RECORDS OF W.A. MUSEUM. 
Car: 
Fam, Macropodid^e. Sub-Fam. Macropodin^. 
Sthemmis, Owen (1873)1 . 
Sihenurus — Owen .. Proc, Royal Society XXI., No. 141, p. 128, 1873 
Owen .. Phil. Trans. Royal Society, p. 264, 1874 
Lydekker .. Catalogue Fossil Mammals, Brit. Mus. , N.H. 
vol. V., p. 231, 1887 
De Vis .. Proc. Linn. Society N.S. Wales, 2nd series, 
vol. X., p. 88, 1895 
Protemnodon {partim) — Owen .. Proc. Royal Society XXI., No. 141, 
p. 128, 1873 
Owen . . Phil. Trans. Roy, Soc., p. 274, 1874 
Procoptodon — Owen .. Proc. Roy. Soc. XXI.. No. 145, p. 387, 1873 
Owen .. Phil. Trans. Royal Society, p. 788, 1874 
hydekker Catalogue Fossil Mammals Brit. Mus., N.H. 
vol. V., p. 231, 1887 
This form being extinct, it has no vernacular name ; it belongs- 
to the kangaroo family. 
STHENURUS OCCIDENTALIS, Sp. Nov. 
Plate V. 
[Report originally prepared for the Caves Board on the specimens 
originally found by Mr. E, A. Le Souef, It was not printed, and has 
since been revised and extended.] 
The specimen about to be described consists of the right and' 
left horizontal rami, united in their natural position, with incisors,, 
premolars and molars all in place, and up in line. The hind 
lobe of the last molar, M4, showing traces of wear, the animal 
would be considered aged by Oldfield Thomas,^ and adult by 
C. W. De Vis.® The lower half of the right coronoid is present,, 
but of the left very little remains. 
It has been possible, however, to make the following, 
measurements : — 
Incisor. Length from base of enamel to the extremity of th& 
worn crown, 22mm. ; length of the cutting edge of crown, 13mm. ; 
thickness of crown, 6.5mm. ; vertical diameter at base of enamel,. 
1 1 mm. ; transverse diameter, 7mm. 
Diastema. Length from posterior base of enamel of incisor 
to anterior edge of socket of premolar, 22.5mm. 
1 Owen, Proc. Royal Soc. Lond. XXI., No. 141, p. 128, 1873. Owen, Phil. Trans. 
Royal Soc. Lond., p. 265, 1874. 
5 O. Thomas, Catalogue of Marsupialia and Monotremata in the Collection of 
the British Museum (N.H.), p. 7. 1888. 
» C. W. De Vis, Proc. Linn. Soc. N.S. Wales (and ser.), vol. X., p. 79, 1895. 
