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PEOEESSOE OWEN ON THE FOSSIL MAMMALS OE AIJSTEALIA. 
PLATE 23. 
Fig. 1. Back view of proximal portion of right femur of Palorchestes Azael. 
Fig. 2. Back view of distal portion of the left femur of the same. 
Fig. 3. Back view of distal portion of right femur of Procoptodon Goliah. 
Fig. 4. Upper view of right calcaneum of the same. 
Fig. 5. Upper view of left calcaneum of Palorchestes Azael . 
PLATE 24. 
Fig. 1. Fibular (outer) side view of proximal portion of left tibia of Palorchestes 
Azael. 
Fig. 2. Kotular (front) view of the same. 
Fig. 3. Popliteal (back) view of the same. 
Fig. 4. Tibial (inner) side view of proximal end with epiphysis of the same. 
Fig. 5. Tibial (inner) proximal articular surface of the same. 
PLATE 25. 
Fig. 1. Left side view of cranium, with skull restored in outline, of Macropus Titan. 
Fig. 2. Left side view of fore part of cranium of a young Sthenurus Atlas. 
Fig. 3. Outside view of left upper third incisor of Sthenurus Atlas. 
Fig. 4. Outside view of crown of left upper third incisor of Macropus Titan. 
PLATE 26. 
Fig. 1. Under or base view of cranium, with skull restored in outline, of Macropus 
Titan. 
Fig. 2. Hind surface of last molar (m 3 ) of the same. 
Fig. 3. Hind surface of last molar of Macropus major. 
Fig. 4. Under view of fore part of right upper jaw and teeth of a young Sthenurus 
Atlas. 
PLATE 27. 
Fig. 1. Front view of right femur (omitting 2 inches of shaft) of Macropus Titan. 
Fig. 2. Back view of right femur (omitting 2 inches of shaft) of the same. 
Fig. 3. Inner view of proximal end of right femur of the same. 
Fig. 4. Outer view of distal end of right femur of the same. 
