38 HYPSIPRYMNODON. 



References. Thomas, B. M. Catal. p. 132 ; Gould, Mamm. 

 Austr. i. pi. v. 



Family V. MACROPODID^E. 



Progression generally saltatorial. Hind limbs much the longer. 

 Fore feet with fire digits ; hind feet syndactylous, the fourth toe 

 very large with a strong claw ; the fifth similar but smaller; the 

 second and third slender and united. Stomach sacculated. Coecum 

 present. Pouch large, opening forwards. 



Subfamily I. HYPSIPRYMNODONTIN^E. 



Size very small. Claws small, feeble, and subequal. Hcdlux 

 present, opposable. Tail naked and scaly. 



Genus I. HYPSIPRYMNODON, Eammy (1876). 



Form rat-like. Rhinarium wholly naked. Ears large, thin, 

 and naked. Limbs subequal, not saltatorial. Hind feet with a 

 long opposable clawless hallux ; fourth toe not disproportionately 

 larger than the others, the fifth and combined second and third 

 toes all well developed. Tail cylindrical, tapering, only the 

 extreme base hairy. 



Dentition. -I. fc C. i P. f!, M. Jf x 2 = 34. 



Habits. Terrestrial, and at least partially arboreal ; insecti- 

 vorous, frugivorous, and rhizophagous. 



1. HYPSIPRYMNODON MOSCHATUS, Ramsay (1876). 

 Australian Musk Rat. 



Fur close, crisp, and velvety. Ears rounded, naked except at 

 their bases behind, blackish, flesh-color. General color above and 

 below finely grizzled rusty orange-gray, the orange deepest on the 

 back. Fingers naked and scaly ; palms with five large transversely 

 ridged pads ; upper surface of fourth toe only hairy ; soles with 

 five transversely striated pads. Tail naked except on the proxi- 

 mal inch, scaly, black above, paler below. 



Dimensions. Head and body about ten inches ; tail about 

 six and a half inches. 



Habitat. Herbert River District, Queensland. 

 Type. In the Australian Museum, Sydney. 



References. Thomas, B.M. Catal. p. 123, pis. xiv. fig. 11 (fourth 

 premolar), xv. fig. 1 (hind foot); Ramsay, P.L.S. N.S.W. i. p. 34. 



