50 MACEOPODIDa). 



(1778) ; Omel. Linn. S. N. i. p. 109 (1789) ; Ken; Linn. An. K. 



p. 197 (1792): Dmnd. Zool. Beytr. i. p. 354 (1792'); G. Ouv. 



Tabl. EUm. V- 126 (1798); -SJiaw, Gera. 2oo/. i. p. 480 (1800) ; 



Turtan, Linn. 8. N. i. p. 67 (1806) ; F. Cuv. Diet. iSci. Nat. xxiv. 



p. 348 (1822). 

 Didelphis bruinii, Zimm. Geogr. Oesch. ii. p. 230 (1780). 

 Didelphys aeiatica, Pall. N. Act. Petrop. for 1777, pt. ii. p. 228, 



pi. ix. figs. 4 & 5 (skull and foot-bones) (publ. 1780). 

 Javan Opossum, Penn. Quadr. ii. p. 305, pi. xxxv. (animal) (1781). 

 Didelphys javana, Bodd. Blench. Anim. i. p. 78 (1785). 

 Yerboa brunii-, Beehst. Syst. JJebers. Vierf. Thiers, ii. p. 345 (1800). 

 Kangurus philander, E. Geoff. Cat. Mm. p. 154 (1803) ; id. Diet. 



Class. d'H. N. ix. p. Ill (1826). 

 Kangurus brunii, Desm. N. Diet. d^H. N. xii. p. 358 (1803) ; Tiedem. 



Zool. i. p. 435 (1808) ; G. Fisch. Zoogn. iii. p. 19 (1814) ; Gray, 



Griff. Cuv. An. K. v. p, 204 (1827). 

 Halmaturus brunii, III. Prodr. Syst. Mamm. p. 80 (1811) ; Goldf. 



Isis, 1819, p. 269 ; Sehinz, Cm. Thien: i. p. 264 (1821) ; Kaiip, 



Thierr. i. p. 245 (1835) ; Jent. Cat. Ost. Leyd. Mus. p. 321 (1887). 

 Macropus brunii, G. Cuv. JR. A. i. p. 183 (1817) ; Schley. Ned. 



Tijdschr. Dierk. iii. p. 850 (1866) ; Garrod, P. Z. S. 1875, p. 49 et 



ee'qq. pi. ix. figs. 11-15 (teeth) ; Peters Sf Doria, Ann. Mus. Genov. 



xvi. p. 685 (1880). 

 Macropus bruinii, /. B. Fisch. Syn. Mamm. p. 283 (1829). 

 • Dorcopsis bruni, CHeb. BromUs Kl. u. Ord. Ti. Abth. v. pi. xx. 



figs. 8-10 (skull) (1874). 



Aku Island Waliaby. 



Size and form medium. Female markedly smaller than male. 

 Upper border of rhinarium -with only a single central prominence 

 downwards. Fur short, close and straight ; underfur almost entirely 

 absent. General colour uniform chocolate-brown. Head brown ; a 

 well-marked white whisker-mark from the mouth to beneath the 

 eye. Ears short, their backs black, contrasting with the general 

 brown colouri but the crown of the head between the ears sometimes 

 black as well. Whole of body uniform brown, becoming finely 

 grizzled with grey on the lower rump and hips. A well-marked 

 white hip-stripe present. Chin brown ; throat, chest, and belly 

 white, faintly tinged with brown. Arms, hands, legs, feet, and tail 

 grey or brown, more or less grizzled with white. 



SkvXi (PL VIII. fig. 4) stout and strongly built. Facial index 

 high for the present group. Muzzle broad and conical. Premaxillae 

 and nasals exactly as in M. wileooai in both shape and proportions. 

 Interorbital region as in M. stigmaticus. 



Teeth stout and heavy. Incisors as in M. coxeni, notch of i.' 

 close to the back. P.* large and broad, with, two external 

 vertical grooves, its internal ledge continued to the front. Molars 

 with their cusps low and blunt, and their main central connecting 

 ridges less developed than usual. 



