EXTINCT KANGAROOS. oo) 
In this the largest species the estimated length of the 
skull is about twelve inches, while it is further characterised 
by the length of the last premolar considerably exceed- 
ing that of the first tooth of the molar series. The lower 
molars show a distinct posterior basal ledge, and the innermost 
pair of upper incisors are much larger than either of the 
others. 
Distribution —New South Wales and Queensland. 
VI. MACROPUS RECHUS. 
Protemnodon rechus, Owen, Phil. Trans., 1874, p. 281. 
Protemnodon anteus, Owen, Extinct Mamm. Australia, p. 448 
(1877). 
AMlacropus rechus, Lydekker, Cat. Foss. Mamm. Brit. Mus., pt. 
ap. 22 (1887): 
Closely allied to the last, of which, indeed, it may be only a 
variety distinguished by certain peculiarities in the lower teeth. 
Distribution.— Queensland. 
VII. MACROPUS ANAK, 
Macrofus anak, Owen, Proc. Geol. Soc., vol. xv., p. 185 
(1859) ; Lydekker, Cat. Foss. Mamm. Brit. Mus., pt. v., 
p. 214 (1887). 
Protemnodon anak, Owen (in parte), Phil. Trans., 1874, p. 275: 
Protemnodon og, Owen (of. cit.), p. 227 
Sthenurus atlas, Owen (in parte), op. cit., p. 265. 
Characters.—Closely allied to JZ. drehus, but generally of 
smaller size, and frequently without the posterior basal ridge to 
the last molar of the lower jaw. 
Distribution.—Queensland, South Australia, and New South 
Wales. 
2 s 
