8. ^PYPEIMSTTS. 103 



Skull stout and strongly built, with a thick conical muzzle. 

 Nasals short and broad, expanded behind. Supraorbital edges 

 square, not forming postorbital processes. Anterior palatine 

 foramina very short and small, confined to the prem axillae, barely 

 extending backwards to the level of the canines. Posterior palate 

 comparatively perfect, either wholly without or with very small and 

 irregular palatal vacuities. BuUae unswoUen. Lower jaw short 

 and thick, very convex below. Coronoid process long and strong. 



nentition :-L l±l, C. J, P. "-^i^^, M. l.l:A:J^2 = M. 



Upper incisors short and thick: 1.^ round and i.' triangular 

 in section, the former scarcely smaller than the latter. Canines 

 present. P.* long, narrow, without any internal edge or postero- 

 internal talon, its outer and inner surfaces with about 7 or 8 

 vertical grooves. Molars (PI. XIII. fig. 5) oblong, more ridged and 

 less distinctly quadritubercular than in the other genera of the sub- 

 family, and their decrease in size backwards less strongly marked, 

 m.' being decidedly and m.^ very slightly smaller than m.', which 

 is still, however, distinctly larger than m.'' 



Mange. Eastern Australia. 



1. .ffipyprymnus mfescens. 



Bettongia rufescens, Oraif, Charlesw. Mag. N. S. i. p. 684 (1837) ; 



GouU, Mon. Macrop. pi. xiii. (animal) (1841) ; Gray, Grey's 



Austr., App. ii. p. 404 (1841) ; id. List Mamm. B. M. p. 94 



(1843) ; Gould, Mamm. Auatr. ii. pi. Ixv. (animal) (1855) ; 



Gerrard,Cat. Bones Mamm. B.M.^. 120 (1862); Krefft, Cat. 



Mamm. Austr. Mus. p. 46 (1864). 

 Hypsiprymnus melanotis, OgiJb. P. Z. S. 1838, p. 62 ; Waterh. Cat. 



Mamm. Mus. Zool. Soc. p. 65 (1838) ; Wagn, Schr. Sdug. Supp. 



iii. p. 100 (1843). 

 Hypsiprymnus rufescens, Waterh. Jard, Nat. Libr., Mamm. xi. 



p. 188 (1841) ; Schinz, 8yn. Mamm. i. p. 543 (1844) ; Waterh. 



N. ' H. Mamm. i. p. 196 (1846) ; Wagn. Schr. Sdug. Supp. v. 



p. 290 (1855) ; Gieb. Sdug. p. 687 (1859). 

 Macropus rufescens, Schleg. Dierk. p: 143 (1857) ;. id. Dierent. p. 171 



(1873). 

 .iEpyprymuus rufescens, Garrod, P. Z. 8. 1875, p. 69 ; Flmo. 4" Oars. 



Cat. Ost. Coll. Surg. ii. p. 727 (1884) ; Lyd. Cat. Foss. Mamm,., 



B. M. V. p. 206 (1887) ; Jent. Cat. Ost. Zeyd. Mus. p. 325 (1887). 



Rttfous Eai-Kanqaeoo. 



The largest of the Eat-Kangaroos. Rhinarium (PL XI. fig. 11) 

 with the hair forming two small pointed processes downwards,, 

 extending about halfway down the nasal septum, the extreme 

 edges of the nostrils naked. Tur long and coarse, of a peculiar 

 hispid texture ; underfur abundant. General colour rufescent 

 grey. Face pale grey, the coarser hairs with a, white subtorminal 

 band and a black tip. Ears rather long for the subfamily, hairy, 

 their backs black or dark brown. Back coarsely grizzled bright 



