tralia,' as the typical specimen referred to by him, although originally 

 deposited in the Museum, was afterwards reclaimed by Mr. B. 



* Including claw. 



