EXPLANATION OF THE PLATES. 
In most cases the names of the objects figured, are added 
to the plates, but in some instances they were too numerous; 
these latter are all that it is necessary here to explain. 
Plate 2, Figs. 1 to 6. Parts of the Ornithorhynchus ; explained in 
detail at p. 39. 
Figs. 7—9. Parts of the Echidna, explained at p. 49. 
Plate 3, Fig. 1. Skull and teeth of the Wombat—see p. 214. 
Figs. 2—5. Skull and teeth of Macropu* Thetidis , and 
teeth of .Macropus giganteus *—see p. CL 
Plate 8. Skulls of species of Hypsiprjpnnus; the letters are ex¬ 
plained at p. 195. 
Plate 12. Fore and hind feet of various Marsupial animals: the 
fore feet are represented in the upper row, and the 
hind, in the lower. The inner toe of the hind foot 
is marked * in the figures. 
Fig. 1. Fore and hind feet of Dasyurus riverrinus. 
2. „ „ of Phascogale penicilla/a. 
3. ,, „ of Didelphys cancrivora . 
4. Hind foot of Phalangixta Cookii. 
5. Fore and hind feet of Hypsiprymnus penicillatus. 
6. „ „ of Perame/ex obesula. 
7 . ,, ,, of Phascolomys Wombat. 
Plate 19, Fig. I. Skull of Phalangista mlpina, viewed from 
beneath. 
Fig. Li. A molar tooth of the same, magnified. 
1 By mistake ** rigantua” on the Plate. 
