PROFESSOR OWEN ON THE EOSSIL MAMMALS OF AUSTRALIA. 
223 
But these, which my present materials have enabled me to define, may prove not to 
have been the only links connecting the saltigrade with the gravigrade groups of 
phytiphagous Marsupials. 
Description of the Plates. 
PLATE 19. 
Fig. 1. Portion of right mandibular ramus and teeth of Palorchestes Azoel , Ow. 
Fig. 2. Working-surface of the same teeth. 
Fig. 3. Hind fractured surface of the same fossil. 
Fig. 4. Inner side view of last lower molar of Palorchestes Azael. 
Fig. 5. Upper view of part of left mandibular ramus with teeth and stumps of the 
same species. 
Fig. 6. Outside view of the molar (m i) of left mandibular ramus of the same. 
Fig. 7. Inside view of the same molar. 
Fig. 8. Back view of the same molar. 
PLATE 20. 
Left side view of the fore part of the skull and teeth of Palorchestes Azael : the entire 
skull and dentition restored in outline. 
PLATE 21. 
Fig. 1. Haemal (under or front) view of the sacrum and first caudal vertebra of Palor- 
chestes Azael. 
Fig. 2. Eight side view of first caudal vertebra of the same. 
Fig. 3. Neural (upper or back) view of the same. 
PLATE 22. 
Fig. 1. Outer side view of part of right “ os innominatum ” of Palorchestes Azael. 
Fig. 2. Inner side view of the same. 
Fig. 3. Transverse section of ischium at 63 , fig. 1. 
Fig. 4. Transverse section of pubis at 64 , fig. 2. 
Fig. 5. Acetabulum of Procoptodon Goliah ('?). 
