A hand-book to the marsupialia and monotremata . s. Distribution.—Western Australia. This species has often been confounded with the last,which it resembles in general coloration and proportions, butfrom which it differs by its inferior dimensions, as well as bycertain well-marked characters of the skull and teeth. Ex-ternally it also resembles some of the species of Potorous^inhabiting the same districts, but it may always be distin-guished from them by its longer feet, larger and relativelyshorter and thicker head, more hairy ears, and by the grey,instead of rufous-tipped under-fur. THE ROCK
A hand-book to the marsupialia and monotremata . s. Distribution.—Western Australia. This species has often been confounded with the last,which it resembles in general coloration and proportions, butfrom which it differs by its inferior dimensions, as well as bycertain well-marked characters of the skull and teeth. Ex-ternally it also resembles some of the species of Potorous^inhabiting the same districts, but it may always be distin-guished from them by its longer feet, larger and relativelyshorter and thicker head, more hairy ears, and by the grey,instead of rufous-tipped under-fur. THE ROCK-WALLABIES. GENUS PETROGALE. Petrogalea, Gray, Mag. Nat. Hist., vol. i., p. 583 (1837). This genus includes six small species distinguished fromthe true Wallabies by the following characters. Region 01nose entirely naked; fur on back of neck directed downwards;central claws of hind feet very short, only slightly exceedingthe pads on the sole in length ; tail long, cylindrical, and thinnerthan in Macropus^ thickly haired and tufted at the <; i oo pw (—1< H 1 K CO pp THE ROCK-WALLABIES. 43 The Rock-Wallabies are confined to the mainland of Aus-tralia, on which they are generally distributed, but are un-known in Tasmania. Although closely allied to the trueWallabies, their habits are markedly distinct, the Rock-Walla-bies frequenting rugged rocky districts instead of the openplains. In such situations they leap and climb with remark-able agility, their long bushy tails being used solely to helpin balancing the body, and never being employed as an ad-ditional support. Consequently the tail has not the samestrength and thickness as in their plain-haunting cousins. I. BRUSH-TAILED ROCK-WALLABY. PETROGALE PENICILLATA. Kangurus penicillatus^ Gray, in Griffiths Animal Kingdom, vol. v., p. 204 (1827).Macropuspenicillatusy Bennett, Proc. Zool. Soc, 1835, p. penicillata^ Gray, Mag. Nat. Hist., vol. i., p. 583 (1837); Thomas, Cat. Marsup. Brit. Mus., p. 66 (1888).
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Keywords: ., bookauthorlydekker, bookcentury1800, bookdecade1890, bookyear1896
